treewide: Per RFC45, remove all unquoted URLs

author: Michael Reilly <OmnipotentEntity@gmail.com> 2020-03-31 21:11:51 -0400
committer: Jörg Thalheim <joerg@thalheim.io> 2020-04-10 17:54:53 +0100
commit: 84cf00f98031e93f389f1eb93c4a7374a33cc0a9 (patch)
tree: 203c51a8740cb4893b8cfc4426d4cd49a97430e0 /pkgs/development/libraries
parent: bf5eb87033cc6a5de5cc48da544c17a4dedc790b (diff)
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1315 files changed, 1460 insertions, 1460 deletions
diff --git a/pkgs/development/libraries/AntTweakBar/default.nix b/pkgs/development/libraries/AntTweakBar/default.nix
index 1ae6346cbe5..ab9440c3034 100644
--- a/pkgs/development/libraries/AntTweakBar/default.nix
+++ b/pkgs/development/libraries/AntTweakBar/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
       (compatibility and core profiles), DirectX 9, DirectX 10 or DirectX 11
       to interactively tweak parameters on-screen
     '';
-    homepage = http://anttweakbar.sourceforge.net/;
+    homepage = "http://anttweakbar.sourceforge.net/";
     license = stdenv.lib.licenses.zlib;
     maintainers = [ stdenv.lib.maintainers.razvan ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/CGAL/4.nix b/pkgs/development/libraries/CGAL/4.nix
index 60c244009ce..ad900744f54 100644
--- a/pkgs/development/libraries/CGAL/4.nix
+++ b/pkgs/development/libraries/CGAL/4.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Computational Geometry Algorithms Library";
-    homepage = http://cgal.org;
+    homepage = "http://cgal.org";
     license = with licenses; [ gpl3Plus lgpl3Plus];
     platforms = platforms.all;
     maintainers = [ maintainers.raskin ];
diff --git a/pkgs/development/libraries/CoinMP/default.nix b/pkgs/development/libraries/CoinMP/default.nix
index f251d2bed0c..7adb6e6437e 100644
--- a/pkgs/development/libraries/CoinMP/default.nix
+++ b/pkgs/development/libraries/CoinMP/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {
-    homepage = https://projects.coin-or.org/CoinMP/;
+    homepage = "https://projects.coin-or.org/CoinMP/";
     description = "COIN-OR lightweight API for COIN-OR libraries CLP, CBC, and CGL";
     platforms = platforms.unix;
     license = licenses.epl10;
diff --git a/pkgs/development/libraries/LASzip/default.nix b/pkgs/development/libraries/LASzip/default.nix
index 418900ddeeb..fb747dc9f33 100644
--- a/pkgs/development/libraries/LASzip/default.nix
+++ b/pkgs/development/libraries/LASzip/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Turn quickly bulky LAS files into compact LAZ files without information loss";
-    homepage = https://laszip.org;
+    homepage = "https://laszip.org";
     license = stdenv.lib.licenses.lgpl2;
     maintainers = [ stdenv.lib.maintainers.michelk ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/SDL2/default.nix b/pkgs/development/libraries/SDL2/default.nix
index d9ace4deddd..93d708e7d31 100644
--- a/pkgs/development/libraries/SDL2/default.nix
+++ b/pkgs/development/libraries/SDL2/default.nix
@@ -122,7 +122,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A cross-platform multimedia library";
-    homepage = http://www.libsdl.org/;
+    homepage = "http://www.libsdl.org/";
     license = licenses.zlib;
     platforms = platforms.all;
     maintainers = with maintainers; [ cpages ];
diff --git a/pkgs/development/libraries/SDL2_gfx/default.nix b/pkgs/development/libraries/SDL2_gfx/default.nix
index d57bb6cbc94..1ed56c6750f 100644
--- a/pkgs/development/libraries/SDL2_gfx/default.nix
+++ b/pkgs/development/libraries/SDL2_gfx/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
       code. Its is written in plain C and can be used in C++ code.
     '';
 
-    homepage = http://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/;
+    homepage = "http://www.ferzkopp.net/wordpress/2016/01/02/sdl_gfx-sdl2_gfx/";
     license = licenses.zlib;
     maintainers = with maintainers; [ cpages ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/SDL2_image/default.nix b/pkgs/development/libraries/SDL2_image/default.nix
index 326d9d66264..00de774ba6e 100644
--- a/pkgs/development/libraries/SDL2_image/default.nix
+++ b/pkgs/development/libraries/SDL2_image/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "SDL image library";
-    homepage = http://www.libsdl.org/projects/SDL_image/;
+    homepage = "http://www.libsdl.org/projects/SDL_image/";
     platforms = platforms.unix;
     license = licenses.zlib;
     maintainers = with maintainers; [ cpages ];
diff --git a/pkgs/development/libraries/SDL2_mixer/default.nix b/pkgs/development/libraries/SDL2_mixer/default.nix
index 58c76e3a3f5..4fa9df617a6 100644
--- a/pkgs/development/libraries/SDL2_mixer/default.nix
+++ b/pkgs/development/libraries/SDL2_mixer/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "SDL multi-channel audio mixer library";
     platforms = platforms.unix;
-    homepage = https://www.libsdl.org/projects/SDL_mixer/;
+    homepage = "https://www.libsdl.org/projects/SDL_mixer/";
     maintainers = with maintainers; [ MP2E ];
     license = licenses.zlib;
   };
diff --git a/pkgs/development/libraries/SDL2_net/default.nix b/pkgs/development/libraries/SDL2_net/default.nix
index 309102e70b5..0bec12cdb24 100644
--- a/pkgs/development/libraries/SDL2_net/default.nix
+++ b/pkgs/development/libraries/SDL2_net/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "SDL multiplatform networking library";
-    homepage = https://www.libsdl.org/projects/SDL_net;
+    homepage = "https://www.libsdl.org/projects/SDL_net";
     license = licenses.zlib;
     maintainers = with maintainers; [ MP2E ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/SDL2_ttf/default.nix b/pkgs/development/libraries/SDL2_ttf/default.nix
index 50e47bc1d36..571c953a81b 100644
--- a/pkgs/development/libraries/SDL2_ttf/default.nix
+++ b/pkgs/development/libraries/SDL2_ttf/default.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation rec {
     description = "SDL TrueType library";
     platforms = platforms.unix;
     license = licenses.zlib;
-    homepage = https://www.libsdl.org/projects/SDL_ttf/;
+    homepage = "https://www.libsdl.org/projects/SDL_ttf/";
   };
 }
diff --git a/pkgs/development/libraries/SDL_Pango/default.nix b/pkgs/development/libraries/SDL_Pango/default.nix
index e330ccef611..9340b9f7091 100644
--- a/pkgs/development/libraries/SDL_Pango/default.nix
+++ b/pkgs/development/libraries/SDL_Pango/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   patches = [ 
     (fetchpatch {
-      url = https://sources.debian.org/data/main/s/sdlpango/0.1.2-6/debian/patches/api_additions.patch;
+      url = "https://sources.debian.org/data/main/s/sdlpango/0.1.2-6/debian/patches/api_additions.patch";
       sha256 = "00p5ry5gd3ixm257p9i2c4jg0qj8ipk8nf56l7c9fma8id3zxyld";
     })
     ./fixes.patch
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     description = "Connects the Pango rendering engine to SDL";
     license = licenses.lgpl21Plus;
     platforms = platforms.all;
-    homepage = http://sdlpango.sourceforge.net/;
+    homepage = "http://sdlpango.sourceforge.net/";
     maintainers = with maintainers; [ puckipedia ];
   };
 }
diff --git a/pkgs/development/libraries/SDL_gfx/default.nix b/pkgs/development/libraries/SDL_gfx/default.nix
index 74a31d94687..3696e485ad7 100644
--- a/pkgs/development/libraries/SDL_gfx/default.nix
+++ b/pkgs/development/libraries/SDL_gfx/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
          code. Its is written in plain C and can be used in C++ code.
        '';
 
-    homepage = https://sourceforge.net/projects/sdlgfx/;
+    homepage = "https://sourceforge.net/projects/sdlgfx/";
     license = licenses.zlib;
 
     maintainers = with maintainers; [ bjg ];
diff --git a/pkgs/development/libraries/SDL_mixer/default.nix b/pkgs/development/libraries/SDL_mixer/default.nix
index 427439f496e..e52273052b5 100644
--- a/pkgs/development/libraries/SDL_mixer/default.nix
+++ b/pkgs/development/libraries/SDL_mixer/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "SDL multi-channel audio mixer library";
-    homepage    = http://www.libsdl.org/projects/SDL_mixer/;
+    homepage    = "http://www.libsdl.org/projects/SDL_mixer/";
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.unix;
     license     = licenses.zlib;
diff --git a/pkgs/development/libraries/SDL_net/default.nix b/pkgs/development/libraries/SDL_net/default.nix
index 6ac91a6d129..a24020da015 100644
--- a/pkgs/development/libraries/SDL_net/default.nix
+++ b/pkgs/development/libraries/SDL_net/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation rec {
     description = "SDL networking library";
     platforms = platforms.unix;
     license = licenses.zlib;
-    homepage = https://www.libsdl.org/projects/SDL_net/release-1.2.html;
+    homepage = "https://www.libsdl.org/projects/SDL_net/release-1.2.html";
   };
 }
diff --git a/pkgs/development/libraries/SDL_sixel/default.nix b/pkgs/development/libraries/SDL_sixel/default.nix
index 66fa8888fd1..8d37124d311 100644
--- a/pkgs/development/libraries/SDL_sixel/default.nix
+++ b/pkgs/development/libraries/SDL_sixel/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A cross-platform multimedia library, that supports sixel graphics on consoles";
-    homepage    = https://github.com/saitoha/SDL1.2-SIXEL;
+    homepage    = "https://github.com/saitoha/SDL1.2-SIXEL";
     maintainers = with maintainers; [ vrthra ];
     platforms   = platforms.linux;
     license     = licenses.lgpl21;
diff --git a/pkgs/development/libraries/SDL_sound/default.nix b/pkgs/development/libraries/SDL_sound/default.nix
index 94534ecd699..bdc97e98f34 100644
--- a/pkgs/development/libraries/SDL_sound/default.nix
+++ b/pkgs/development/libraries/SDL_sound/default.nix
@@ -17,6 +17,6 @@ stdenv.mkDerivation rec {
     description = "SDL sound library";
     platforms = platforms.unix;
     license = licenses.lgpl21;
-    homepage = https://www.icculus.org/SDL_sound/;
+    homepage = "https://www.icculus.org/SDL_sound/";
   };
 }
diff --git a/pkgs/development/libraries/SDL_stretch/default.nix b/pkgs/development/libraries/SDL_stretch/default.nix
index 9695d51ed89..1f068c9e976 100644
--- a/pkgs/development/libraries/SDL_stretch/default.nix
+++ b/pkgs/development/libraries/SDL_stretch/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
      description = "Stretch Functions For SDL";
-     homepage = http://sdl-stretch.sourceforge.net/;
+     homepage = "http://sdl-stretch.sourceforge.net/";
      license = licenses.lgpl2;
      platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/SDL_ttf/default.nix b/pkgs/development/libraries/SDL_ttf/default.nix
index 96b60b1061f..cd6355c9ce2 100644
--- a/pkgs/development/libraries/SDL_ttf/default.nix
+++ b/pkgs/development/libraries/SDL_ttf/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     description = "SDL TrueType library";
     license = licenses.zlib;
     platforms = platforms.all;
-    homepage = https://www.libsdl.org/projects/SDL_ttf/release-1.2.html;
+    homepage = "https://www.libsdl.org/projects/SDL_ttf/release-1.2.html";
     maintainers = with maintainers; [ abbradar ];
   };
 }
diff --git a/pkgs/development/libraries/Xaw3d/default.nix b/pkgs/development/libraries/Xaw3d/default.nix
index 3e496b7e981..d26a910638e 100644
--- a/pkgs/development/libraries/Xaw3d/default.nix
+++ b/pkgs/development/libraries/Xaw3d/default.nix
@@ -5,7 +5,7 @@
 stdenv.mkDerivation {
   name = "Xaw3d-1.6.3";
   src = fetchurl {
-    url = https://www.x.org/releases/individual/lib/libXaw3d-1.6.3.tar.bz2;
+    url = "https://www.x.org/releases/individual/lib/libXaw3d-1.6.3.tar.bz2";
     sha256 = "0i653s8g25cc0mimkwid9366bqkbyhdyjhckx7bw77j20hzrkfid";
   };
   dontUseImakeConfigure = true;
diff --git a/pkgs/development/libraries/a52dec/default.nix b/pkgs/development/libraries/a52dec/default.nix
index 5ff5e609723..8ed47b91e5d 100644
--- a/pkgs/development/libraries/a52dec/default.nix
+++ b/pkgs/development/libraries/a52dec/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "ATSC A/52 stream decoder";
-    homepage = http://liba52.sourceforge.net/;
+    homepage = "http://liba52.sourceforge.net/";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/aalib/default.nix b/pkgs/development/libraries/aalib/default.nix
index 8b1878b0cc3..94453264419 100644
--- a/pkgs/development/libraries/aalib/default.nix
+++ b/pkgs/development/libraries/aalib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "aalib-1.4rc5";
 
   src = fetchurl {
-    url = mirror://sourceforge/aa-project/aalib-1.4rc5.tar.gz;
+    url = "mirror://sourceforge/aa-project/aalib-1.4rc5.tar.gz";
     sha256 = "1vkh19gb76agvh4h87ysbrgy82hrw88lnsvhynjf4vng629dmpgv";
   };
 
diff --git a/pkgs/development/libraries/abseil-cpp/default.nix b/pkgs/development/libraries/abseil-cpp/default.nix
index bd896fb9c65..6b7739b322d 100644
--- a/pkgs/development/libraries/abseil-cpp/default.nix
+++ b/pkgs/development/libraries/abseil-cpp/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open-source collection of C++ code designed to augment the C++ standard library";
-    homepage = https://abseil.io/;
+    homepage = "https://abseil.io/";
     license = licenses.asl20;
     maintainers = [ maintainers.andersk ];
   };
diff --git a/pkgs/development/libraries/accounts-qt/default.nix b/pkgs/development/libraries/accounts-qt/default.nix
index bae7b56cb8e..b60d8d07385 100644
--- a/pkgs/development/libraries/accounts-qt/default.nix
+++ b/pkgs/development/libraries/accounts-qt/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt library for accessing the online accounts database";
-    homepage = https://gitlab.com/accounts-sso;
+    homepage = "https://gitlab.com/accounts-sso";
     license = licenses.lgpl21;
     platforms = with platforms; linux;
   };
diff --git a/pkgs/development/libraries/accountsservice/default.nix b/pkgs/development/libraries/accountsservice/default.nix
index eb48aca80ee..85b23de0c1c 100644
--- a/pkgs/development/libraries/accountsservice/default.nix
+++ b/pkgs/development/libraries/accountsservice/default.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "D-Bus interface for user account query and manipulation";
-    homepage = https://www.freedesktop.org/wiki/Software/AccountsService;
+    homepage = "https://www.freedesktop.org/wiki/Software/AccountsService";
     license = licenses.gpl3;
     maintainers = with maintainers; [ pSub ];
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/ace/default.nix b/pkgs/development/libraries/ace/default.nix
index ea352772b33..372cfbeffff 100644
--- a/pkgs/development/libraries/ace/default.nix
+++ b/pkgs/development/libraries/ace/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "ADAPTIVE Communication Environment";
-    homepage = http://www.dre.vanderbilt.edu/~schmidt/ACE.html;
+    homepage = "http://www.dre.vanderbilt.edu/~schmidt/ACE.html";
     license = licenses.doc;
     platforms = platforms.linux;
     maintainers = [ maintainers.nico202 ];
diff --git a/pkgs/development/libraries/adns/default.nix b/pkgs/development/libraries/adns/default.nix
index c9797b31eaa..2f468c7f4c1 100644
--- a/pkgs/development/libraries/adns/default.nix
+++ b/pkgs/development/libraries/adns/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.chiark.greenend.org.uk/~ian/adns/;
+    homepage = "http://www.chiark.greenend.org.uk/~ian/adns/";
     description = "Asynchronous DNS Resolver Library";
     license = stdenv.lib.licenses.lgpl2;
 
diff --git a/pkgs/development/libraries/afflib/default.nix b/pkgs/development/libraries/afflib/default.nix
index f0d87c81133..71651726261 100644
--- a/pkgs/development/libraries/afflib/default.nix
+++ b/pkgs/development/libraries/afflib/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ zlib curl expat fuse openssl python3 ];
 
   meta = {
-    homepage = http://afflib.sourceforge.net/;
+    homepage = "http://afflib.sourceforge.net/";
     description = "Advanced forensic format library";
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.bsdOriginal;
diff --git a/pkgs/development/libraries/agda/Agda-Sheaves/default.nix b/pkgs/development/libraries/agda/Agda-Sheaves/default.nix
index 62856157b4b..513b79e6393 100644
--- a/pkgs/development/libraries/agda/Agda-Sheaves/default.nix
+++ b/pkgs/development/libraries/agda/Agda-Sheaves/default.nix
@@ -14,7 +14,7 @@ agda.mkDerivation (self: rec {
   sourceDirectories = [];
 
   meta = {
-    homepage = https://github.com/jonsterling/Agda-Sheaves;
+    homepage = "https://github.com/jonsterling/Agda-Sheaves";
     description = "Sheaves in Agda";
     license = stdenv.lib.licenses.cc-by-40;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/TotalParserCombinators/default.nix b/pkgs/development/libraries/agda/TotalParserCombinators/default.nix
index 344da00d04f..97cceebc1b6 100644
--- a/pkgs/development/libraries/agda/TotalParserCombinators/default.nix
+++ b/pkgs/development/libraries/agda/TotalParserCombinators/default.nix
@@ -16,7 +16,7 @@ agda.mkDerivation (self: rec {
   topSourceDirectories = [ "../$sourceRoot" ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.cse.chalmers.se/~nad/publications/danielsson-parser-combinators.html;
+    homepage = "http://www.cse.chalmers.se/~nad/publications/danielsson-parser-combinators.html";
     description = "A monadic parser combinator library which guarantees termination of parsing";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/agda-base/default.nix b/pkgs/development/libraries/agda/agda-base/default.nix
index 1bc9d0cb882..678b3a28dc7 100644
--- a/pkgs/development/libraries/agda/agda-base/default.nix
+++ b/pkgs/development/libraries/agda/agda-base/default.nix
@@ -13,7 +13,7 @@ agda.mkDerivation (self: rec {
   everythingFile = "README.agda";
 
   meta = {
-    homepage = https://github.com/pcapriotti/agda-base;
+    homepage = "https://github.com/pcapriotti/agda-base";
     description = "Base library for HoTT in Agda";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/agda-iowa-stdlib/default.nix b/pkgs/development/libraries/agda/agda-iowa-stdlib/default.nix
index 30a03980e44..23013bfbc32 100644
--- a/pkgs/development/libraries/agda/agda-iowa-stdlib/default.nix
+++ b/pkgs/development/libraries/agda/agda-iowa-stdlib/default.nix
@@ -18,7 +18,7 @@ agda.mkDerivation (self: rec {
   '';
 
   meta = {
-    homepage = https://svn.divms.uiowa.edu/repos/clc/projects/agda/lib/;
+    homepage = "https://svn.divms.uiowa.edu/repos/clc/projects/agda/lib/";
     description = "Agda standard library developed at Iowa";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/agda-prelude/default.nix b/pkgs/development/libraries/agda/agda-prelude/default.nix
index bcdad18bede..86f21ad9b19 100644
--- a/pkgs/development/libraries/agda/agda-prelude/default.nix
+++ b/pkgs/development/libraries/agda/agda-prelude/default.nix
@@ -14,7 +14,7 @@ agda.mkDerivation (self: rec {
   everythingFile = "src/Prelude.agda";
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/UlfNorell/agda-prelude;
+    homepage = "https://github.com/UlfNorell/agda-prelude";
     description = "Programming library for Agda";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/agda-stdlib/default.nix b/pkgs/development/libraries/agda/agda-stdlib/default.nix
index 033ba67f661..6056173c311 100644
--- a/pkgs/development/libraries/agda/agda-stdlib/default.nix
+++ b/pkgs/development/libraries/agda/agda-stdlib/default.nix
@@ -19,7 +19,7 @@ agda.mkDerivation (self: rec {
   topSourceDirectories = [ "src" ];
 
   meta = with stdenv.lib; {
-    homepage = http://wiki.portal.chalmers.se/agda/pmwiki.php?n=Libraries.StandardLibrary;
+    homepage = "http://wiki.portal.chalmers.se/agda/pmwiki.php?n=Libraries.StandardLibrary";
     description = "A standard library for use with the Agda compiler";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/bitvector/default.nix b/pkgs/development/libraries/agda/bitvector/default.nix
index c09702c48d7..bf9798557b1 100644
--- a/pkgs/development/libraries/agda/bitvector/default.nix
+++ b/pkgs/development/libraries/agda/bitvector/default.nix
@@ -14,7 +14,7 @@ agda.mkDerivation (self: rec {
   sourceDirectories = [ "Data" ];
 
   meta = {
-    homepage = https://github.com/copumpkin/bitvector;
+    homepage = "https://github.com/copumpkin/bitvector";
     description = "Sequences of bits and common operations on them";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/categories/default.nix b/pkgs/development/libraries/agda/categories/default.nix
index a58afd7e866..fef01ee9be7 100644
--- a/pkgs/development/libraries/agda/categories/default.nix
+++ b/pkgs/development/libraries/agda/categories/default.nix
@@ -14,7 +14,7 @@ agda.mkDerivation (self: rec {
   sourceDirectories = [ "Categories" "Graphs" ];
 
   meta = {
-    homepage = https://github.com/copumpkin/categories;
+    homepage = "https://github.com/copumpkin/categories";
     description = "Categories parametrized by morphism equality, in Agda";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agda/pretty/default.nix b/pkgs/development/libraries/agda/pretty/default.nix
index ffae1f6f900..de4cfaa6637 100644
--- a/pkgs/development/libraries/agda/pretty/default.nix
+++ b/pkgs/development/libraries/agda/pretty/default.nix
@@ -16,7 +16,7 @@ agda.mkDerivation (self: rec {
   topSourceDirectories = [ "../$sourceRoot" ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.cse.chalmers.se/~nad/publications/danielsson-correct-pretty.html;
+    homepage = "http://www.cse.chalmers.se/~nad/publications/danielsson-correct-pretty.html";
     description = "Correct-by-Construction Pretty-Printing";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/agg/default.nix b/pkgs/development/libraries/agg/default.nix
index 69517817b59..d65ff369064 100644
--- a/pkgs/development/libraries/agg/default.nix
+++ b/pkgs/development/libraries/agg/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     '';
 
     license = stdenv.lib.licenses.gpl2Plus;
-    homepage = http://www.antigrain.com/;
+    homepage = "http://www.antigrain.com/";
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/allegro/5.nix b/pkgs/development/libraries/allegro/5.nix
index d2021e23b53..fd612170910 100644
--- a/pkgs/development/libraries/allegro/5.nix
+++ b/pkgs/development/libraries/allegro/5.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A game programming library";
-    homepage = https://liballeg.org/;
+    homepage = "https://liballeg.org/";
     license = licenses.zlib;
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/allegro/default.nix b/pkgs/development/libraries/allegro/default.nix
index 64488b25b09..963590d4faf 100644
--- a/pkgs/development/libraries/allegro/default.nix
+++ b/pkgs/development/libraries/allegro/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A game programming library";
-    homepage = https://liballeg.org/;
+    homepage = "https://liballeg.org/";
     license = licenses.free; # giftware
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/alure/default.nix b/pkgs/development/libraries/alure/default.nix
index a4f3b714e1c..59926f52b07 100644
--- a/pkgs/development/libraries/alure/default.nix
+++ b/pkgs/development/libraries/alure/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A utility library to help manage common tasks with OpenAL applications";
-    homepage = https://kcat.strangesoft.net/alure.html;
+    homepage = "https://kcat.strangesoft.net/alure.html";
     license = licenses.mit;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/amrnb/default.nix b/pkgs/development/libraries/amrnb/default.nix
index bfb72be24fe..aaee86c62ef 100644
--- a/pkgs/development/libraries/amrnb/default.nix
+++ b/pkgs/development/libraries/amrnb/default.nix
@@ -3,12 +3,12 @@
 stdenv.mkDerivation {
   name = "amrnb-11.0.0.0";
   srcAmr = fetchurl {
-    url = http://www.3gpp.org/ftp/Specs/latest/Rel-11/26_series/26104-b00.zip;
+    url = "http://www.3gpp.org/ftp/Specs/latest/Rel-11/26_series/26104-b00.zip";
     sha256 = "1wf8ih0hk7w20vdlnw7jb7w73v15hbxgbvmq4wq7h2ghn0j8ppr3";
   };
 
   src = fetchurl {
-    url = http://www.penguin.cz/~utx/ftp/amr/amrnb-11.0.0.0.tar.bz2;
+    url = "http://www.penguin.cz/~utx/ftp/amr/amrnb-11.0.0.0.tar.bz2";
     sha256 = "1qgiw02n2a6r32pimnd97v2jkvnw449xrqmaxiivjy2jcr5h141q";
   };
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.penguin.cz/~utx/amr;
+    homepage = "http://www.penguin.cz/~utx/amr";
     description = "AMR Narrow-Band Codec";
     # The wrapper code is free, but not the libraries from 3gpp.
     # It's a source code reference implementation with patents and licenses on
diff --git a/pkgs/development/libraries/amrwb/default.nix b/pkgs/development/libraries/amrwb/default.nix
index 7525b3baab0..e6581d54911 100644
--- a/pkgs/development/libraries/amrwb/default.nix
+++ b/pkgs/development/libraries/amrwb/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "11.0.0.0";
 
   srcAmr = fetchurl {
-    url = http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-b00.zip;
+    url = "http://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-b00.zip";
     sha256 = "1v4zhs6f1mf1xkrzhljh05890in0rpr5d5pcak9h4igxhd2c91f8";
   };
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://www.penguin.cz/~utx/amr;
+    homepage = "http://www.penguin.cz/~utx/amr";
     description = "AMR Wide-Band Codec";
     # The wrapper code is free, but not the libraries from 3gpp.
     # It's a source code reference implementation with patents and licenses on
diff --git a/pkgs/development/libraries/amtk/default.nix b/pkgs/development/libraries/amtk/default.nix
index bbb7e98f661..48b23079596 100644
--- a/pkgs/development/libraries/amtk/default.nix
+++ b/pkgs/development/libraries/amtk/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation {
   passthru.updateScript = gnome3.updateScript { packageName = pname; };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Amtk;
+    homepage = "https://wiki.gnome.org/Projects/Amtk";
     description = "Actions, Menus and Toolbars Kit for GTK applications";
     maintainers = [ maintainers.manveru ];
     license = licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/apache-activemq/default.nix b/pkgs/development/libraries/apache-activemq/default.nix
index 9fc11555b69..b2323d62dfc 100644
--- a/pkgs/development/libraries/apache-activemq/default.nix
+++ b/pkgs/development/libraries/apache-activemq/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://activemq.apache.org/;
+    homepage = "http://activemq.apache.org/";
     description = "Messaging and Integration Patterns server written in Java";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/appstream-glib/default.nix b/pkgs/development/libraries/appstream-glib/default.nix
index 4b803554e66..ceb4c238a7b 100644
--- a/pkgs/development/libraries/appstream-glib/default.nix
+++ b/pkgs/development/libraries/appstream-glib/default.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Objects and helper methods to read and write AppStream metadata";
-    homepage = https://people.freedesktop.org/~hughsient/appstream-glib/;
+    homepage = "https://people.freedesktop.org/~hughsient/appstream-glib/";
     license = licenses.lgpl2Plus;
     platforms = platforms.unix;
     maintainers = with maintainers; [ lethalman matthewbauer ];
diff --git a/pkgs/development/libraries/appstream/default.nix b/pkgs/development/libraries/appstream/default.nix
index 62d72844386..bffd281d0de 100644
--- a/pkgs/development/libraries/appstream/default.nix
+++ b/pkgs/development/libraries/appstream/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Software metadata handling library";
-    homepage    = https://www.freedesktop.org/wiki/Distributions/AppStream/;
+    homepage    = "https://www.freedesktop.org/wiki/Distributions/AppStream/";
     longDescription = ''
       AppStream is a cross-distro effort for building Software-Center applications
       and enhancing metadata provided by software components.  It provides
diff --git a/pkgs/development/libraries/apr-util/default.nix b/pkgs/development/libraries/apr-util/default.nix
index 87563d6a9cb..ba12e2d0385 100644
--- a/pkgs/development/libraries/apr-util/default.nix
+++ b/pkgs/development/libraries/apr-util/default.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://apr.apache.org/;
+    homepage = "http://apr.apache.org/";
     description = "A companion library to APR, the Apache Portable Runtime";
     maintainers = [ maintainers.eelco ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/apr/default.nix b/pkgs/development/libraries/apr/default.nix
index 2ce4b77927f..ce33c0534fa 100644
--- a/pkgs/development/libraries/apr/default.nix
+++ b/pkgs/development/libraries/apr/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://apr.apache.org/;
+    homepage = "http://apr.apache.org/";
     description = "The Apache Portable Runtime library";
     platforms = platforms.all;
     license = licenses.asl20;
diff --git a/pkgs/development/libraries/aqbanking/default.nix b/pkgs/development/libraries/aqbanking/default.nix
index 82d11cdc3a4..c206630b57b 100644
--- a/pkgs/development/libraries/aqbanking/default.nix
+++ b/pkgs/development/libraries/aqbanking/default.nix
@@ -29,7 +29,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An interface to banking tasks, file formats and country information";
-    homepage = http://www2.aquamaniac.de/sites/download/packages.php?package=03&showall=1;
+    homepage = "http://www2.aquamaniac.de/sites/download/packages.php?package=03&showall=1";
     hydraPlatforms = [];
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ goibhniu ];
diff --git a/pkgs/development/libraries/aqbanking/gwenhywfar.nix b/pkgs/development/libraries/aqbanking/gwenhywfar.nix
index ee1fffdacdd..4c5192574d8 100644
--- a/pkgs/development/libraries/aqbanking/gwenhywfar.nix
+++ b/pkgs/development/libraries/aqbanking/gwenhywfar.nix
@@ -59,7 +59,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "OS abstraction functions used by aqbanking and related tools";
-    homepage = http://www2.aquamaniac.de/sites/download/packages.php?package=01&showall=1;
+    homepage = "http://www2.aquamaniac.de/sites/download/packages.php?package=01&showall=1";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/asio/generic.nix b/pkgs/development/libraries/asio/generic.nix
index b8d166507a9..f1ea8a08418 100644
--- a/pkgs/development/libraries/asio/generic.nix
+++ b/pkgs/development/libraries/asio/generic.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   buildInputs = [ openssl ];
 
   meta = {
-    homepage = http://asio.sourceforge.net/;
+    homepage = "http://asio.sourceforge.net/";
     description = "Cross-platform C++ library for network and low-level I/O programming";
     license = licenses.boost;
     broken = stdenv.isDarwin;  # test when updating to >=1.12.1
diff --git a/pkgs/development/libraries/aspell/default.nix b/pkgs/development/libraries/aspell/default.nix
index 2dcf80ec30d..19ee39a3b9e 100644
--- a/pkgs/development/libraries/aspell/default.nix
+++ b/pkgs/development/libraries/aspell/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Spell checker for many languages";
-    homepage = http://aspell.net/;
+    homepage = "http://aspell.net/";
     license = stdenv.lib.licenses.lgpl2Plus;
     maintainers = [ ];
     platforms = with stdenv.lib.platforms; all;
diff --git a/pkgs/development/libraries/aspell/dictionaries.nix b/pkgs/development/libraries/aspell/dictionaries.nix
index 05a1c95c81f..1d7b7a6f98b 100644
--- a/pkgs/development/libraries/aspell/dictionaries.nix
+++ b/pkgs/development/libraries/aspell/dictionaries.nix
@@ -899,7 +899,7 @@ in rec {
     fullName = "English Computer Jargon";
 
     src = fetchurl {
-      url = https://mrsatterly.com/computer.dic;
+      url = "https://mrsatterly.com/computer.dic";
       sha256 = "1vzk7cdvcm9r1c6mgxpabrdcpvghdv9mjmnf6iq5wllcif5nsw2b";
     };
 
@@ -909,7 +909,7 @@ in rec {
     installPhase = "aspell-install en-computers";
 
     meta = {
-      homepage = https://mrsatterly.com/spelling.html;
+      homepage = "https://mrsatterly.com/spelling.html";
     };
   };
 
@@ -918,12 +918,12 @@ in rec {
     fullName = "English Scientific Jargon";
 
     src1 = fetchurl {
-      url = http://jpetrie.net/wp-content/uploads/custom_scientific_US.txt;
+      url = "http://jpetrie.net/wp-content/uploads/custom_scientific_US.txt";
       sha256 = "1nf4py2mg0mlv9s5a7had2wn29z2v6bcca0fs6rbpdn4nqc4s7dm";
     };
 
     src2 = fetchurl {
-      url = http://jpetrie.net/wp-content/uploads/custom_scientific_UK.txt;
+      url = "http://jpetrie.net/wp-content/uploads/custom_scientific_UK.txt";
       sha256 = "0f88il1ds6qazy1ghxviqcwsywrbf6pzl2lmzf4f3qvhdfb6f1y0";
     };
 
@@ -936,7 +936,7 @@ in rec {
     installPhase = "aspell-install en_US-science en_GB-science";
 
     meta = {
-      homepage = http://www.jpetrie.net/scientific-word-list-for-spell-checkersspelling-dictionaries/;
+      homepage = "http://www.jpetrie.net/scientific-word-list-for-spell-checkersspelling-dictionaries/";
     };
 
   };
diff --git a/pkgs/development/libraries/assimp/default.nix b/pkgs/development/libraries/assimp/default.nix
index ca332026982..a6f27f4476b 100644
--- a/pkgs/development/libraries/assimp/default.nix
+++ b/pkgs/development/libraries/assimp/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to import various 3D model formats";
-    homepage = http://assimp.sourceforge.net/;
+    homepage = "http://assimp.sourceforge.net/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ ehmry ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/at-spi2-core/default.nix b/pkgs/development/libraries/at-spi2-core/default.nix
index 93e06e8be70..fa7dd13b84f 100644
--- a/pkgs/development/libraries/at-spi2-core/default.nix
+++ b/pkgs/development/libraries/at-spi2-core/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Assistive Technology Service Provider Interface protocol definitions and daemon for D-Bus";
-    homepage = https://gitlab.gnome.org/GNOME/at-spi2-core;
+    homepage = "https://gitlab.gnome.org/GNOME/at-spi2-core";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/atk/default.nix b/pkgs/development/libraries/atk/default.nix
index 10009c26d82..400ddd51259 100644
--- a/pkgs/development/libraries/atk/default.nix
+++ b/pkgs/development/libraries/atk/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
       control running applications.
     '';
 
-    homepage = http://library.gnome.org/devel/atk/;
+    homepage = "http://library.gnome.org/devel/atk/";
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/atkmm/default.nix b/pkgs/development/libraries/atkmm/default.nix
index 5338aa683a7..cc45dc5a8d8 100644
--- a/pkgs/development/libraries/atkmm/default.nix
+++ b/pkgs/development/libraries/atkmm/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "C++ wrappers for ATK accessibility toolkit";
     license = stdenv.lib.licenses.lgpl21Plus;
-    homepage = https://gtkmm.org;
+    homepage = "https://gtkmm.org";
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/aubio/default.nix b/pkgs/development/libraries/aubio/default.nix
index db5ecf3b016..bd1d86520c0 100644
--- a/pkgs/development/libraries/aubio/default.nix
+++ b/pkgs/development/libraries/aubio/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for audio labelling";
-    homepage = https://aubio.org/;
+    homepage = "https://aubio.org/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ goibhniu marcweber fpletz ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/audio/jamomacore/default.nix b/pkgs/development/libraries/audio/jamomacore/default.nix
index 02409d6ace0..7c9b3ef67c9 100644
--- a/pkgs/development/libraries/audio/jamomacore/default.nix
+++ b/pkgs/development/libraries/audio/jamomacore/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A C++ platform for building dynamic and reflexive systems with an emphasis on audio and media";
-    homepage = http://www.jamoma.org;
+    homepage = "http://www.jamoma.org";
     license = stdenv.lib.licenses.bsd3;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/audio/libbass/default.nix b/pkgs/development/libraries/audio/libbass/default.nix
index 0165e8ea0d3..84fa46eed27 100644
--- a/pkgs/development/libraries/audio/libbass/default.nix
+++ b/pkgs/development/libraries/audio/libbass/default.nix
@@ -57,7 +57,7 @@ let
 
     meta = with stdenv.lib; {
       description = "Shareware audio library";
-      homepage = https://www.un4seen.com/;
+      homepage = "https://www.un4seen.com/";
       license = licenses.unfreeRedistributable;
       platforms = builtins.attrNames bass.so;
     };
diff --git a/pkgs/development/libraries/audio/libbs2b/default.nix b/pkgs/development/libraries/audio/libbs2b/default.nix
index 2fde40327e9..bc98dab4ab6 100644
--- a/pkgs/development/libraries/audio/libbs2b/default.nix
+++ b/pkgs/development/libraries/audio/libbs2b/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   meta = {
-    homepage = http://bs2b.sourceforge.net/;
+    homepage = "http://bs2b.sourceforge.net/";
     description = "Bauer stereophonic-to-binaural DSP library";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/audio/libmysofa/default.nix b/pkgs/development/libraries/audio/libmysofa/default.nix
index a5cbb079475..df0eecfd0be 100644
--- a/pkgs/development/libraries/audio/libmysofa/default.nix
+++ b/pkgs/development/libraries/audio/libmysofa/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Reader for AES SOFA files to get better HRTFs";
-    homepage = https://github.com/hoene/libmysofa;
+    homepage = "https://github.com/hoene/libmysofa";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ jfrankenau ];
diff --git a/pkgs/development/libraries/audio/libsmf/default.nix b/pkgs/development/libraries/audio/libsmf/default.nix
index 1c5a5302d71..d521b7e76ab 100644
--- a/pkgs/development/libraries/audio/libsmf/default.nix
+++ b/pkgs/development/libraries/audio/libsmf/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C library for reading and writing Standard MIDI Files";
-    homepage = https://github.com/stump/libsmf;
+    homepage = "https://github.com/stump/libsmf";
     license = licenses.bsd2;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/audio/lilv/default.nix b/pkgs/development/libraries/audio/lilv/default.nix
index 233b93d6782..831cd8c2054 100644
--- a/pkgs/development/libraries/audio/lilv/default.nix
+++ b/pkgs/development/libraries/audio/lilv/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ lv2 ];
 
   meta = with stdenv.lib; {
-    homepage = http://drobilla.net/software/lilv;
+    homepage = "http://drobilla.net/software/lilv";
     description = "A C library to make the use of LV2 plugins";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/audio/lv2/default.nix b/pkgs/development/libraries/audio/lv2/default.nix
index 0f86cd76e2a..ec8c4b81dd1 100644
--- a/pkgs/development/libraries/audio/lv2/default.nix
+++ b/pkgs/development/libraries/audio/lv2/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gtk2 libsndfile python3 ];
 
   meta = with stdenv.lib; {
-    homepage = http://lv2plug.in;
+    homepage = "http://lv2plug.in";
     description = "A plugin standard for audio systems";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/audio/lvtk/default.nix b/pkgs/development/libraries/audio/lvtk/default.nix
index 826c36db1a6..d4a0f671e8f 100644
--- a/pkgs/development/libraries/audio/lvtk/default.nix
+++ b/pkgs/development/libraries/audio/lvtk/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A set C++ wrappers around the LV2 C API";
-    homepage = http://lvtoolkit.org;
+    homepage = "http://lvtoolkit.org";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/audio/ntk/default.nix b/pkgs/development/libraries/audio/ntk/default.nix
index c4c931ecade..f039e574d54 100644
--- a/pkgs/development/libraries/audio/ntk/default.nix
+++ b/pkgs/development/libraries/audio/ntk/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Fork of FLTK 1.3.0 with additional functionality";
     version = version;
-    homepage = http://non.tuxfamily.org/;
+    homepage = "http://non.tuxfamily.org/";
     license = stdenv.lib.licenses.lgpl21;
     maintainers = with stdenv.lib.maintainers; [ magnetophon nico202 ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/audio/raul/default.nix b/pkgs/development/libraries/audio/raul/default.nix
index de78385e0ab..8acd6d3c666 100644
--- a/pkgs/development/libraries/audio/raul/default.nix
+++ b/pkgs/development/libraries/audio/raul/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C++ utility library primarily aimed at audio/musical applications";
-    homepage = http://drobilla.net/software/raul;
+    homepage = "http://drobilla.net/software/raul";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/audio/rtaudio/default.nix b/pkgs/development/libraries/audio/rtaudio/default.nix
index fc14236fe24..53efa598079 100644
--- a/pkgs/development/libraries/audio/rtaudio/default.nix
+++ b/pkgs/development/libraries/audio/rtaudio/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A set of C++ classes that provide a cross platform API for realtime audio input/output";
-    homepage =  http://www.music.mcgill.ca/~gary/rtaudio/;
+    homepage =  "http://www.music.mcgill.ca/~gary/rtaudio/";
     license = licenses.mit;
     maintainers = [ maintainers.magnetophon ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/audio/rtmidi/default.nix b/pkgs/development/libraries/audio/rtmidi/default.nix
index 16527a763c9..d30b1ce6c64 100644
--- a/pkgs/development/libraries/audio/rtmidi/default.nix
+++ b/pkgs/development/libraries/audio/rtmidi/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A set of C++ classes that provide a cross platform API for realtime MIDI input/output";
-    homepage =  http://www.music.mcgill.ca/~gary/rtmidi/;
+    homepage =  "http://www.music.mcgill.ca/~gary/rtmidi/";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/audio/sratom/default.nix b/pkgs/development/libraries/audio/sratom/default.nix
index 840b50d788f..cec50290d09 100644
--- a/pkgs/development/libraries/audio/sratom/default.nix
+++ b/pkgs/development/libraries/audio/sratom/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ lv2 serd sord ];
 
   meta = with stdenv.lib; {
-    homepage = http://drobilla.net/software/sratom;
+    homepage = "http://drobilla.net/software/sratom";
     description = "A library for serialising LV2 atoms to/from RDF";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/audio/suil/default.nix b/pkgs/development/libraries/audio/suil/default.nix
index 8bd460ce545..c2496840b7d 100644
--- a/pkgs/development/libraries/audio/suil/default.nix
+++ b/pkgs/development/libraries/audio/suil/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     ++ (lib.optionals withQt5 (with qt5; [ qtbase qttools ]));
 
   meta = with stdenv.lib; {
-    homepage = http://drobilla.net/software/suil;
+    homepage = "http://drobilla.net/software/suil";
     description = "A lightweight C library for loading and wrapping LV2 plugin UIs";
     license = licenses.mit;
     maintainers = with maintainers; [ goibhniu ];
diff --git a/pkgs/development/libraries/audio/vamp-plugin-sdk/default.nix b/pkgs/development/libraries/audio/vamp-plugin-sdk/default.nix
index 559642e7485..f980d42cd7d 100644
--- a/pkgs/development/libraries/audio/vamp-plugin-sdk/default.nix
+++ b/pkgs/development/libraries/audio/vamp-plugin-sdk/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Audio processing plugin system for plugins that extract descriptive information from audio data";
-    homepage = https://vamp-plugins.org/;
+    homepage = "https://vamp-plugins.org/";
     license = licenses.bsd3;
     maintainers = [ maintainers.goibhniu maintainers.marcweber ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix b/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
index debe7d56f7b..c819f355e0b 100644
--- a/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
+++ b/pkgs/development/libraries/audio/zita-alsa-pcmi/default.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "The successor of clalsadrv, provides easy access to ALSA PCM devices";
     version = version;
-    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html;
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
     license = stdenv.lib.licenses.gpl3;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/audio/zita-convolver/default.nix b/pkgs/development/libraries/audio/zita-convolver/default.nix
index 93bd18abaae..2b7d89b30a1 100644
--- a/pkgs/development/libraries/audio/zita-convolver/default.nix
+++ b/pkgs/development/libraries/audio/zita-convolver/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Convolution library by Fons Adriaensen";
     version = version;
-    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html;
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/audio/zita-resampler/default.nix b/pkgs/development/libraries/audio/zita-resampler/default.nix
index b0b0186af88..2881e566218 100644
--- a/pkgs/development/libraries/audio/zita-resampler/default.nix
+++ b/pkgs/development/libraries/audio/zita-resampler/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Resample library by Fons Adriaensen";
     version = version;
-    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html;
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.magnetophon ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/audiofile/default.nix b/pkgs/development/libraries/audiofile/default.nix
index 680b585643b..46c29e2fa12 100644
--- a/pkgs/development/libraries/audiofile/default.nix
+++ b/pkgs/development/libraries/audiofile/default.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for reading and writing audio files in various formats";
-    homepage    = http://www.68k.org/~michael/audiofile/;
+    homepage    = "http://www.68k.org/~michael/audiofile/";
     license     = licenses.lgpl21Plus;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/avahi/default.nix b/pkgs/development/libraries/avahi/default.nix
index babfd6849a8..4c7e5321f55 100644
--- a/pkgs/development/libraries/avahi/default.nix
+++ b/pkgs/development/libraries/avahi/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     ./no-mkdir-localstatedir.patch
     (fetchpatch {
       name ="CVE-2017-6519-CVE-2018-100084.patch";
-      url = https://github.com/lathiat/avahi/commit/e111def44a7df4624a4aa3f85fe98054bffb6b4f.patch;
+      url = "https://github.com/lathiat/avahi/commit/e111def44a7df4624a4aa3f85fe98054bffb6b4f.patch";
       sha256 = "06n7b7kz6xcc35c7xjfc1kj3k2llyjgi09nhy0ci32l1bhacjw0q";
     })
   ];
@@ -70,7 +70,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "mDNS/DNS-SD implementation";
-    homepage    = http://avahi.org;
+    homepage    = "http://avahi.org";
     license     = licenses.lgpl2Plus;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ lovek323 globin ];
diff --git a/pkgs/development/libraries/avro-c++/default.nix b/pkgs/development/libraries/avro-c++/default.nix
index a2fdb66d7e9..3e7bc67d25b 100644
--- a/pkgs/development/libraries/avro-c++/default.nix
+++ b/pkgs/development/libraries/avro-c++/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A C++ library which implements parts of the Avro Specification";
-    homepage = https://avro.apache.org/;
+    homepage = "https://avro.apache.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ rasendubi ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index 5d7dedd0e07..d96930f37f2 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -23,7 +23,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A C library which implements parts of the Avro Specification";
-    homepage = https://avro.apache.org/;
+    homepage = "https://avro.apache.org/";
     license = licenses.asl20;
     maintainers = with maintainers; [ lblasc ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/aws-c-common/default.nix b/pkgs/development/libraries/aws-c-common/default.nix
index b10797d3d56..b028813558f 100644
--- a/pkgs/development/libraries/aws-c-common/default.nix
+++ b/pkgs/development/libraries/aws-c-common/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "AWS SDK for C common core";
-    homepage = https://github.com/awslabs/aws-c-common;
+    homepage = "https://github.com/awslabs/aws-c-common";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej eelco ];
diff --git a/pkgs/development/libraries/aws-c-event-stream/default.nix b/pkgs/development/libraries/aws-c-event-stream/default.nix
index cc26c29c9d1..ca3203e3a6a 100644
--- a/pkgs/development/libraries/aws-c-event-stream/default.nix
+++ b/pkgs/development/libraries/aws-c-event-stream/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "C99 implementation of the vnd.amazon.eventstream content-type";
-    homepage = https://github.com/awslabs/aws-c-event-stream;
+    homepage = "https://github.com/awslabs/aws-c-event-stream";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej eelco ];
diff --git a/pkgs/development/libraries/aws-checksums/default.nix b/pkgs/development/libraries/aws-checksums/default.nix
index 886383bf961..de664af86e4 100644
--- a/pkgs/development/libraries/aws-checksums/default.nix
+++ b/pkgs/development/libraries/aws-checksums/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "HW accelerated CRC32c and CRC32";
-    homepage = https://github.com/awslabs/aws-checksums;
+    homepage = "https://github.com/awslabs/aws-checksums";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej eelco ];
diff --git a/pkgs/development/libraries/aws-sdk-cpp/default.nix b/pkgs/development/libraries/aws-sdk-cpp/default.nix
index 8024f310951..f6878cd9396 100644
--- a/pkgs/development/libraries/aws-sdk-cpp/default.nix
+++ b/pkgs/development/libraries/aws-sdk-cpp/default.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "A C++ interface for Amazon Web Services";
-    homepage = https://github.com/awslabs/aws-sdk-cpp;
+    homepage = "https://github.com/awslabs/aws-sdk-cpp";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ eelco orivej ];
diff --git a/pkgs/development/libraries/babl/default.nix b/pkgs/development/libraries/babl/default.nix
index 5a579a0505b..dbf7afd596f 100644
--- a/pkgs/development/libraries/babl/default.nix
+++ b/pkgs/development/libraries/babl/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Image pixel format conversion library";
-    homepage = http://gegl.org/babl/;
+    homepage = "http://gegl.org/babl/";
     license = licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/bamf/default.nix b/pkgs/development/libraries/bamf/default.nix
index 60322f53016..d8041304856 100644
--- a/pkgs/development/libraries/bamf/default.nix
+++ b/pkgs/development/libraries/bamf/default.nix
@@ -96,7 +96,7 @@ stdenv.mkDerivation rec {
       Removes the headache of applications matching
       into a simple DBus daemon and c wrapper library.
     '';
-    homepage = https://launchpad.net/bamf;
+    homepage = "https://launchpad.net/bamf";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ davidak ] ++ pantheon.maintainers;
diff --git a/pkgs/development/libraries/beecrypt/default.nix b/pkgs/development/libraries/beecrypt/default.nix
index d7d6ef54516..2433edbfe8f 100644
--- a/pkgs/development/libraries/beecrypt/default.nix
+++ b/pkgs/development/libraries/beecrypt/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "beecrypt-4.2.1";
   src = fetchurl {
-    url = mirror://sourceforge/beecrypt/beecrypt-4.2.1.tar.gz;
+    url = "mirror://sourceforge/beecrypt/beecrypt-4.2.1.tar.gz";
     sha256 = "0pf5k1c4nsj77jfq5ip0ra1gzx2q47xaa0s008fnn6hd11b1yvr8";
   };
   buildInputs = [ m4 ];
diff --git a/pkgs/development/libraries/beignet/default.nix b/pkgs/development/libraries/beignet/default.nix
index af0053519e3..89ef702f4e5 100644
--- a/pkgs/development/libraries/beignet/default.nix
+++ b/pkgs/development/libraries/beignet/default.nix
@@ -101,7 +101,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://cgit.freedesktop.org/beignet/;
+    homepage = "https://cgit.freedesktop.org/beignet/";
     description = "OpenCL Library for Intel Ivy Bridge and newer GPUs";
     longDescription = ''
       The package provides an open source implementation of the OpenCL specification for Intel GPUs.
diff --git a/pkgs/development/libraries/biblesync/default.nix b/pkgs/development/libraries/biblesync/default.nix
index 16be4600ec6..bc62f6d47ad 100644
--- a/pkgs/development/libraries/biblesync/default.nix
+++ b/pkgs/development/libraries/biblesync/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec{
   buildInputs = [ cmake libuuid ];
 
   meta = {
-    homepage = http://www.crosswire.org/wiki/BibleSync;
+    homepage = "http://www.crosswire.org/wiki/BibleSync";
     description = "A multicast protocol to Bible software shared conavigation";
     longDescription = ''
       BibleSync is a multicast protocol to support Bible software
diff --git a/pkgs/development/libraries/bobcat/default.nix b/pkgs/development/libraries/bobcat/default.nix
index c7520c89ef5..17f7bbc667c 100644
--- a/pkgs/development/libraries/bobcat/default.nix
+++ b/pkgs/development/libraries/bobcat/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Brokken's Own Base Classes And Templates";
-    homepage = https://fbb-git.github.io/bobcat/;
+    homepage = "https://fbb-git.github.io/bobcat/";
     license = licenses.gpl3;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/boehm-gc/7.6.6.nix b/pkgs/development/libraries/boehm-gc/7.6.6.nix
index 1cbbee469e6..31997e58577 100644
--- a/pkgs/development/libraries/boehm-gc/7.6.6.nix
+++ b/pkgs/development/libraries/boehm-gc/7.6.6.nix
@@ -63,10 +63,10 @@ stdenv.mkDerivation rec {
       C or C++ programs, though that is not its primary goal.
     '';
 
-    homepage = https://hboehm.info/gc/;
+    homepage = "https://hboehm.info/gc/";
 
     # non-copyleft, X11-style license
-    license = https://hboehm.info/gc/license.txt;
+    license = "https://hboehm.info/gc/license.txt";
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/boehm-gc/default.nix b/pkgs/development/libraries/boehm-gc/default.nix
index f061626a897..1af63a2e426 100644
--- a/pkgs/development/libraries/boehm-gc/default.nix
+++ b/pkgs/development/libraries/boehm-gc/default.nix
@@ -58,10 +58,10 @@ stdenv.mkDerivation rec {
       C or C++ programs, though that is not its primary goal.
     '';
 
-    homepage = https://hboehm.info/gc/;
+    homepage = "https://hboehm.info/gc/";
 
     # non-copyleft, X11-style license
-    license = https://hboehm.info/gc/license.txt;
+    license = "https://hboehm.info/gc/license.txt";
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/boost-process/default.nix b/pkgs/development/libraries/boost-process/default.nix
index b90006a5e97..92e02c6ca08 100644
--- a/pkgs/development/libraries/boost-process/default.nix
+++ b/pkgs/development/libraries/boost-process/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.highscore.de/boost/process0.5/;
+    homepage = "http://www.highscore.de/boost/process0.5/";
     description = "Library to manage system processes";
     license = licenses.boost;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/boost/1.67.nix b/pkgs/development/libraries/boost/1.67.nix
index a2fe9447c12..31f545ab12b 100644
--- a/pkgs/development/libraries/boost/1.67.nix
+++ b/pkgs/development/libraries/boost/1.67.nix
@@ -12,20 +12,20 @@ callPackage ./generic.nix (args // {
   ] ++ stdenv.lib.optionals stdenv.cc.isClang [
     # Fixes https://github.com/boostorg/atomic/issues/15
     (fetchpatch {
-      url = https://github.com/boostorg/atomic/commit/6e14ca24dab50ad4c1fa8c27c7dd6f1cb791b534.patch;
+      url = "https://github.com/boostorg/atomic/commit/6e14ca24dab50ad4c1fa8c27c7dd6f1cb791b534.patch";
       sha256 = "102g35ygvv8cxagp9651284xk4vybk93q2fm577y4mdxf5k46b7a";
       stripLen = 1;
     })
 
     # Needed for the next patch
     (fetchpatch {
-      url = https://github.com/boostorg/asio/commit/38cb19719748ad56b14d73ca1fff5828f36e5894.patch;
+      url = "https://github.com/boostorg/asio/commit/38cb19719748ad56b14d73ca1fff5828f36e5894.patch";
       sha256 = "0cj9cxz9rfbsx8p8f5alxx00dq3r7g0vh23j68bbxbs9gq1arq2n";
       stripLen = 1;
     })
     # Fixes https://github.com/boostorg/asio/pull/91
     (fetchpatch {
-      url = https://github.com/boostorg/asio/commit/43874d5497414c67655d901e48c939ef01337edb.patch;
+      url = "https://github.com/boostorg/asio/commit/43874d5497414c67655d901e48c939ef01337edb.patch";
       sha256 = "1c2ds164s2ygvpb4785p4ncv8ywbpm08cphirb99xp4mqvb693is";
       stripLen = 1;
     })
diff --git a/pkgs/development/libraries/boost/generic.nix b/pkgs/development/libraries/boost/generic.nix
index 82bcd49592d..828635e10c6 100644
--- a/pkgs/development/libraries/boost/generic.nix
+++ b/pkgs/development/libraries/boost/generic.nix
@@ -112,7 +112,7 @@ stdenv.mkDerivation {
     else ./darwin-no-system-python.patch);
 
   meta = {
-    homepage = http://boost.org/;
+    homepage = "http://boost.org/";
     description = "Collection of C++ libraries";
     license = licenses.boost;
     platforms = platforms.unix ++ platforms.windows;
diff --git a/pkgs/development/libraries/bootil/default.nix b/pkgs/development/libraries/bootil/default.nix
index 9283f37a8c4..a1924f59a8d 100644
--- a/pkgs/development/libraries/bootil/default.nix
+++ b/pkgs/development/libraries/bootil/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Garry Newman's personal utility library";
-    homepage = https://github.com/garrynewman/bootil;
+    homepage = "https://github.com/garrynewman/bootil";
     # License unsure - see https://github.com/garrynewman/bootil/issues/21
     license = stdenv.lib.licenses.free;
     maintainers = [ stdenv.lib.maintainers.abigailbuccaneer ];
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   };
 
   patches = [ (fetchpatch {
-    url = https://github.com/garrynewman/bootil/pull/22.patch;
+    url = "https://github.com/garrynewman/bootil/pull/22.patch";
     name = "github-pull-request-22.patch";
     sha256 = "1qf8wkv00pb9w1aa0dl89c8gm4rmzkxfl7hidj4gz0wpy7a24qa2";
   }) ];
diff --git a/pkgs/development/libraries/box2d/default.nix b/pkgs/development/libraries/box2d/default.nix
index 64b18f389ac..1672970d505 100644
--- a/pkgs/development/libraries/box2d/default.nix
+++ b/pkgs/development/libraries/box2d/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "2D physics engine";
-    homepage = https://box2d.org/;
+    homepage = "https://box2d.org/";
     maintainers = [ maintainers.raskin ];
     platforms = platforms.linux;
     license = licenses.zlib;
diff --git a/pkgs/development/libraries/brigand/default.nix b/pkgs/development/libraries/brigand/default.nix
index 7710747d800..cc5564d4bb7 100644
--- a/pkgs/development/libraries/brigand/default.nix
+++ b/pkgs/development/libraries/brigand/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
     longDescription = ''
       Brigand is a light-weight, fully functional, instant-compile time C++ 11 meta-programming library.
       Everything you were doing with Boost.MPL can be done with Brigand. And if that's not the case, open an issue!'';
-    homepage = https://github.com/edouarda/brigand;
+    homepage = "https://github.com/edouarda/brigand";
     license = licenses.boost;
     maintainers = with maintainers; [ pmiddend ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/buddy/default.nix b/pkgs/development/libraries/buddy/default.nix
index 9b722602a65..d025b8c28ed 100644
--- a/pkgs/development/libraries/buddy/default.nix
+++ b/pkgs/development/libraries/buddy/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = {
-    homepage = https://sourceforge.net/projects/buddy/;
+    homepage = "https://sourceforge.net/projects/buddy/";
     description = "Binary decision diagram package";
     license = "as-is";
 
diff --git a/pkgs/development/libraries/bullet/default.nix b/pkgs/development/libraries/bullet/default.nix
index 5b4e37eff9f..1c9a10356a4 100644
--- a/pkgs/development/libraries/bullet/default.nix
+++ b/pkgs/development/libraries/bullet/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
       Bullet 3D Game Multiphysics Library provides state of the art collision
       detection, soft body and rigid body dynamics.
     '';
-    homepage = http://bulletphysics.org;
+    homepage = "http://bulletphysics.org";
     license = licenses.zlib;
     maintainers = with maintainers; [ aforemny ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/bullet/roboschool-fork.nix b/pkgs/development/libraries/bullet/roboschool-fork.nix
index 34a9ee3b6ee..abb9d3e2ce3 100644
--- a/pkgs/development/libraries/bullet/roboschool-fork.nix
+++ b/pkgs/development/libraries/bullet/roboschool-fork.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
       Bullet 3D Game Multiphysics Library provides state of the art collision
       detection, soft body and rigid body dynamics.
     '';
-    homepage = http://bulletphysics.org;
+    homepage = "http://bulletphysics.org";
     license = licenses.zlib;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/bwidget/default.nix b/pkgs/development/libraries/bwidget/default.nix
index 0279dc8f5ef..154b8634551 100644
--- a/pkgs/development/libraries/bwidget/default.nix
+++ b/pkgs/development/libraries/bwidget/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ tcl ];
 
   meta = {
-    homepage = https://sourceforge.net/projects/tcllib;
+    homepage = "https://sourceforge.net/projects/tcllib";
     description = "High-level widget set for Tcl/Tk";
     license = stdenv.lib.licenses.tcltk;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/c-ares/default.nix b/pkgs/development/libraries/c-ares/default.nix
index 9e38398dfad..02f0872cee3 100644
--- a/pkgs/development/libraries/c-ares/default.nix
+++ b/pkgs/development/libraries/c-ares/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C library for asynchronous DNS requests";
-    homepage = https://c-ares.haxx.se;
+    homepage = "https://c-ares.haxx.se";
     license = licenses.mit;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/c-blosc/default.nix b/pkgs/development/libraries/c-blosc/default.nix
index fcc74625b99..d3bb3479911 100644
--- a/pkgs/development/libraries/c-blosc/default.nix
+++ b/pkgs/development/libraries/c-blosc/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A blocking, shuffling and loss-less compression library";
-    homepage = https://www.blosc.org;
+    homepage = "https://www.blosc.org";
     license = licenses.bsd3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/caf/default.nix b/pkgs/development/libraries/caf/default.nix
index c1415a2837c..c1a75e7753e 100644
--- a/pkgs/development/libraries/caf/default.nix
+++ b/pkgs/development/libraries/caf/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open source implementation of the actor model in C++";
-    homepage = http://actor-framework.org/;
+    homepage = "http://actor-framework.org/";
     license = licenses.bsd3;
     platforms = platforms.unix;
     maintainers = with maintainers; [ bobakker tobim ];
diff --git a/pkgs/development/libraries/cairo/default.nix b/pkgs/development/libraries/cairo/default.nix
index 80f8f9498d7..e5e2eba1118 100644
--- a/pkgs/development/libraries/cairo/default.nix
+++ b/pkgs/development/libraries/cairo/default.nix
@@ -112,7 +112,7 @@ in stdenv.mkDerivation rec {
       when available (e.g., through the X Render Extension).
     '';
 
-    homepage = http://cairographics.org/;
+    homepage = "http://cairographics.org/";
 
     license = with licenses; [ lgpl2Plus mpl10 ];
 
diff --git a/pkgs/development/libraries/catch/default.nix b/pkgs/development/libraries/catch/default.nix
index 92e5c04e032..36d4960cdcc 100644
--- a/pkgs/development/libraries/catch/default.nix
+++ b/pkgs/development/libraries/catch/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A multi-paradigm automated test framework for C++ and Objective-C (and, maybe, C)";
-    homepage = http://catch-lib.net;
+    homepage = "http://catch-lib.net";
     license = licenses.boost;
     maintainers = with maintainers; [ edwtjo knedlsepp ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/ccrtp/default.nix b/pkgs/development/libraries/ccrtp/default.nix
index cd9d031788a..dba16b19e3b 100644
--- a/pkgs/development/libraries/ccrtp/default.nix
+++ b/pkgs/development/libraries/ccrtp/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An implementation of the IETF real-time transport protocol (RTP)";
-    homepage = https://www.gnu.org/software/ccrtp/;
+    homepage = "https://www.gnu.org/software/ccrtp/";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ marcweber ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/cctz/default.nix b/pkgs/development/libraries/cctz/default.nix
index 5897f84efff..848927776f9 100644
--- a/pkgs/development/libraries/cctz/default.nix
+++ b/pkgs/development/libraries/cctz/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/google/cctz;
+    homepage = "https://github.com/google/cctz";
     description = "C++ library for translating between absolute and civil times";
     license = licenses.asl20;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/cddlib/default.nix b/pkgs/development/libraries/cddlib/default.nix
index d84cda5b750..76b5390fb69 100644
--- a/pkgs/development/libraries/cddlib/default.nix
+++ b/pkgs/development/libraries/cddlib/default.nix
@@ -28,6 +28,6 @@ stdenv.mkDerivation rec {
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [raskin timokau];
     platforms = platforms.unix;
-    homepage = https://www.inf.ethz.ch/personal/fukudak/cdd_home/index.html;
+    homepage = "https://www.inf.ethz.ch/personal/fukudak/cdd_home/index.html";
   };
 }
diff --git a/pkgs/development/libraries/cdo/default.nix b/pkgs/development/libraries/cdo/default.nix
index 2a3dbc7a2d1..f582be81e86 100644
--- a/pkgs/development/libraries/cdo/default.nix
+++ b/pkgs/development/libraries/cdo/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       Supported data formats are GRIB 1/2, netCDF 3/4, SERVICE, EXTRA and IEG.
       There are more than 600 operators available.
     '';
-    homepage = https://code.mpimet.mpg.de/projects/cdo/;
+    homepage = "https://code.mpimet.mpg.de/projects/cdo/";
     license = licenses.gpl2;
     maintainers = [ maintainers.ltavard ];
     platforms = with platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/cegui/default.nix b/pkgs/development/libraries/cegui/default.nix
index eaeb6bf8e43..aaa93f19131 100644
--- a/pkgs/development/libraries/cegui/default.nix
+++ b/pkgs/development/libraries/cegui/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ cmake ogre freetype boost expat ];
 
   meta = with stdenv.lib; {
-    homepage = http://cegui.org.uk/;
+    homepage = "http://cegui.org.uk/";
     description = "C++ Library for creating GUIs";
     license = licenses.mit;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/celt/generic.nix b/pkgs/development/libraries/celt/generic.nix
index 3b7e870b4fe..6277c5cd931 100644
--- a/pkgs/development/libraries/celt/generic.nix
+++ b/pkgs/development/libraries/celt/generic.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Ultra-low delay audio codec";
-    homepage    = http://www.celt-codec.org/;
+    homepage    = "http://www.celt-codec.org/";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ codyopel raskin ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/cereal/default.nix b/pkgs/development/libraries/cereal/default.nix
index 03a1f9b3179..e17b42ea5c1 100644
--- a/pkgs/development/libraries/cereal/default.nix
+++ b/pkgs/development/libraries/cereal/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A header-only C++11 serialization library";
-    homepage    = https://uscilab.github.io/cereal/;
+    homepage    = "https://uscilab.github.io/cereal/";
     platforms   = platforms.all;
     license     = licenses.mit;
   };
diff --git a/pkgs/development/libraries/ceres-solver/default.nix b/pkgs/development/libraries/ceres-solver/default.nix
index 3ce8c4ef080..26a943791e9 100644
--- a/pkgs/development/libraries/ceres-solver/default.nix
+++ b/pkgs/development/libraries/ceres-solver/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "C++ library for modeling and solving large, complicated optimization problems";
     license = licenses.bsd3;
-    homepage = http://ceres-solver.org;
+    homepage = "http://ceres-solver.org";
     maintainers = with maintainers; [ giogadi ];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/cfitsio/default.nix b/pkgs/development/libraries/cfitsio/default.nix
index 4b84f73a258..1b7dc58c0d6 100644
--- a/pkgs/development/libraries/cfitsio/default.nix
+++ b/pkgs/development/libraries/cfitsio/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
    '';
 
   meta = with stdenv.lib; {
-    homepage = https://heasarc.gsfc.nasa.gov/fitsio/;
+    homepage = "https://heasarc.gsfc.nasa.gov/fitsio/";
     description = "Library for reading and writing FITS data files";
     longDescription =
       '' CFITSIO is a library of C and Fortran subroutines for reading and
diff --git a/pkgs/development/libraries/check/default.nix b/pkgs/development/libraries/check/default.nix
index 334a4758f2b..193bdda3445 100644
--- a/pkgs/development/libraries/check/default.nix
+++ b/pkgs/development/libraries/check/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
          can be used within source code editors and IDEs.
       '';
 
-    homepage = https://libcheck.github.io/check/;
+    homepage = "https://libcheck.github.io/check/";
 
     license = licenses.lgpl2Plus;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/chipmunk/default.nix b/pkgs/development/libraries/chipmunk/default.nix
index 5dd9917bc52..017dc1fd9c2 100644
--- a/pkgs/development/libraries/chipmunk/default.nix
+++ b/pkgs/development/libraries/chipmunk/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A fast and lightweight 2D game physics library";
-    homepage = http://chipmunk2d.net/;
+    homepage = "http://chipmunk2d.net/";
     license = licenses.mit;
     platforms = platforms.unix; # supports Windows and MacOS as well, but those require more work
   };
diff --git a/pkgs/development/libraries/chmlib/default.nix b/pkgs/development/libraries/chmlib/default.nix
index 4f4af87227f..9b95fd26444 100644
--- a/pkgs/development/libraries/chmlib/default.nix
+++ b/pkgs/development/libraries/chmlib/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = {
-    homepage = http://www.jedrea.com/chmlib;
+    homepage = "http://www.jedrea.com/chmlib";
     license = stdenv.lib.licenses.lgpl2;
     description = "A library for dealing with Microsoft ITSS/CHM format files";
     platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux"];
diff --git a/pkgs/development/libraries/chromaprint/default.nix b/pkgs/development/libraries/chromaprint/default.nix
index 6ad6a09ec14..475108de596 100644
--- a/pkgs/development/libraries/chromaprint/default.nix
+++ b/pkgs/development/libraries/chromaprint/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [ "-DBUILD_EXAMPLES=ON" "-DBUILD_TOOLS=ON" ];
 
   meta = with stdenv.lib; {
-    homepage = https://acoustid.org/chromaprint;
+    homepage = "https://acoustid.org/chromaprint";
     description = "AcoustID audio fingerprinting library";
     maintainers = with maintainers; [ ehmry ];
     license = licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/civetweb/default.nix b/pkgs/development/libraries/civetweb/default.nix
index 3f8de005ff8..35f8f5e663a 100644
--- a/pkgs/development/libraries/civetweb/default.nix
+++ b/pkgs/development/libraries/civetweb/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Embedded C/C++ web server";
-    homepage = https://github.com/civetweb/civetweb;
+    homepage = "https://github.com/civetweb/civetweb";
     license = [ stdenv.lib.licenses.mit ];
   };
 }
diff --git a/pkgs/development/libraries/cl/default.nix b/pkgs/development/libraries/cl/default.nix
index 2c8ac5113b1..aad14bead66 100644
--- a/pkgs/development/libraries/cl/default.nix
+++ b/pkgs/development/libraries/cl/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/tonyrog/cl;
+    homepage = "https://github.com/tonyrog/cl";
     description = "OpenCL binding for Erlang";
     license = licenses.mit;
     # https://github.com/tonyrog/cl/issues/39
diff --git a/pkgs/development/libraries/classads/default.nix b/pkgs/development/libraries/classads/default.nix
index ff8e1ca6759..f2377a59e7b 100644
--- a/pkgs/development/libraries/classads/default.nix
+++ b/pkgs/development/libraries/classads/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   ];
   
   meta = {
-    homepage = http://www.cs.wisc.edu/condor/classad/;
+    homepage = "http://www.cs.wisc.edu/condor/classad/";
     description = "The Classified Advertisements library provides a generic means for matching resources";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/clearsilver/default.nix b/pkgs/development/libraries/clearsilver/default.nix
index fd4d8d5ca31..8b79619dff4 100644
--- a/pkgs/development/libraries/clearsilver/default.nix
+++ b/pkgs/development/libraries/clearsilver/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Fast, powerful, and language-neutral HTML template system";
-    homepage = http://www.clearsilver.net/;
+    homepage = "http://www.clearsilver.net/";
     license = licenses.free;
   };
 }
diff --git a/pkgs/development/libraries/cln/default.nix b/pkgs/development/libraries/cln/default.nix
index 6627f46c18e..669ce90287b 100644
--- a/pkgs/development/libraries/cln/default.nix
+++ b/pkgs/development/libraries/cln/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C/C++ library for numbers, a part of GiNaC";
-    homepage = https://www.ginac.de/CLN/;
+    homepage = "https://www.ginac.de/CLN/";
     license = licenses.gpl2;
     platforms = platforms.unix; # Once had cygwin problems
   };
diff --git a/pkgs/development/libraries/cloog-ppl/default.nix b/pkgs/development/libraries/cloog-ppl/default.nix
index 47037339d41..f7a0bd058e7 100644
--- a/pkgs/development/libraries/cloog-ppl/default.nix
+++ b/pkgs/development/libraries/cloog-ppl/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     '';
 
     # CLooG-PPL is actually a port of GLooG from PolyLib to PPL.
-    homepage = http://www.cloog.org/;
+    homepage = "http://www.cloog.org/";
 
     license = stdenv.lib.licenses.gpl2Plus;
 
diff --git a/pkgs/development/libraries/cloog/0.18.0.nix b/pkgs/development/libraries/cloog/0.18.0.nix
index fa4e19f716a..b0f69d42e8c 100644
--- a/pkgs/development/libraries/cloog/0.18.0.nix
+++ b/pkgs/development/libraries/cloog/0.18.0.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
       effective code.
     '';
 
-    homepage = http://www.cloog.org/;
+    homepage = "http://www.cloog.org/";
 
     license = stdenv.lib.licenses.gpl2Plus;
 
diff --git a/pkgs/development/libraries/cloog/default.nix b/pkgs/development/libraries/cloog/default.nix
index 902e0b26687..be506cdee17 100644
--- a/pkgs/development/libraries/cloog/default.nix
+++ b/pkgs/development/libraries/cloog/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
       effective code.
     '';
 
-    homepage = http://www.cloog.org/;
+    homepage = "http://www.cloog.org/";
 
     license = stdenv.lib.licenses.gpl2Plus;
 
diff --git a/pkgs/development/libraries/clucene-core/2.x.nix b/pkgs/development/libraries/clucene-core/2.x.nix
index 91347813a24..3776f1eac21 100644
--- a/pkgs/development/libraries/clucene-core/2.x.nix
+++ b/pkgs/development/libraries/clucene-core/2.x.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
 
       CLucene is a port of the very popular Java Lucene text search engine API.
     '';
-    homepage = http://clucene.sourceforge.net;
+    homepage = "http://clucene.sourceforge.net";
     platforms = platforms.unix;
     license = with licenses; [ asl20 lgpl2 ];
   };
diff --git a/pkgs/development/libraries/clucene-core/default.nix b/pkgs/development/libraries/clucene-core/default.nix
index 8451b085372..d71d01de9e2 100644
--- a/pkgs/development/libraries/clucene-core/default.nix
+++ b/pkgs/development/libraries/clucene-core/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
       CLucene is a port of the very popular Java Lucene text search engine API.
     '';
-    homepage = http://clucene.sourceforge.net;
+    homepage = "http://clucene.sourceforge.net";
     platforms = platforms.linux;
     license = with licenses; [ asl20 lgpl2 ];
   };
diff --git a/pkgs/development/libraries/clutter-gst/default.nix b/pkgs/development/libraries/clutter-gst/default.nix
index 2db4f6bf1ab..1a9644991b6 100644
--- a/pkgs/development/libraries/clutter-gst/default.nix
+++ b/pkgs/development/libraries/clutter-gst/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "GStreamer bindings for clutter";
 
-    homepage = http://www.clutter-project.org/;
+    homepage = "http://www.clutter-project.org/";
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/clutter-gtk/default.nix b/pkgs/development/libraries/clutter-gtk/default.nix
index d59bc5161af..973ae344dc9 100644
--- a/pkgs/development/libraries/clutter-gtk/default.nix
+++ b/pkgs/development/libraries/clutter-gtk/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Clutter-GTK";
-    homepage = http://www.clutter-project.org/;
+    homepage = "http://www.clutter-project.org/";
     license = stdenv.lib.licenses.lgpl2Plus;
     maintainers = with stdenv.lib.maintainers; [ lethalman ];
     platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.linux;  # arbitrary choice
diff --git a/pkgs/development/libraries/clutter/default.nix b/pkgs/development/libraries/clutter/default.nix
index 6cb2ac60443..8a70a872b9e 100644
--- a/pkgs/development/libraries/clutter/default.nix
+++ b/pkgs/development/libraries/clutter/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
       '';
 
     license = stdenv.lib.licenses.lgpl2Plus;
-    homepage = http://www.clutter-project.org/;
+    homepage = "http://www.clutter-project.org/";
 
     maintainers = with stdenv.lib.maintainers; [ lethalman ];
     platforms = stdenv.lib.platforms.mesaPlatforms;
diff --git a/pkgs/development/libraries/cmark/default.nix b/pkgs/development/libraries/cmark/default.nix
index e7c02312b66..b132e958f67 100644
--- a/pkgs/development/libraries/cmark/default.nix
+++ b/pkgs/development/libraries/cmark/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "CommonMark parsing and rendering library and program in C";
-    homepage = https://github.com/jgm/cmark;
+    homepage = "https://github.com/jgm/cmark";
     maintainers = [ maintainers.michelk ];
     platforms = platforms.unix;
     license = licenses.bsd2;
diff --git a/pkgs/development/libraries/cminpack/default.nix b/pkgs/development/libraries/cminpack/default.nix
index cb4f3e39aef..3b2d748a836 100644
--- a/pkgs/development/libraries/cminpack/default.nix
+++ b/pkgs/development/libraries/cminpack/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://devernay.free.fr/hacks/cminpack/cminpack.html;
+    homepage = "http://devernay.free.fr/hacks/cminpack/cminpack.html";
     license = stdenv.lib.licenses.bsd3;
     description = "Software for solving nonlinear equations and nonlinear least squares problems";
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/cmocka/default.nix b/pkgs/development/libraries/cmocka/default.nix
index ae110846ff0..18c1843623f 100644
--- a/pkgs/development/libraries/cmocka/default.nix
+++ b/pkgs/development/libraries/cmocka/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
         This is the successor of Google's Cmockery.'';
 
-    homepage = https://cmocka.org/;
+    homepage = "https://cmocka.org/";
 
     license = licenses.asl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/cmrt/default.nix b/pkgs/development/libraries/cmrt/default.nix
index 11e719b36df..512a289152a 100644
--- a/pkgs/development/libraries/cmrt/default.nix
+++ b/pkgs/development/libraries/cmrt/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libdrm libva ];
 
   meta = with stdenv.lib; {
-    homepage = https://01.org/linuxmedia;
+    homepage = "https://01.org/linuxmedia";
     description = "Intel C for Media Runtime";
     longDescription = "Media GPU kernel manager for Intel G45 & HD Graphics family";
     license = licenses.mit;
diff --git a/pkgs/development/libraries/codec2/default.nix b/pkgs/development/libraries/codec2/default.nix
index 9c31b50c028..1f387f711e7 100644
--- a/pkgs/development/libraries/codec2/default.nix
+++ b/pkgs/development/libraries/codec2/default.nix
@@ -20,7 +20,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Speech codec designed for communications quality speech at low data rates";
-    homepage = http://www.rowetel.com/blog/?page_id=452;
+    homepage = "http://www.rowetel.com/blog/?page_id=452";
     license = licenses.lgpl21;
     platforms = platforms.linux;
     maintainers = with maintainers; [ markuskowa ];
diff --git a/pkgs/development/libraries/cogl/default.nix b/pkgs/development/libraries/cogl/default.nix
index 3557f1cf1a2..08b3b96784a 100644
--- a/pkgs/development/libraries/cogl/default.nix
+++ b/pkgs/development/libraries/cogl/default.nix
@@ -21,12 +21,12 @@ in stdenv.mkDerivation rec {
     # could be merged, but dev can not make a new release.
 
     (fetchpatch {
-      url = https://bug787443.bugzilla-attachments.gnome.org/attachment.cgi?id=359589;
+      url = "https://bug787443.bugzilla-attachments.gnome.org/attachment.cgi?id=359589";
       sha256 = "0f0d9iddg8zwy853phh7swikg4yzhxxv71fcag36f8gis0j5p998";
     })
 
     (fetchpatch {
-      url = https://bug787443.bugzilla-attachments.gnome.org/attachment.cgi?id=361056;
+      url = "https://bug787443.bugzilla-attachments.gnome.org/attachment.cgi?id=361056";
       sha256 = "09fyrdci4727fg6qm5aaapsbv71sf4wgfaqz8jqlyy61dibgg490";
     })
 
diff --git a/pkgs/development/libraries/concurrencykit/default.nix b/pkgs/development/libraries/concurrencykit/default.nix
index cc42407433c..a54bc754782 100644
--- a/pkgs/development/libraries/concurrencykit/default.nix
+++ b/pkgs/development/libraries/concurrencykit/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library of safe, high-performance concurrent data structures";
-    homepage    = http://concurrencykit.org;
+    homepage    = "http://concurrencykit.org";
     license     = licenses.bsd2;
     platforms   = platforms.unix;
     maintainers = [ maintainers.thoughtpolice ];
diff --git a/pkgs/development/libraries/cpp-ipfs-api/default.nix b/pkgs/development/libraries/cpp-ipfs-api/default.nix
index dfebccc88e3..3c5921541a7 100644
--- a/pkgs/development/libraries/cpp-ipfs-api/default.nix
+++ b/pkgs/development/libraries/cpp-ipfs-api/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "IPFS C++ API client library";
-    homepage = https://github.com/vasild/cpp-ipfs-api;
+    homepage = "https://github.com/vasild/cpp-ipfs-api";
     license = licenses.mit;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/cpp-netlib/default.nix b/pkgs/development/libraries/cpp-netlib/default.nix
index 31c4c70dd9d..50c4e05dfa1 100644
--- a/pkgs/development/libraries/cpp-netlib/default.nix
+++ b/pkgs/development/libraries/cpp-netlib/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Collection of open-source libraries for high level network programming";
-    homepage    = https://cpp-netlib.org;
+    homepage    = "https://cpp-netlib.org";
     license     = licenses.boost;
     platforms   = platforms.all;
   };
diff --git a/pkgs/development/libraries/cppcms/default.nix b/pkgs/development/libraries/cppcms/default.nix
index 7bb2bad9689..0063db95770 100644
--- a/pkgs/development/libraries/cppcms/default.nix
+++ b/pkgs/development/libraries/cppcms/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://cppcms.com;
+    homepage = "http://cppcms.com";
     description = "High Performance C++ Web Framework";
     platforms = platforms.linux ;
     license = licenses.lgpl3;
diff --git a/pkgs/development/libraries/cppdb/default.nix b/pkgs/development/libraries/cppdb/default.nix
index bb521ba3ec0..fc65dd73920 100644
--- a/pkgs/development/libraries/cppdb/default.nix
+++ b/pkgs/development/libraries/cppdb/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-I${libmysqlclient}/include/mysql -L${libmysqlclient}/lib/mysql";
 
   meta = with stdenv.lib; {
-    homepage = http://cppcms.com/sql/cppdb/;
+    homepage = "http://cppcms.com/sql/cppdb/";
     description = "C++ Connectivity library that supports MySQL, PostgreSQL, Sqlite3 databases and generic ODBC drivers";
     platforms = platforms.linux ;
     license = licenses.boost;
diff --git a/pkgs/development/libraries/cpptest/default.nix b/pkgs/development/libraries/cpptest/default.nix
index e663c87f799..5ed06b99f33 100644
--- a/pkgs/development/libraries/cpptest/default.nix
+++ b/pkgs/development/libraries/cpptest/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://cpptest.sourceforge.net/;
+    homepage = "http://cpptest.sourceforge.net/";
     description = "Simple C++ unit testing framework";
     maintainers = with maintainers; [ bosu ];
     license = stdenv.lib.licenses.lgpl3;
diff --git a/pkgs/development/libraries/cppunit/default.nix b/pkgs/development/libraries/cppunit/default.nix
index beaa5721a4d..bf65be71575 100644
--- a/pkgs/development/libraries/cppunit/default.nix
+++ b/pkgs/development/libraries/cppunit/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://freedesktop.org/wiki/Software/cppunit/;
+    homepage = "https://freedesktop.org/wiki/Software/cppunit/";
     description = "C++ unit testing framework";
     license = licenses.lgpl21;
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/cpputest/default.nix b/pkgs/development/libraries/cpputest/default.nix
index 28ab31a08cc..52d6ce5214e 100644
--- a/pkgs/development/libraries/cpputest/default.nix
+++ b/pkgs/development/libraries/cpputest/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    homepage = http://cpputest.github.io/;
+    homepage = "http://cpputest.github.io/";
     description = "Unit testing and mocking framework for C/C++";
     platforms = stdenv.lib.platforms.linux ;
     license = stdenv.lib.licenses.bsd3;
diff --git a/pkgs/development/libraries/cppzmq/default.nix b/pkgs/development/libraries/cppzmq/default.nix
index 78cefe89e3b..240710b5a50 100644
--- a/pkgs/development/libraries/cppzmq/default.nix
+++ b/pkgs/development/libraries/cppzmq/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/zeromq/cppzmq;
+    homepage = "https://github.com/zeromq/cppzmq";
     license = licenses.bsd2;
     description = "C++ binding for 0MQ";
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/cracklib/default.nix b/pkgs/development/libraries/cracklib/default.nix
index ea3f5e6476b..4f3270d677a 100644
--- a/pkgs/development/libraries/cracklib/default.nix
+++ b/pkgs/development/libraries/cracklib/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   installCheckTarget = "test";
 
   meta = with lib; {
-    homepage    = https://github.com/cracklib/cracklib;
+    homepage    = "https://github.com/cracklib/cracklib";
     description = "A library for checking the strength of passwords";
     license = licenses.lgpl21; # Different license for the wordlist: http://www.openwall.com/wordlists
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/development/libraries/crc32c/default.nix b/pkgs/development/libraries/crc32c/default.nix
index a7313c20553..1da2f210c5c 100644
--- a/pkgs/development/libraries/crc32c/default.nix
+++ b/pkgs/development/libraries/crc32c/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isAarch64 "-march=armv8-a+crc";
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/google/crc32c;
+    homepage = "https://github.com/google/crc32c";
     description = "CRC32C implementation with support for CPU-specific acceleration instructions";
     license = with licenses; [ bsd3 ];
     maintainers = with maintainers; [ andir ];
diff --git a/pkgs/development/libraries/cre2/default.nix b/pkgs/development/libraries/cre2/default.nix
index a4313fa94d3..6f101fb5d47 100644
--- a/pkgs/development/libraries/cre2/default.nix
+++ b/pkgs/development/libraries/cre2/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://marcomaggi.github.io/docs/cre2.html;
+    homepage = "http://marcomaggi.github.io/docs/cre2.html";
     description = "C Wrapper for RE2";
     license = licenses.bsd3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/croaring/default.nix b/pkgs/development/libraries/croaring/default.nix
index 6e6ee2479d4..b9c293edfb8 100644
--- a/pkgs/development/libraries/croaring/default.nix
+++ b/pkgs/development/libraries/croaring/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Compressed bitset library for C and C++";
-    homepage = http://roaringbitmap.org/;
+    homepage = "http://roaringbitmap.org/";
     license = licenses.asl20;
     maintainers = with maintainers; [ orivej ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/csfml/default.nix b/pkgs/development/libraries/csfml/default.nix
index 9bfff5c4aa8..ab63b7a21f2 100644
--- a/pkgs/development/libraries/csfml/default.nix
+++ b/pkgs/development/libraries/csfml/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   cmakeFlags = [ "-DCMAKE_MODULE_PATH=${sfml}/share/SFML/cmake/Modules/" ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.sfml-dev.org/;
+    homepage = "https://www.sfml-dev.org/";
     description = "Simple and fast multimedia library";
     longDescription = ''
       SFML is a simple, fast, cross-platform and object-oriented multimedia API.
diff --git a/pkgs/development/libraries/ctpl/default.nix b/pkgs/development/libraries/ctpl/default.nix
index 5696684e91d..077ac63748c 100644
--- a/pkgs/development/libraries/ctpl/default.nix
+++ b/pkgs/development/libraries/ctpl/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib ];
 
   meta = with stdenv.lib; {
-    homepage = http://ctpl.tuxfamily.org/;
+    homepage = "http://ctpl.tuxfamily.org/";
     description = "Template engine library written in C";
     platforms = platforms.linux;
     maintainers = [ maintainers.lethalman ];
diff --git a/pkgs/development/libraries/ctpp2/default.nix b/pkgs/development/libraries/ctpp2/default.nix
index ea2230909a2..82bbdfc2fc1 100644
--- a/pkgs/development/libraries/ctpp2/default.nix
+++ b/pkgs/development/libraries/ctpp2/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A high performance templating engine";
-    homepage = http://ctpp.havoc.ru;
+    homepage = "http://ctpp.havoc.ru";
     maintainers = [ maintainers.robbinch ];
     platforms = platforms.linux;
     license = licenses.bsd2;
diff --git a/pkgs/development/libraries/curlcpp/default.nix b/pkgs/development/libraries/curlcpp/default.nix
index 6f531414242..274a657cb1a 100644
--- a/pkgs/development/libraries/curlcpp/default.nix
+++ b/pkgs/development/libraries/curlcpp/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ cmake curl ];
 
   meta = with stdenv.lib; {
-    homepage = https://josephp91.github.io/curlcpp/;
+    homepage = "https://josephp91.github.io/curlcpp/";
     description = "Object oriented C++ wrapper for CURL";
     platforms = platforms.unix;
     license = licenses.mit;
diff --git a/pkgs/development/libraries/curlpp/default.nix b/pkgs/development/libraries/curlpp/default.nix
index 490f472a066..810bd3f15da 100644
--- a/pkgs/development/libraries/curlpp/default.nix
+++ b/pkgs/development/libraries/curlpp/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.curlpp.org/;
+    homepage = "https://www.curlpp.org/";
     description = "C++ wrapper around libcURL";
     license = licenses.mit;
     maintainers = with maintainers; [ CrazedProgrammer ];
diff --git a/pkgs/development/libraries/cutee/default.nix b/pkgs/development/libraries/cutee/default.nix
index 1c14454af5c..661dc7c816c 100644
--- a/pkgs/development/libraries/cutee/default.nix
+++ b/pkgs/development/libraries/cutee/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ Unit Testing Easy Environment";
-    homepage    = http://www.codesink.org/cutee_unit_testing.html;
+    homepage    = "http://www.codesink.org/cutee_unit_testing.html";
     license     = licenses.gpl2Plus;
     maintainers = with maintainers; [ leenaars];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/cutelyst/default.nix b/pkgs/development/libraries/cutelyst/default.nix
index 2cf611eed27..1d24da9f7fe 100644
--- a/pkgs/development/libraries/cutelyst/default.nix
+++ b/pkgs/development/libraries/cutelyst/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "C++ Web Framework built on top of Qt";
-    homepage = https://cutelyst.org/;
+    homepage = "https://cutelyst.org/";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ fpletz ];
   };
diff --git a/pkgs/development/libraries/cwiid/default.nix b/pkgs/development/libraries/cwiid/default.nix
index d9a17aff941..353a5ba9061 100644
--- a/pkgs/development/libraries/cwiid/default.nix
+++ b/pkgs/development/libraries/cwiid/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Linux Nintendo Wiimote interface";
-    homepage    = http://cwiid.org;
+    homepage    = "http://cwiid.org";
     license     = licenses.gpl2Plus;
     maintainers = with maintainers; [ bennofs ];
     platforms   = platforms.linux;
diff --git a/pkgs/development/libraries/cxx-prettyprint/default.nix b/pkgs/development/libraries/cxx-prettyprint/default.nix
index e668e653477..34dc30abe61 100644
--- a/pkgs/development/libraries/cxx-prettyprint/default.nix
+++ b/pkgs/development/libraries/cxx-prettyprint/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description    = "Header only C++ library for pretty printing standard containers";
-    homepage       = https://github.com/louisdx/cxx-prettyprint;
+    homepage       = "https://github.com/louisdx/cxx-prettyprint";
     license        = stdenv.lib.licenses.boost;
     platforms      = platforms.all;
 
diff --git a/pkgs/development/libraries/cxxtest/default.nix b/pkgs/development/libraries/cxxtest/default.nix
index 9b6407715df..00629339e08 100644
--- a/pkgs/development/libraries/cxxtest/default.nix
+++ b/pkgs/development/libraries/cxxtest/default.nix
@@ -18,7 +18,7 @@ in python2Packages.buildPythonApplication {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://cxxtest.com;
+    homepage = "http://cxxtest.com";
     description = "Unit testing framework for C++";
     platforms = platforms.unix ;
     license = licenses.lgpl3;
diff --git a/pkgs/development/libraries/cxxtools/default.nix b/pkgs/development/libraries/cxxtools/default.nix
index 4c572cf781a..ca3c4871732 100644
--- a/pkgs/development/libraries/cxxtools/default.nix
+++ b/pkgs/development/libraries/cxxtools/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = http://www.tntnet.org/cxxtools.html;
+    homepage = "http://www.tntnet.org/cxxtools.html";
     description = "Comprehensive C++ class library for Unix and Linux";
     platforms = stdenv.lib.platforms.linux ;
     license = stdenv.lib.licenses.lgpl21;
diff --git a/pkgs/development/libraries/cyrus-sasl/default.nix b/pkgs/development/libraries/cyrus-sasl/default.nix
index 68f6a7c5d8b..1ffb5359992 100644
--- a/pkgs/development/libraries/cyrus-sasl/default.nix
+++ b/pkgs/development/libraries/cyrus-sasl/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   installFlags = lib.optional stdenv.isDarwin [ "framedir=$(out)/Library/Frameworks/SASL2.framework" ];
 
   meta = {
-    homepage = https://www.cyrusimap.org/sasl;
+    homepage = "https://www.cyrusimap.org/sasl";
     description = "Library for adding authentication support to connection-based protocols";
     platforms = platforms.unix;
     license = licenses.bsdOriginal;
diff --git a/pkgs/development/libraries/czmq/default.nix b/pkgs/development/libraries/czmq/default.nix
index 05e499c73d0..bdf4519f9bc 100644
--- a/pkgs/development/libraries/czmq/default.nix
+++ b/pkgs/development/libraries/czmq/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ zeromq ];
 
   meta = with stdenv.lib; {
-    homepage = http://czmq.zeromq.org/;
+    homepage = "http://czmq.zeromq.org/";
     description = "High-level C Binding for ZeroMQ";
     license = licenses.mpl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/db/generic.nix b/pkgs/development/libraries/db/generic.nix
index bb501fb9c68..f439113efb3 100644
--- a/pkgs/development/libraries/db/generic.nix
+++ b/pkgs/development/libraries/db/generic.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation (rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/index.html;
+    homepage = "http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/index.html";
     description = "Berkeley DB";
     license = license;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/dbus-cplusplus/default.nix b/pkgs/development/libraries/dbus-cplusplus/default.nix
index 2609f47b276..1c9f7131172 100644
--- a/pkgs/development/libraries/dbus-cplusplus/default.nix
+++ b/pkgs/development/libraries/dbus-cplusplus/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--disable-ecore" "--disable-tests" ];
 
   meta = with stdenv.lib; {
-    homepage = http://dbus-cplusplus.sourceforge.net;
+    homepage = "http://dbus-cplusplus.sourceforge.net";
     description = "C++ API for D-BUS";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/dbus-glib/default.nix b/pkgs/development/libraries/dbus-glib/default.nix
index c6237795960..b0dd8e91960 100644
--- a/pkgs/development/libraries/dbus-glib/default.nix
+++ b/pkgs/development/libraries/dbus-glib/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   passthru = { inherit dbus glib; };
 
   meta = {
-    homepage = https://dbus.freedesktop.org;
+    homepage = "https://dbus.freedesktop.org";
     license = with stdenv.lib.licenses; [ afl21 gpl2 ];
     description = "Obsolete glib bindings for D-Bus lightweight IPC mechanism";
     maintainers = [ ];
diff --git a/pkgs/development/libraries/dbus/default.nix b/pkgs/development/libraries/dbus/default.nix
index 5024ea3ef24..a3e3c4ebd89 100644
--- a/pkgs/development/libraries/dbus/default.nix
+++ b/pkgs/development/libraries/dbus/default.nix
@@ -103,7 +103,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Simple interprocess messaging system";
-    homepage = http://www.freedesktop.org/wiki/Software/dbus/;
+    homepage = "http://www.freedesktop.org/wiki/Software/dbus/";
     license = licenses.gpl2Plus; # most is also under AFL-2.1
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/dbxml/default.nix b/pkgs/development/libraries/dbxml/default.nix
index b940315aed8..4913cfe2847 100644
--- a/pkgs/development/libraries/dbxml/default.nix
+++ b/pkgs/development/libraries/dbxml/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.oracle.com/database/berkeley-db/xml.html;
+    homepage = "https://www.oracle.com/database/berkeley-db/xml.html";
     description = "Embeddable XML database based on Berkeley DB";
     license = licenses.agpl3;
     maintainers = with maintainers; [ danieldk ];
diff --git a/pkgs/development/libraries/dclib/default.nix b/pkgs/development/libraries/dclib/default.nix
index 5a879e04c7d..6b42af05c11 100644
--- a/pkgs/development/libraries/dclib/default.nix
+++ b/pkgs/development/libraries/dclib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "dclib-0.3.7";
 
   src = fetchurl {
-    url = ftp://ftp.debian.nl/pub/freebsd/ports/distfiles/dclib-0.3.7.tar.bz2;
+    url = "ftp://ftp.debian.nl/pub/freebsd/ports/distfiles/dclib-0.3.7.tar.bz2";
     sha256 = "02jdzm5hqzs1dv2rd596vgpcjaapm55pqqapz5m94l30v4q72rfc";
   };
 
diff --git a/pkgs/development/libraries/dclxvi/default.nix b/pkgs/development/libraries/dclxvi/default.nix
index cd78d6d8a6a..802befff14c 100644
--- a/pkgs/development/libraries/dclxvi/default.nix
+++ b/pkgs/development/libraries/dclxvi/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/agl/dclxvi;
+    homepage = "https://github.com/agl/dclxvi";
     description = "Naehrig, Niederhagen and Schwabe's pairings code, massaged into a shared library";
     platforms = platforms.x86_64;
     license = licenses.publicDomain;
diff --git a/pkgs/development/libraries/dconf/default.nix b/pkgs/development/libraries/dconf/default.nix
index a41642745a5..8c3a2965484 100644
--- a/pkgs/development/libraries/dconf/default.nix
+++ b/pkgs/development/libraries/dconf/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/dconf;
+    homepage = "https://wiki.gnome.org/Projects/dconf";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/dee/default.nix b/pkgs/development/libraries/dee/default.nix
index dd26e5eb8ba..65f9982b42c 100644
--- a/pkgs/development/libraries/dee/default.nix
+++ b/pkgs/development/libraries/dee/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library that uses DBus to provide objects allowing you to create Model-View-Controller type programs across DBus";
-    homepage = https://launchpad.net/dee;
+    homepage = "https://launchpad.net/dee";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ abbradar worldofpeace ];
diff --git a/pkgs/development/libraries/dleyna-connector-dbus/default.nix b/pkgs/development/libraries/dleyna-connector-dbus/default.nix
index 643e7d3cc5d..ff81ab72732 100644
--- a/pkgs/development/libraries/dleyna-connector-dbus/default.nix
+++ b/pkgs/development/libraries/dleyna-connector-dbus/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A D-Bus API for the dLeyna services";
-    homepage = https://01.org/dleyna;
+    homepage = "https://01.org/dleyna";
     maintainers = [ maintainers.jtojnar ];
     platforms = platforms.linux;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/dleyna-core/default.nix b/pkgs/development/libraries/dleyna-core/default.nix
index 9d83812fefb..1f0a9bc7c59 100644
--- a/pkgs/development/libraries/dleyna-core/default.nix
+++ b/pkgs/development/libraries/dleyna-core/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     # fix build with gupnp 1.2
     # https://github.com/intel/dleyna-core/pull/52
     (fetchpatch {
-      url = https://github.com/intel/dleyna-core/commit/41b2e56f67b6fc9c8c256b86957d281644b9b846.patch;
+      url = "https://github.com/intel/dleyna-core/commit/41b2e56f67b6fc9c8c256b86957d281644b9b846.patch";
       sha256 = "1h758cp65v7qyfpvyqdri7q0gwx85mhdpkb2y8waq735q5q9ib39";
     })
   ];
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library of utility functions that are used by the higher level dLeyna";
-    homepage = https://01.org/dleyna;
+    homepage = "https://01.org/dleyna";
     maintainers = [ maintainers.jtojnar ];
     platforms = platforms.linux;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/dleyna-renderer/default.nix b/pkgs/development/libraries/dleyna-renderer/default.nix
index 18244d83dee..6b14bbc611a 100644
--- a/pkgs/development/libraries/dleyna-renderer/default.nix
+++ b/pkgs/development/libraries/dleyna-renderer/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to discover and manipulate Digital Media Renderers";
-    homepage = https://01.org/dleyna;
+    homepage = "https://01.org/dleyna";
     maintainers = [ maintainers.jtojnar ];
     platforms = platforms.linux;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/dleyna-server/default.nix b/pkgs/development/libraries/dleyna-server/default.nix
index 4730d455950..90c4df8e641 100644
--- a/pkgs/development/libraries/dleyna-server/default.nix
+++ b/pkgs/development/libraries/dleyna-server/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     # fix build with gupnp 1.2
     # https://github.com/intel/dleyna-server/pull/161
     (fetchpatch {
-      url = https://github.com/intel/dleyna-server/commit/96c01c88363d6e5e9b7519bc4e8b5d86cf783e1f.patch;
+      url = "https://github.com/intel/dleyna-server/commit/96c01c88363d6e5e9b7519bc4e8b5d86cf783e1f.patch";
       sha256 = "0p8fn331x2whvn6skxqvfzilx0m0yx2q5mm2wh2625l396m3fzmm";
     })
   ];
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to discover, browse and manipulate Digital Media Servers";
-    homepage = https://01.org/dleyna;
+    homepage = "https://01.org/dleyna";
     maintainers = [ maintainers.jtojnar ];
     platforms = platforms.linux;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/dlib/default.nix b/pkgs/development/libraries/dlib/default.nix
index 6d6bef21f39..e4259e1686c 100644
--- a/pkgs/development/libraries/dlib/default.nix
+++ b/pkgs/development/libraries/dlib/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A general purpose cross-platform C++ machine learning library";
-    homepage = http://www.dlib.net;
+    homepage = "http://www.dlib.net";
     license = licenses.boost;
     maintainers = with maintainers; [ christopherpoole ma27 ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/docopt_cpp/default.nix b/pkgs/development/libraries/docopt_cpp/default.nix
index 59578ef796e..5c4e71a4f87 100644
--- a/pkgs/development/libraries/docopt_cpp/default.nix
+++ b/pkgs/development/libraries/docopt_cpp/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++11 port of docopt";
-    homepage = https://github.com/docopt/docopt.cpp;
+    homepage = "https://github.com/docopt/docopt.cpp";
     license = with licenses; [ mit boost ];
     platforms = platforms.all;
     maintainers = with maintainers; [ knedlsepp ];
diff --git a/pkgs/development/libraries/dotconf/default.nix b/pkgs/development/libraries/dotconf/default.nix
index a2b2e08fd62..f6320a64374 100644
--- a/pkgs/development/libraries/dotconf/default.nix
+++ b/pkgs/development/libraries/dotconf/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "A configuration parser library";
     maintainers = with maintainers; [ pSub ];
-    homepage = https://github.com/williamh/dotconf;
+    homepage = "https://github.com/williamh/dotconf";
     license = licenses.lgpl21Plus;
     platforms = with platforms; unix;
   };
diff --git a/pkgs/development/libraries/dqlite/default.nix b/pkgs/development/libraries/dqlite/default.nix
index 5f84440df45..131c22fccfb 100644
--- a/pkgs/development/libraries/dqlite/default.nix
+++ b/pkgs/development/libraries/dqlite/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
       Expose a SQLite database over the network and replicate it across a
       cluster of peers
     '';
-    homepage = https://github.com/CanonicalLtd/dqlite/;
+    homepage = "https://github.com/CanonicalLtd/dqlite/";
     license = licenses.asl20;
     maintainers = with maintainers; [ joko wucke13 ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/drumstick/default.nix b/pkgs/development/libraries/drumstick/default.nix
index 92c97436d7a..0d3e2913ce8 100644
--- a/pkgs/development/libraries/drumstick/default.nix
+++ b/pkgs/development/libraries/drumstick/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     maintainers = with maintainers; [ solson ];
     description = "MIDI libraries for Qt5/C++";
-    homepage = http://drumstick.sourceforge.net/;
+    homepage = "http://drumstick.sourceforge.net/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/dyncall/default.nix b/pkgs/development/libraries/dyncall/default.nix
index 83c754e2928..e792fe1e051 100644
--- a/pkgs/development/libraries/dyncall/default.nix
+++ b/pkgs/development/libraries/dyncall/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   version = "1.1";
 
   src = fetchurl {
-    url = https://www.dyncall.org/r1.1/dyncall-1.1.tar.gz;
+    url = "https://www.dyncall.org/r1.1/dyncall-1.1.tar.gz";
     # https://www.dyncall.org/r1.1/SHA256
     sha256 = "cf97fa3f142db832ff34235caa4d69a7d5f16716573d446b2d95069126e88795";
   };
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Highly dynamic multi-platform foreign function call interface library";
-    homepage = https://www.dyncall.org;
+    homepage = "https://www.dyncall.org";
     license = licenses.isc;
     maintainers = with maintainers; [ dtzWill ];
   };
diff --git a/pkgs/development/libraries/easyloggingpp/default.nix b/pkgs/development/libraries/easyloggingpp/default.nix
index 028cd221614..29fdd068959 100644
--- a/pkgs/development/libraries/easyloggingpp/default.nix
+++ b/pkgs/development/libraries/easyloggingpp/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
   meta = {
     description = "C++ logging library";
-    homepage = https://muflihun.github.io/easyloggingpp/;
+    homepage = "https://muflihun.github.io/easyloggingpp/";
     license = stdenv.lib.licenses.mit;
     maintainers = with stdenv.lib.maintainers; [acowley];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/eccodes/default.nix b/pkgs/development/libraries/eccodes/default.nix
index a9a77f6a9da..e3bed618630 100644
--- a/pkgs/development/libraries/eccodes/default.nix
+++ b/pkgs/development/libraries/eccodes/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = https://confluence.ecmwf.int/display/ECC/;
+    homepage = "https://confluence.ecmwf.int/display/ECC/";
     license = licenses.asl20;
     maintainers = with maintainers; [ knedlsepp ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/eclib/default.nix b/pkgs/development/libraries/eclib/default.nix
index 765e13fffb9..b6dfd429d75 100644
--- a/pkgs/development/libraries/eclib/default.nix
+++ b/pkgs/development/libraries/eclib/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     inherit version;
     description = ''Elliptic curve tools'';
-    homepage = https://github.com/JohnCremona/eclib;
+    homepage = "https://github.com/JohnCremona/eclib";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ raskin timokau ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/editline/default.nix b/pkgs/development/libraries/editline/default.nix
index f0c7c7d2064..835258d5bf2 100644
--- a/pkgs/development/libraries/editline/default.nix
+++ b/pkgs/development/libraries/editline/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" "man" "doc" ];
 
   meta = with stdenv.lib; {
-    homepage = http://troglobit.com/editline.html;
+    homepage = "http://troglobit.com/editline.html";
     description = "A readline() replacement for UNIX without termcap (ncurses)";
     license = licenses.bsdOriginal;
     maintainers = with maintainers; [ dtzWill ];
diff --git a/pkgs/development/libraries/egl-wayland/default.nix b/pkgs/development/libraries/egl-wayland/default.nix
index fa2c3687ba7..1509db1b80d 100644
--- a/pkgs/development/libraries/egl-wayland/default.nix
+++ b/pkgs/development/libraries/egl-wayland/default.nix
@@ -71,7 +71,7 @@ in stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "The EGLStream-based Wayland external platform";
-    homepage = https://github.com/NVIDIA/egl-wayland/;
+    homepage = "https://github.com/NVIDIA/egl-wayland/";
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ hedning ];
diff --git a/pkgs/development/libraries/elementary-cmake-modules/default.nix b/pkgs/development/libraries/elementary-cmake-modules/default.nix
index 13617d67bf5..1fbe6f8893b 100644
--- a/pkgs/development/libraries/elementary-cmake-modules/default.nix
+++ b/pkgs/development/libraries/elementary-cmake-modules/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = with lib; {
     platforms = platforms.linux ++ platforms.darwin;
-    homepage = https://github.com/elementary/cmake-modules;
+    homepage = "https://github.com/elementary/cmake-modules";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.samdroid-apps ];
   };
diff --git a/pkgs/development/libraries/embree/2.x.nix b/pkgs/development/libraries/embree/2.x.nix
index e968e09459a..d8e102a0d40 100644
--- a/pkgs/development/libraries/embree/2.x.nix
+++ b/pkgs/development/libraries/embree/2.x.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   buildInputs = [ pkgconfig cmake ispc tbb glfw openimageio libjpeg libpng libX11 libpthreadstubs ];
   meta = with stdenv.lib; {
     description = "High performance ray tracing kernels from Intel"; 
-    homepage = https://embree.github.io/;
+    homepage = "https://embree.github.io/";
     maintainers = with maintainers; [ hodapp ];
     license = licenses.asl20;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/enchant/1.x.nix b/pkgs/development/libraries/enchant/1.x.nix
index ed91f791149..0b7b4c9c8b1 100644
--- a/pkgs/development/libraries/enchant/1.x.nix
+++ b/pkgs/development/libraries/enchant/1.x.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Generic spell checking library";
-    homepage = https://abiword.github.io/enchant;
+    homepage = "https://abiword.github.io/enchant";
     platforms = platforms.unix;
     badPlatforms = [ "x86_64-darwin" ];
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/enet/default.nix b/pkgs/development/libraries/enet/default.nix
index bf6260ca766..90c312bb7a6 100644
--- a/pkgs/development/libraries/enet/default.nix
+++ b/pkgs/development/libraries/enet/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    homepage = http://enet.bespin.org/;
+    homepage = "http://enet.bespin.org/";
     description = "Simple and robust network communication layer on top of UDP";
     license = stdenv.lib.licenses.mit;
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/epoxy/default.nix b/pkgs/development/libraries/epoxy/default.nix
index 1009f7ae708..15e634fe4b5 100644
--- a/pkgs/development/libraries/epoxy/default.nix
+++ b/pkgs/development/libraries/epoxy/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for handling OpenGL function pointer management";
-    homepage = https://github.com/anholt/libepoxy;
+    homepage = "https://github.com/anholt/libepoxy";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/ethash/default.nix b/pkgs/development/libraries/ethash/default.nix
index 5db6c3808e1..3522ff231ab 100644
--- a/pkgs/development/libraries/ethash/default.nix
+++ b/pkgs/development/libraries/ethash/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "PoW algorithm for Ethereum 1.0 based on Dagger-Hashimoto";
-    homepage = https://github.com/ethereum/ethash;
+    homepage = "https://github.com/ethereum/ethash";
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ nand0p ];
     license = licenses.asl20;
diff --git a/pkgs/development/libraries/eventlog/default.nix b/pkgs/development/libraries/eventlog/default.nix
index 838693ba12d..d80fdb2213d 100644
--- a/pkgs/development/libraries/eventlog/default.nix
+++ b/pkgs/development/libraries/eventlog/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
       Where you had a simple non-structrured string in syslog() you have a
       combination of description and tag/value pairs.
     '';
-    homepage = https://www.balabit.com/support/community/products/;
+    homepage = "https://www.balabit.com/support/community/products/";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/exiv2/default.nix b/pkgs/development/libraries/exiv2/default.nix
index 819f94cc44f..a192a4c2cab 100644
--- a/pkgs/development/libraries/exiv2/default.nix
+++ b/pkgs/development/libraries/exiv2/default.nix
@@ -110,7 +110,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.exiv2.org/;
+    homepage = "https://www.exiv2.org/";
     description = "A library and command-line utility to manage image metadata";
     platforms = platforms.all;
     license = licenses.gpl2Plus;
diff --git a/pkgs/development/libraries/expat/default.nix b/pkgs/development/libraries/expat/default.nix
index bb86ac57832..94aee7749ce 100644
--- a/pkgs/development/libraries/expat/default.nix
+++ b/pkgs/development/libraries/expat/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.libexpat.org/;
+    homepage = "http://www.libexpat.org/";
     description = "A stream-oriented XML parser library written in C";
     platforms = platforms.all;
     license = licenses.mit; # expat version
diff --git a/pkgs/development/libraries/faac/default.nix b/pkgs/development/libraries/faac/default.nix
index 7a5afd8e801..0f3cb9b27b9 100644
--- a/pkgs/development/libraries/faac/default.nix
+++ b/pkgs/development/libraries/faac/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Open source MPEG-4 and MPEG-2 AAC encoder";
-    homepage    = https://www.audiocoding.com/faac.html;
+    homepage    = "https://www.audiocoding.com/faac.html";
     license     = licenses.unfreeRedistributable;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/faad2/default.nix b/pkgs/development/libraries/faad2/default.nix
index 29c0252482e..1a6d67ba805 100644
--- a/pkgs/development/libraries/faad2/default.nix
+++ b/pkgs/development/libraries/faad2/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An open source MPEG-4 and MPEG-2 AAC decoder";
-    homepage    = https://www.audiocoding.com/faad2.html;
+    homepage    = "https://www.audiocoding.com/faad2.html";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/fastjson/default.nix b/pkgs/development/libraries/fastjson/default.nix
index 75d9146c335..f1bd647b06d 100644
--- a/pkgs/development/libraries/fastjson/default.nix
+++ b/pkgs/development/libraries/fastjson/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A fast json library for C";
-    homepage = https://github.com/rsyslog/libfastjson;
+    homepage = "https://github.com/rsyslog/libfastjson";
     license = licenses.mit;
     maintainers = with maintainers; [ nequissimus ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/fastpbkdf2/default.nix b/pkgs/development/libraries/fastpbkdf2/default.nix
index e781e2aab83..59056a9b9a3 100644
--- a/pkgs/development/libraries/fastpbkdf2/default.nix
+++ b/pkgs/development/libraries/fastpbkdf2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A fast PBKDF2-HMAC-{SHA1,SHA256,SHA512} implementation in C";
-    homepage = https://github.com/ctz/fastpbkdf2;
+    homepage = "https://github.com/ctz/fastpbkdf2";
     license = licenses.cc0;
     maintainers = with maintainers; [ ledif ];
   };
diff --git a/pkgs/development/libraries/fcgi/default.nix b/pkgs/development/libraries/fcgi/default.nix
index 0f580e3cd2b..bde1682e3fc 100644
--- a/pkgs/development/libraries/fcgi/default.nix
+++ b/pkgs/development/libraries/fcgi/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A language independent, scalable, open extension to CG";
-    homepage = http://www.fastcgi.com/;
+    homepage = "http://www.fastcgi.com/";
     license = "FastCGI see LICENSE.TERMS";
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/fcppt/default.nix b/pkgs/development/libraries/fcppt/default.nix
index 77e26f6b5dc..21a2b23f414 100644
--- a/pkgs/development/libraries/fcppt/default.nix
+++ b/pkgs/development/libraries/fcppt/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
       programming (which is both efficient and syntactically affordable in
       C++11).
     '';
-    homepage = https://fcppt.org;
+    homepage = "https://fcppt.org";
     license = licenses.boost;
     maintainers = with maintainers; [ pmiddend ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/fdk-aac/default.nix b/pkgs/development/libraries/fdk-aac/default.nix
index 16560f19c86..53967381570 100644
--- a/pkgs/development/libraries/fdk-aac/default.nix
+++ b/pkgs/development/libraries/fdk-aac/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A high-quality implementation of the AAC codec from Android";
-    homepage    = https://sourceforge.net/projects/opencore-amr/;
+    homepage    = "https://sourceforge.net/projects/opencore-amr/";
     license     = licenses.asl20;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/fflas-ffpack/default.nix b/pkgs/development/libraries/fflas-ffpack/default.nix
index b7d5d79544e..44267dfeceb 100644
--- a/pkgs/development/libraries/fflas-ffpack/default.nix
+++ b/pkgs/development/libraries/fflas-ffpack/default.nix
@@ -49,6 +49,6 @@ stdenv.mkDerivation rec {
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ raskin timokau ];
     platforms = platforms.unix;
-    homepage = https://linbox-team.github.io/fflas-ffpack/;
+    homepage = "https://linbox-team.github.io/fflas-ffpack/";
   };
 }
diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index 214da206f56..120a309b656 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -448,7 +448,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A complete, cross-platform solution to record, convert and stream audio and video";
-    homepage = https://www.ffmpeg.org/;
+    homepage = "https://www.ffmpeg.org/";
     longDescription = ''
       FFmpeg is the leading multimedia framework, able to decode, encode, transcode,
       mux, demux, stream, filter and play pretty much anything that humans and machines
diff --git a/pkgs/development/libraries/ffmpeg-sixel/default.nix b/pkgs/development/libraries/ffmpeg-sixel/default.nix
index f5ef8e850dd..049ef32b72f 100644
--- a/pkgs/development/libraries/ffmpeg-sixel/default.nix
+++ b/pkgs/development/libraries/ffmpeg-sixel/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A complete, cross-platform solution to record, convert and stream audio and video, extended to support console graphics";
-    homepage = http://www.ffmpeg.org/;
+    homepage = "http://www.ffmpeg.org/";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ vrthra ];
diff --git a/pkgs/development/libraries/ffmpeg/generic.nix b/pkgs/development/libraries/ffmpeg/generic.nix
index bc423dbd7ca..f56447668ea 100644
--- a/pkgs/development/libraries/ffmpeg/generic.nix
+++ b/pkgs/development/libraries/ffmpeg/generic.nix
@@ -212,7 +212,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A complete, cross-platform solution to record, convert and stream audio and video";
-    homepage = http://www.ffmpeg.org/;
+    homepage = "http://www.ffmpeg.org/";
     longDescription = ''
       FFmpeg is the leading multimedia framework, able to decode, encode, transcode,
       mux, demux, stream, filter and play pretty much anything that humans and machines
diff --git a/pkgs/development/libraries/ffmpegthumbnailer/default.nix b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
index 6f5b1840c24..82a30337348 100644
--- a/pkgs/development/libraries/ffmpegthumbnailer/default.nix
+++ b/pkgs/development/libraries/ffmpegthumbnailer/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ ffmpeg libpng libjpeg ];
 
   meta = with stdenv.lib;  {
-    homepage = https://github.com/dirkvdb/ffmpegthumbnailer;
+    homepage = "https://github.com/dirkvdb/ffmpegthumbnailer";
     description = "A lightweight video thumbnailer";
     longDescription = "FFmpegthumbnailer is a lightweight video 
         thumbnailer that can be used by file managers to create thumbnails
diff --git a/pkgs/development/libraries/ffms/default.nix b/pkgs/development/libraries/ffms/default.nix
index 30fb94aa248..5a87402e0d9 100644
--- a/pkgs/development/libraries/ffms/default.nix
+++ b/pkgs/development/libraries/ffms/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/FFMS/ffms2/;
+    homepage = "https://github.com/FFMS/ffms2/";
     description = "Libav/ffmpeg based source library for easy frame accurate access";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/development/libraries/fftw/default.nix b/pkgs/development/libraries/fftw/default.nix
index fcbcde74538..ba7e86747a7 100644
--- a/pkgs/development/libraries/fftw/default.nix
+++ b/pkgs/development/libraries/fftw/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Fastest Fourier Transform in the West library";
-    homepage = http://www.fftw.org/;
+    homepage = "http://www.fftw.org/";
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.spwhitt ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/flann/default.nix b/pkgs/development/libraries/flann/default.nix
index a25f3ea04e2..f65d283fd1d 100644
--- a/pkgs/development/libraries/flann/default.nix
+++ b/pkgs/development/libraries/flann/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   buildInputs = [ unzip cmake python ];
 
   meta = {
-    homepage = http://people.cs.ubc.ca/~mariusm/flann/;
+    homepage = "http://people.cs.ubc.ca/~mariusm/flann/";
     license = stdenv.lib.licenses.bsd3;
     description = "Fast approximate nearest neighbor searches in high dimensional spaces";
     maintainers = with stdenv.lib.maintainers; [viric];
diff --git a/pkgs/development/libraries/flatbuffers/default.nix b/pkgs/development/libraries/flatbuffers/default.nix
index 11e86703616..fecd54e0ef5 100644
--- a/pkgs/development/libraries/flatbuffers/default.nix
+++ b/pkgs/development/libraries/flatbuffers/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation (rec {
     maintainers = [ stdenv.lib.maintainers.teh ];
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
-    homepage = https://google.github.io/flatbuffers/;
+    homepage = "https://google.github.io/flatbuffers/";
   };
 } // stdenv.lib.optionalAttrs stdenv.hostPlatform.isMusl {
   # Remove when updating to the next version.
diff --git a/pkgs/development/libraries/flatcc/default.nix b/pkgs/development/libraries/flatcc/default.nix
index d49f6d110de..6239dba2836 100644
--- a/pkgs/development/libraries/flatcc/default.nix
+++ b/pkgs/development/libraries/flatcc/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "FlatBuffers Compiler and Library in C for C ";
-    homepage = https://github.com/dvidelabs/flatcc;
+    homepage = "https://github.com/dvidelabs/flatcc";
     license = [ stdenv.lib.licenses.asl20 ];
   };
 }
diff --git a/pkgs/development/libraries/flint/default.nix b/pkgs/development/libraries/flint/default.nix
index 462d186c72d..48d7735498c 100644
--- a/pkgs/development/libraries/flint/default.nix
+++ b/pkgs/development/libraries/flint/default.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.unix;
-    homepage = http://www.flintlib.org/;
+    homepage = "http://www.flintlib.org/";
     downloadPage = "http://www.flintlib.org/downloads.html";
     updateWalker = true;
   };
diff --git a/pkgs/development/libraries/flite/default.nix b/pkgs/development/libraries/flite/default.nix
index 4ac8150274c..f9e4720f643 100644
--- a/pkgs/development/libraries/flite/default.nix
+++ b/pkgs/development/libraries/flite/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A small, fast run-time speech synthesis engine";
-    homepage = http://www.festvox.org/flite/;
+    homepage = "http://www.festvox.org/flite/";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/fltk/1.4.nix b/pkgs/development/libraries/fltk/1.4.nix
index 1fe50b402cb..c40a75edc09 100644
--- a/pkgs/development/libraries/fltk/1.4.nix
+++ b/pkgs/development/libraries/fltk/1.4.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A C++ cross-platform lightweight GUI library";
-    homepage = https://www.fltk.org;
+    homepage = "https://www.fltk.org";
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/fltk/default.nix b/pkgs/development/libraries/fltk/default.nix
index fe7de504b4f..ad4736533cf 100644
--- a/pkgs/development/libraries/fltk/default.nix
+++ b/pkgs/development/libraries/fltk/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A C++ cross-platform lightweight GUI library";
-    homepage = https://www.fltk.org;
+    homepage = "https://www.fltk.org";
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/fmt/default.nix b/pkgs/development/libraries/fmt/default.nix
index 6eb6289d376..17aab0c8a34 100644
--- a/pkgs/development/libraries/fmt/default.nix
+++ b/pkgs/development/libraries/fmt/default.nix
@@ -28,8 +28,8 @@ stdenv.mkDerivation rec {
       fmt (formerly cppformat) is an open-source formatting library. It can be
       used as a fast and safe alternative to printf and IOStreams.
     '';
-    homepage = http://fmtlib.net/;
-    downloadPage = https://github.com/fmtlib/fmt/;
+    homepage = "http://fmtlib.net/";
+    downloadPage = "https://github.com/fmtlib/fmt/";
     maintainers = [ maintainers.jdehaas ];
     license = licenses.bsd2;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/folks/default.nix b/pkgs/development/libraries/folks/default.nix
index d44f279d8de..ca66e03dfa4 100644
--- a/pkgs/development/libraries/folks/default.nix
+++ b/pkgs/development/libraries/folks/default.nix
@@ -106,7 +106,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library that aggregates people from multiple sources to create metacontacts";
-    homepage = https://wiki.gnome.org/Projects/Folks;
+    homepage = "https://wiki.gnome.org/Projects/Folks";
     license = licenses.lgpl2Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.gnu ++ platforms.linux;  # arbitrary choice
diff --git a/pkgs/development/libraries/folly/default.nix b/pkgs/development/libraries/folly/default.nix
index 15f29ce77f5..be648cf5a84 100644
--- a/pkgs/development/libraries/folly/default.nix
+++ b/pkgs/development/libraries/folly/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open-source C++ library developed and used at Facebook";
-    homepage = https://github.com/facebook/folly;
+    homepage = "https://github.com/facebook/folly";
     license = licenses.asl20;
     # 32bit is not supported: https://github.com/facebook/folly/issues/103
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
diff --git a/pkgs/development/libraries/fontconfig/2.10.nix b/pkgs/development/libraries/fontconfig/2.10.nix
index 635baff796b..f4cc2989245 100644
--- a/pkgs/development/libraries/fontconfig/2.10.nix
+++ b/pkgs/development/libraries/fontconfig/2.10.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for font customization and configuration";
-    homepage = http://fontconfig.org/;
+    homepage = "http://fontconfig.org/";
     license = licenses.bsd2; # custom but very bsd-like
     platforms = platforms.all;
     maintainers = [ maintainers.vcunat ];
diff --git a/pkgs/development/libraries/fontconfig/default.nix b/pkgs/development/libraries/fontconfig/default.nix
index 617e058bd8f..0518cb257ab 100644
--- a/pkgs/development/libraries/fontconfig/default.nix
+++ b/pkgs/development/libraries/fontconfig/default.nix
@@ -74,7 +74,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for font customization and configuration";
-    homepage = http://fontconfig.org/;
+    homepage = "http://fontconfig.org/";
     license = licenses.bsd2; # custom but very bsd-like
     platforms = platforms.all;
     maintainers = [ maintainers.vcunat ];
diff --git a/pkgs/development/libraries/fox/default.nix b/pkgs/development/libraries/fox/default.nix
index fa4a8c23e2f..5dacf53b259 100644
--- a/pkgs/development/libraries/fox/default.nix
+++ b/pkgs/development/libraries/fox/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       Initially, it was developed for LINUX, but the scope of this project has in the course of time become somewhat more ambitious.
       Current aims are to make FOX completely platform independent, and thus programs written against the FOX library will be only a compile away from running on a variety of platforms.
     '';
-    homepage = http://fox-toolkit.org;
+    homepage = "http://fox-toolkit.org";
     license = licenses.lgpl3;
     maintainers = [];
     broken = stdenv.isDarwin;
diff --git a/pkgs/development/libraries/fox/fox-1.6.nix b/pkgs/development/libraries/fox/fox-1.6.nix
index bb59a34b1cc..208780a450e 100644
--- a/pkgs/development/libraries/fox/fox-1.6.nix
+++ b/pkgs/development/libraries/fox/fox-1.6.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
         Initially, it was developed for LINUX, but the scope of this project has in the course of time become somewhat more ambitious.
         Current aims are to make FOX completely platform independent, and thus programs written against the FOX library will be only a compile away from running on a variety of platforms.
       '';
-    homepage = http://fox-toolkit.org;
+    homepage = "http://fox-toolkit.org";
     license = stdenv.lib.licenses.lgpl3;
     maintainers = [];
     platforms = stdenv.lib.platforms.mesaPlatforms;
diff --git a/pkgs/development/libraries/frame/default.nix b/pkgs/development/libraries/frame/default.nix
index feccfd1bfd2..f266f07a631 100644
--- a/pkgs/development/libraries/frame/default.nix
+++ b/pkgs/development/libraries/frame/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   configureFlags = stdenv.lib.optional enableX11 "--with-x11";
 
   meta = {
-    homepage = https://launchpad.net/frame;
+    homepage = "https://launchpad.net/frame";
     description = "Handles the buildup and synchronization of a set of simultaneous touches";
     license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/freealut/default.nix b/pkgs/development/libraries/freealut/default.nix
index c6ea5bbd23b..2c9a893284b 100644
--- a/pkgs/development/libraries/freealut/default.nix
+++ b/pkgs/development/libraries/freealut/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   ;
 
   meta = {
-    homepage = http://openal.org/;
+    homepage = "http://openal.org/";
     description = "Free implementation of OpenAL's ALUT standard";
     license = stdenv.lib.licenses.lgpl2;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/freeglut/default.nix b/pkgs/development/libraries/freeglut/default.nix
index 16c35347bc5..d23147095fc 100644
--- a/pkgs/development/libraries/freeglut/default.nix
+++ b/pkgs/development/libraries/freeglut/default.nix
@@ -34,7 +34,7 @@ in stdenv.mkDerivation {
       intended to be a full replacement for GLUT, and has only a few
       differences.
     '';
-    homepage = http://freeglut.sourceforge.net/;
+    homepage = "http://freeglut.sourceforge.net/";
     license = licenses.mit;
     platforms = platforms.all;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/freeimage/default.nix b/pkgs/development/libraries/freeimage/default.nix
index 188543bf7bf..878299f725a 100644
--- a/pkgs/development/libraries/freeimage/default.nix
+++ b/pkgs/development/libraries/freeimage/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "freeimage-3.18.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/freeimage/FreeImage3180.zip;
+    url = "mirror://sourceforge/freeimage/FreeImage3180.zip";
     sha256 = "1z9qwi9mlq69d5jipr3v2jika2g0kszqdzilggm99nls5xl7j4zl";
   };
 
@@ -46,7 +46,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Open Source library for accessing popular graphics image file formats";
-    homepage = http://freeimage.sourceforge.net/;
+    homepage = "http://freeimage.sourceforge.net/";
     license = "GPL";
     maintainers = with lib.maintainers; [viric];
     platforms = with lib.platforms; unix;
diff --git a/pkgs/development/libraries/freenect/default.nix b/pkgs/development/libraries/freenect/default.nix
index 64c01718542..25a53f7601a 100644
--- a/pkgs/development/libraries/freenect/default.nix
+++ b/pkgs/development/libraries/freenect/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Drivers and libraries for the Xbox Kinect device on Windows, Linux, and macOS";
     inherit version;
-    homepage = http://openkinect.org;
+    homepage = "http://openkinect.org";
     license = with lib.licenses; [ gpl2 asl20 ];
     maintainers = with lib.maintainers; [ bennofs ];
     platforms = with lib.platforms; linux ++ darwin ;
diff --git a/pkgs/development/libraries/freetds/default.nix b/pkgs/development/libraries/freetds/default.nix
index 52c3f047c19..89ea40c1c65 100644
--- a/pkgs/development/libraries/freetds/default.nix
+++ b/pkgs/development/libraries/freetds/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Libraries to natively talk to Microsoft SQL Server and Sybase databases";
-    homepage    = https://www.freetds.org;
+    homepage    = "https://www.freetds.org";
     license     = licenses.lgpl2;
     maintainers = with maintainers; [ peterhoeg ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/freetts/default.nix b/pkgs/development/libraries/freetts/default.nix
index 8c6f60b9801..f7a605ea872 100644
--- a/pkgs/development/libraries/freetts/default.nix
+++ b/pkgs/development/libraries/freetts/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "freetts-1.2.2";
   src = fetchurl {
-    url = mirror://sourceforge/freetts/freetts-1.2.2-src.zip;
+    url = "mirror://sourceforge/freetts/freetts-1.2.2-src.zip";
     sha256 = "0mnikqhpf4f4jdr0irmibr8yy0dnffx1i257y22iamxi7a6by2r7";
   };
   buildInputs = [ apacheAnt unzip sharutils jdk ];
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
       Can be used in combination with KDE accessibility.
     '';
     license = "GPL";
-    homepage = http://freetts.sourceforge.net;
+    homepage = "http://freetts.sourceforge.net";
     maintainers = [ lib.maintainers.sander ];
   };
 }
diff --git a/pkgs/development/libraries/freetype/default.nix b/pkgs/development/libraries/freetype/default.nix
index 6eaf1bbcc2f..408578d9c93 100644
--- a/pkgs/development/libraries/freetype/default.nix
+++ b/pkgs/development/libraries/freetype/default.nix
@@ -25,7 +25,7 @@ in stdenv.mkDerivation rec {
       autofit which can be used instead of hinting instructions included in
       fonts.
     '';
-    homepage = https://www.freetype.org/;
+    homepage = "https://www.freetype.org/";
     license = licenses.gpl2Plus; # or the FreeType License (BSD + advertising clause)
     platforms = platforms.all;
     maintainers = with maintainers; [ ttuegel ];
diff --git a/pkgs/development/libraries/frei0r/default.nix b/pkgs/development/libraries/frei0r/default.nix
index 560855c908b..2dc7275559d 100644
--- a/pkgs/development/libraries/frei0r/default.nix
+++ b/pkgs/development/libraries/frei0r/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://frei0r.dyne.org;
+    homepage = "https://frei0r.dyne.org";
     description = "Minimalist, cross-platform, shared video plugins";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/fribidi/default.nix b/pkgs/development/libraries/fribidi/default.nix
index 3b0b30f573b..35ae4c8e6ca 100644
--- a/pkgs/development/libraries/fribidi/default.nix
+++ b/pkgs/development/libraries/fribidi/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   checkInputs = [ python3 ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/fribidi/fribidi;
+    homepage = "https://github.com/fribidi/fribidi";
     description = "GNU implementation of the Unicode Bidirectional Algorithm (bidi)";
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/fstrcmp/default.nix b/pkgs/development/libraries/fstrcmp/default.nix
index 5e8197d5e81..732cd68551b 100644
--- a/pkgs/development/libraries/fstrcmp/default.nix
+++ b/pkgs/development/libraries/fstrcmp/default.nix
@@ -22,8 +22,8 @@ stdenv.mkDerivation rec {
       comparisons of strings and byte arrays, including multi-byte character
       strings.
     '';
-    homepage = http://fstrcmp.sourceforge.net/;
-    downloadPage = https://sourceforge.net/projects/fstrcmp/;
+    homepage = "http://fstrcmp.sourceforge.net/";
+    downloadPage = "https://sourceforge.net/projects/fstrcmp/";
     license = licenses.gpl3;
     maintainers = [ maintainers.sephalon ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/fstrm/default.nix b/pkgs/development/libraries/fstrm/default.nix
index 40ffe6918a4..7b1adb3e3f0 100644
--- a/pkgs/development/libraries/fstrm/default.nix
+++ b/pkgs/development/libraries/fstrm/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Frame Streams implementation in C";
-    homepage = https://github.com/farsightsec/fstrm;
+    homepage = "https://github.com/farsightsec/fstrm";
     license = licenses.asl20;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/ftgl/default.nix b/pkgs/development/libraries/ftgl/default.nix
index a99228efcf4..21be623314f 100644
--- a/pkgs/development/libraries/ftgl/default.nix
+++ b/pkgs/development/libraries/ftgl/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://sourceforge.net/apps/mediawiki/ftgl/;
+    homepage = "https://sourceforge.net/apps/mediawiki/ftgl/";
     description = "Font rendering library for OpenGL applications";
     license = stdenv.lib.licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/funambol/default.nix b/pkgs/development/libraries/funambol/default.nix
index 04903cc5e9e..064dbb39a2f 100644
--- a/pkgs/development/libraries/funambol/default.nix
+++ b/pkgs/development/libraries/funambol/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "funambol-client-cpp-9.0.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/funambol/funambol-client-sdk-9.0.0.zip;
+    url = "mirror://sourceforge/funambol/funambol-client-sdk-9.0.0.zip";
     sha256 = "1667gahz30i5r8kbv7w415z0hbgm6f6pln1137l5skapi1if6r73";
   };
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "SyncML client sdk by Funambol project";
-    homepage = http://www.funambol.com;
+    homepage = "http://www.funambol.com";
     license = licenses.agpl3;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/gamin/default.nix b/pkgs/development/libraries/gamin/default.nix
index 611c9faa851..b1be17abf37 100644
--- a/pkgs/development/libraries/gamin/default.nix
+++ b/pkgs/development/libraries/gamin/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation (rec {
 
 
   meta = with stdenv.lib; {
-    homepage    = https://people.gnome.org/~veillard/gamin/;
+    homepage    = "https://people.gnome.org/~veillard/gamin/";
     description = "A file and directory monitoring system";
     maintainers = with maintainers; [ lovek323 ];
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/ganv/default.nix b/pkgs/development/libraries/ganv/default.nix
index a883b2c1d10..cf9b0486304 100644
--- a/pkgs/development/libraries/ganv/default.nix
+++ b/pkgs/development/libraries/ganv/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An interactive Gtk canvas widget for graph-based interfaces";
-    homepage = http://drobilla.net;
+    homepage = "http://drobilla.net";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gbenchmark/default.nix b/pkgs/development/libraries/gbenchmark/default.nix
index a990da4b010..cafbe116b1c 100644
--- a/pkgs/development/libraries/gbenchmark/default.nix
+++ b/pkgs/development/libraries/gbenchmark/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A microbenchmark support library";
-    homepage = https://github.com/google/benchmark;
+    homepage = "https://github.com/google/benchmark";
     license = licenses.asl20;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/gcc/libstdc++/5.nix b/pkgs/development/libraries/gcc/libstdc++/5.nix
index 2589b6cfa16..2a11d835a6b 100644
--- a/pkgs/development/libraries/gcc/libstdc++/5.nix
+++ b/pkgs/development/libraries/gcc/libstdc++/5.nix
@@ -108,7 +108,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://gcc.gnu.org/;
+    homepage = "https://gcc.gnu.org/";
     license = licenses.lgpl3Plus;
     description = "GNU Compiler Collection, version ${version} -- C++ standard library";
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gd/default.nix b/pkgs/development/libraries/gd/default.nix
index 6f57d735980..be1e8f433f3 100644
--- a/pkgs/development/libraries/gd/default.nix
+++ b/pkgs/development/libraries/gd/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails 2 tests
 
   meta = with stdenv.lib; {
-    homepage = https://libgd.github.io/;
+    homepage = "https://libgd.github.io/";
     description = "A dynamic image creation library";
     license = licenses.free; # some custom license
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gdal/2.4.0.nix b/pkgs/development/libraries/gdal/2.4.0.nix
index f914a112e10..201bec30e22 100644
--- a/pkgs/development/libraries/gdal/2.4.0.nix
+++ b/pkgs/development/libraries/gdal/2.4.0.nix
@@ -96,7 +96,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Translator library for raster geospatial data formats";
-    homepage = https://www.gdal.org/;
+    homepage = "https://www.gdal.org/";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/gdal/gdal-1_11.nix b/pkgs/development/libraries/gdal/gdal-1_11.nix
index 6a086d9c998..3695407b8f2 100644
--- a/pkgs/development/libraries/gdal/gdal-1_11.nix
+++ b/pkgs/development/libraries/gdal/gdal-1_11.nix
@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Translator library for raster geospatial data formats";
-    homepage = https://www.gdal.org/;
+    homepage = "https://www.gdal.org/";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/gdata-sharp/default.nix b/pkgs/development/libraries/gdata-sharp/default.nix
index 58036351a09..893fc4f8d27 100644
--- a/pkgs/development/libraries/gdata-sharp/default.nix
+++ b/pkgs/development/libraries/gdata-sharp/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation {
   makeFlags = [ "PREFIX=$(out)" ];
 
   meta = with stdenv.lib; {
-    homepage = https://code.google.com/archive/p/google-gdata/;
+    homepage = "https://code.google.com/archive/p/google-gdata/";
 
     description = "The Google Data APIs";
     longDescription = ''
diff --git a/pkgs/development/libraries/gdbm/default.nix b/pkgs/development/libraries/gdbm/default.nix
index 830a311db70..6cee01e799e 100644
--- a/pkgs/development/libraries/gdbm/default.nix
+++ b/pkgs/development/libraries/gdbm/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
        For compatibility with programs using old UNIX dbm function, the
        package also provides traditional dbm and ndbm interfaces.
       '';
-    homepage = https://www.gnu.org/software/gdbm/;
+    homepage = "https://www.gnu.org/software/gdbm/";
     license = licenses.gpl3Plus;
     platforms = platforms.all;
     maintainers = [ maintainers.vrthra ];
diff --git a/pkgs/development/libraries/gdcm/default.nix b/pkgs/development/libraries/gdcm/default.nix
index a227245f6db..165fe3a2528 100644
--- a/pkgs/development/libraries/gdcm/default.nix
+++ b/pkgs/development/libraries/gdcm/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       Grassroots DICOM (GDCM) is an implementation of the DICOM standard designed to be open source so that researchers may access clinical data directly.
       GDCM includes a file format definition and a network communications protocol, both of which should be extended to provide a full set of tools for a researcher or small medical imaging vendor to interface with an existing medical database.
     '';
-    homepage = http://gdcm.sourceforge.net/;
+    homepage = "http://gdcm.sourceforge.net/";
     license = with licenses; [ bsd3 asl20 ];
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/gdk-pixbuf/default.nix b/pkgs/development/libraries/gdk-pixbuf/default.nix
index 0ecbb35c167..b45b578eac0 100644
--- a/pkgs/development/libraries/gdk-pixbuf/default.nix
+++ b/pkgs/development/libraries/gdk-pixbuf/default.nix
@@ -102,7 +102,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for image loading and manipulation";
-    homepage = http://library.gnome.org/devel/gdk-pixbuf/;
+    homepage = "http://library.gnome.org/devel/gdk-pixbuf/";
     maintainers = [ maintainers.eelco ];
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gdl/default.nix b/pkgs/development/libraries/gdl/default.nix
index c4baaa3fae9..45739de8a9c 100644
--- a/pkgs/development/libraries/gdl/default.nix
+++ b/pkgs/development/libraries/gdl/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Gnome docking library";
-    homepage = https://developer.gnome.org/gdl/;
+    homepage = "https://developer.gnome.org/gdl/";
     maintainers = gnome3.maintainers;
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gdome2/default.nix b/pkgs/development/libraries/gdome2/default.nix
index e8982c4b70a..e38cb7535b0 100644
--- a/pkgs/development/libraries/gdome2/default.nix
+++ b/pkgs/development/libraries/gdome2/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   patches = [ ./xml-document.patch ];
 
   meta = with stdenv.lib; {
-    homepage = http://gdome2.cs.unibo.it/;
+    homepage = "http://gdome2.cs.unibo.it/";
     description = "DOM C library developed for the Gnome project";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ prikhi roconnor ];
diff --git a/pkgs/development/libraries/gecode/3.nix b/pkgs/development/libraries/gecode/3.nix
index 0d96b9b5a92..545bdd12982 100644
--- a/pkgs/development/libraries/gecode/3.nix
+++ b/pkgs/development/libraries/gecode/3.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     license = licenses.mit;
-    homepage = https://www.gecode.org;
+    homepage = "https://www.gecode.org";
     description = "Toolkit for developing constraint-based systems";
     platforms = platforms.all;
     maintainers = [ maintainers.manveru ];
diff --git a/pkgs/development/libraries/gecode/default.nix b/pkgs/development/libraries/gecode/default.nix
index 454e811447a..9d37199bff4 100644
--- a/pkgs/development/libraries/gecode/default.nix
+++ b/pkgs/development/libraries/gecode/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     license = licenses.mit;
-    homepage = https://www.gecode.org;
+    homepage = "https://www.gecode.org";
     description = "Toolkit for developing constraint-based systems";
     platforms = platforms.all;
     maintainers = [ ];
diff --git a/pkgs/development/libraries/gegl/4.0.nix b/pkgs/development/libraries/gegl/4.0.nix
index 803cf853be1..858596597b1 100644
--- a/pkgs/development/libraries/gegl/4.0.nix
+++ b/pkgs/development/libraries/gegl/4.0.nix
@@ -116,7 +116,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Graph-based image processing framework";
-    homepage = http://www.gegl.org;
+    homepage = "http://www.gegl.org";
     license = licenses.gpl3;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gegl/default.nix b/pkgs/development/libraries/gegl/default.nix
index e90cc257e7e..1b864317217 100644
--- a/pkgs/development/libraries/gegl/default.nix
+++ b/pkgs/development/libraries/gegl/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Graph-based image processing framework";
-    homepage = http://www.gegl.org;
+    homepage = "http://www.gegl.org";
     license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/geis/default.nix b/pkgs/development/libraries/geis/default.nix
index 1b3d5ba4b7c..fd3924fec3e 100644
--- a/pkgs/development/libraries/geis/default.nix
+++ b/pkgs/development/libraries/geis/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for input gesture recognition";
-    homepage = https://launchpad.net/geis;
+    homepage = "https://launchpad.net/geis";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/geos/default.nix b/pkgs/development/libraries/geos/default.nix
index b8e056edb41..be0edab3155 100644
--- a/pkgs/development/libraries/geos/default.nix
+++ b/pkgs/development/libraries/geos/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ port of the Java Topology Suite (JTS)";
-    homepage = https://trac.osgeo.org/geos;
+    homepage = "https://trac.osgeo.org/geos";
     license = licenses.lgpl21;
   };
 }
diff --git a/pkgs/development/libraries/getdata/default.nix b/pkgs/development/libraries/getdata/default.nix
index 0e0477cd24d..28bbe61d53d 100644
--- a/pkgs/development/libraries/getdata/default.nix
+++ b/pkgs/development/libraries/getdata/default.nix
@@ -14,6 +14,6 @@ stdenv.mkDerivation rec {
     license = licenses.lgpl21Plus;
     platforms = platforms.all;
     maintainers = [ maintainers.vbgl ];
-    homepage = http://getdata.sourceforge.net/;
+    homepage = "http://getdata.sourceforge.net/";
   };
 }
diff --git a/pkgs/development/libraries/gettext/default.nix b/pkgs/development/libraries/gettext/default.nix
index c28afa17418..6adc147c6ac 100644
--- a/pkgs/development/libraries/gettext/default.nix
+++ b/pkgs/development/libraries/gettext/default.nix
@@ -82,7 +82,7 @@ stdenv.mkDerivation rec {
       GNU packages produce multi-lingual messages.
     '';
 
-    homepage = https://www.gnu.org/software/gettext/;
+    homepage = "https://www.gnu.org/software/gettext/";
 
     maintainers = with maintainers; [ zimbatm vrthra ];
     license = licenses.gpl2Plus;
diff --git a/pkgs/development/libraries/gexiv2/default.nix b/pkgs/development/libraries/gexiv2/default.nix
index 7203f8531c2..670533e7231 100644
--- a/pkgs/development/libraries/gexiv2/default.nix
+++ b/pkgs/development/libraries/gexiv2/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/gexiv2;
+    homepage = "https://wiki.gnome.org/Projects/gexiv2";
     description = "GObject wrapper around the Exiv2 photo metadata library";
     license = licenses.gpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gf2x/default.nix b/pkgs/development/libraries/gf2x/default.nix
index 4697f28bb9f..2409ee314d6 100644
--- a/pkgs/development/libraries/gf2x/default.nix
+++ b/pkgs/development/libraries/gf2x/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = ''Routines for fast arithmetic in GF(2)[x]'';
-    homepage = http://gf2x.gforge.inria.fr;
+    homepage = "http://gf2x.gforge.inria.fr";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ raskin timokau ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gfbgraph/default.nix b/pkgs/development/libraries/gfbgraph/default.nix
index 235cd195071..465e4fd3b75 100644
--- a/pkgs/development/libraries/gfbgraph/default.nix
+++ b/pkgs/development/libraries/gfbgraph/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/GFBGraph;
+    homepage = "https://wiki.gnome.org/Projects/GFBGraph";
     description = "GLib/GObject wrapper for the Facebook Graph API";
     maintainers = gnome3.maintainers;
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/gflags/default.nix b/pkgs/development/libraries/gflags/default.nix
index b09936f2924..733a572ac61 100644
--- a/pkgs/development/libraries/gflags/default.nix
+++ b/pkgs/development/libraries/gflags/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
       As such it's a replacement for getopt().
       It was owned by Google. google-gflags project has been renamed to gflags and maintained by new community.
     '';
-    homepage = https://gflags.github.io/gflags/;
+    homepage = "https://gflags.github.io/gflags/";
     license = licenses.bsd3;
     maintainers = [ maintainers.linquize ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/giblib/default.nix b/pkgs/development/libraries/giblib/default.nix
index b166a69043e..2cb7a9dfe54 100644
--- a/pkgs/development/libraries/giblib/default.nix
+++ b/pkgs/development/libraries/giblib/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://linuxbrit.co.uk/giblib/;
+    homepage = "http://linuxbrit.co.uk/giblib/";
     description = "wrapper library for imlib2, and other stuff";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/giflib/4.1.nix b/pkgs/development/libraries/giflib/4.1.nix
index 941a7c27fea..954e508152c 100644
--- a/pkgs/development/libraries/giflib/4.1.nix
+++ b/pkgs/development/libraries/giflib/4.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "giflib-4.1.6";
 
   src = fetchurl {
-    url = mirror://sourceforge/giflib/giflib-4.1.6.tar.bz2;
+    url = "mirror://sourceforge/giflib/giflib-4.1.6.tar.bz2";
     sha256 = "1v9b7ywz7qg8hli0s9vv1b8q9xxb2xvqq2mg1zpr73xwqpcwxhg1";
   };
 
diff --git a/pkgs/development/libraries/giflib/libungif.nix b/pkgs/development/libraries/giflib/libungif.nix
index 6336d30aeba..30cfa0db86a 100644
--- a/pkgs/development/libraries/giflib/libungif.nix
+++ b/pkgs/development/libraries/giflib/libungif.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libungif-4.1.4";
   src = fetchurl {
-    url = mirror://sourceforge/giflib/libungif-4.1.4.tar.gz;
+    url = "mirror://sourceforge/giflib/libungif-4.1.4.tar.gz";
     sha256 = "5e65e1e5deacd0cde489900dbf54c6c2ee2ebc818199e720dbad685d87abda3d";
   };
 
diff --git a/pkgs/development/libraries/gio-sharp/default.nix b/pkgs/development/libraries/gio-sharp/default.nix
index affd57c06bc..d7df4ab7212 100644
--- a/pkgs/development/libraries/gio-sharp/default.nix
+++ b/pkgs/development/libraries/gio-sharp/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GIO API bindings";
-    homepage = https://github.com/mono/gio-sharp;
+    homepage = "https://github.com/mono/gio-sharp";
     license = licenses.mit;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/glbinding/default.nix b/pkgs/development/libraries/glbinding/default.nix
index 6498419bc27..9ce5a23f970 100644
--- a/pkgs/development/libraries/glbinding/default.nix
+++ b/pkgs/development/libraries/glbinding/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ cmake libGLU xlibsWrapper ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/cginternals/glbinding/;
+    homepage = "https://github.com/cginternals/glbinding/";
     description = "A C++ binding for the OpenGL API, generated using the gl.xml specification";
     license = licenses.mit;
     maintainers = [ maintainers.mt-caret ];
diff --git a/pkgs/development/libraries/glew/1.10.nix b/pkgs/development/libraries/glew/1.10.nix
index b265cfcc016..02737143e0d 100644
--- a/pkgs/development/libraries/glew/1.10.nix
+++ b/pkgs/development/libraries/glew/1.10.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An OpenGL extension loading library for C(++)";
-    homepage = http://glew.sourceforge.net/;
+    homepage = "http://glew.sourceforge.net/";
     license = licenses.free; # different files under different licenses
       #["BSD" "GLX" "SGI-B" "GPL2"]
     platforms = platforms.mesaPlatforms;
diff --git a/pkgs/development/libraries/glew/default.nix b/pkgs/development/libraries/glew/default.nix
index ec56c544cac..8f237199a65 100644
--- a/pkgs/development/libraries/glew/default.nix
+++ b/pkgs/development/libraries/glew/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An OpenGL extension loading library for C(++)";
-    homepage = http://glew.sourceforge.net/;
+    homepage = "http://glew.sourceforge.net/";
     license = licenses.free; # different files under different licenses
       #["BSD" "GLX" "SGI-B" "GPL2"]
     platforms = platforms.mesaPlatforms;
diff --git a/pkgs/development/libraries/glfw/2.x.nix b/pkgs/development/libraries/glfw/2.x.nix
index b1118b473b6..e749ca733da 100644
--- a/pkgs/development/libraries/glfw/2.x.nix
+++ b/pkgs/development/libraries/glfw/2.x.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   
   meta = with stdenv.lib; { 
     description = "Multi-platform library for creating OpenGL contexts and managing input, including keyboard, mouse, joystick and time";
-    homepage = http://glfw.sourceforge.net/;
+    homepage = "http://glfw.sourceforge.net/";
     license = licenses.zlib;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/glfw/3.x.nix b/pkgs/development/libraries/glfw/3.x.nix
index 0dfe3cbea2e..1b9fcb9586b 100644
--- a/pkgs/development/libraries/glfw/3.x.nix
+++ b/pkgs/development/libraries/glfw/3.x.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Multi-platform library for creating OpenGL contexts and managing input, including keyboard, mouse, joystick and time";
-    homepage = https://www.glfw.org/;
+    homepage = "https://www.glfw.org/";
     license = licenses.zlib;
     maintainers = with maintainers; [ marcweber twey ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/glib-networking/default.nix b/pkgs/development/libraries/glib-networking/default.nix
index 687852fb181..360a72bbc9d 100644
--- a/pkgs/development/libraries/glib-networking/default.nix
+++ b/pkgs/development/libraries/glib-networking/default.nix
@@ -85,7 +85,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Network-related giomodules for glib";
-    homepage = https://gitlab.gnome.org/GNOME/glib-networking;
+    homepage = "https://gitlab.gnome.org/GNOME/glib-networking";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/glib/default.nix b/pkgs/development/libraries/glib/default.nix
index f4f4cefa540..d74bd0c4067 100644
--- a/pkgs/development/libraries/glib/default.nix
+++ b/pkgs/development/libraries/glib/default.nix
@@ -187,7 +187,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C library of programming buildings blocks";
-    homepage    = https://www.gtk.org/;
+    homepage    = "https://www.gtk.org/";
     license     = licenses.lgpl21Plus;
     maintainers = with maintainers; [ lovek323 raskin worldofpeace ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/glibc/common.nix b/pkgs/development/libraries/glibc/common.nix
index 50ee5097d1b..0429c7295fb 100644
--- a/pkgs/development/libraries/glibc/common.nix
+++ b/pkgs/development/libraries/glibc/common.nix
@@ -222,7 +222,7 @@ stdenv.mkDerivation ({
   doCheck = false; # fails
 
   meta = {
-    homepage = https://www.gnu.org/software/libc/;
+    homepage = "https://www.gnu.org/software/libc/";
     description = "The GNU C Library";
 
     longDescription =
diff --git a/pkgs/development/libraries/glibmm/default.nix b/pkgs/development/libraries/glibmm/default.nix
index 18963e31b6e..6dcb6b3296a 100644
--- a/pkgs/development/libraries/glibmm/default.nix
+++ b/pkgs/development/libraries/glibmm/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "C++ interface to the GLib library";
 
-    homepage = https://gtkmm.org/;
+    homepage = "https://gtkmm.org/";
 
     license = licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/glm/default.nix b/pkgs/development/libraries/glm/default.nix
index d39d6f0d7a3..cb0ae47acde 100644
--- a/pkgs/development/libraries/glm/default.nix
+++ b/pkgs/development/libraries/glm/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       graphics software based on the OpenGL Shading Language (GLSL)
       specification and released under the MIT license.
     '';
-    homepage = http://glm.g-truc.net/;
+    homepage = "http://glm.g-truc.net/";
     license = licenses.mit;
     platforms = platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/globalarrays/default.nix b/pkgs/development/libraries/globalarrays/default.nix
index 9cb5dda507d..564eb00f9b1 100644
--- a/pkgs/development/libraries/globalarrays/default.nix
+++ b/pkgs/development/libraries/globalarrays/default.nix
@@ -44,7 +44,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Global Arrays Programming Models";
-    homepage = http://hpc.pnl.gov/globalarrays/;
+    homepage = "http://hpc.pnl.gov/globalarrays/";
     maintainers = [ maintainers.markuskowa ];
     license = licenses.bsd3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/globalplatform/default.nix b/pkgs/development/libraries/globalplatform/default.nix
index b3cf36107af..3ab157598a4 100644
--- a/pkgs/development/libraries/globalplatform/default.nix
+++ b/pkgs/development/libraries/globalplatform/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ zlib openssl_1_0_2 pcsclite ];
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/p/globalplatform/wiki/Home/;
+    homepage = "https://sourceforge.net/p/globalplatform/wiki/Home/";
     description = "Library for interacting with smart card devices";
     license = licenses.gpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/globalplatform/gppcscconnectionplugin.nix b/pkgs/development/libraries/globalplatform/gppcscconnectionplugin.nix
index e01deea1175..043be9e91b5 100644
--- a/pkgs/development/libraries/globalplatform/gppcscconnectionplugin.nix
+++ b/pkgs/development/libraries/globalplatform/gppcscconnectionplugin.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ globalplatform openssl_1_0_2 pcsclite ];
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/p/globalplatform/wiki/Home/;
+    homepage = "https://sourceforge.net/p/globalplatform/wiki/Home/";
     description = "GlobalPlatform pcsc connection plugin";
     license = [ licenses.lgpl3 licenses.gpl3 ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/gloox/default.nix b/pkgs/development/libraries/gloox/default.nix
index 3343c78bea1..7e5d7e9fa9a 100644
--- a/pkgs/development/libraries/gloox/default.nix
+++ b/pkgs/development/libraries/gloox/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A portable high-level Jabber/XMPP library for C++";
-    homepage = http://camaya.net/gloox;
+    homepage = "http://camaya.net/gloox";
     license = licenses.gpl3;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/glpk/default.nix b/pkgs/development/libraries/glpk/default.nix
index 84a7aff7107..8c5a50c43d1 100644
--- a/pkgs/development/libraries/glpk/default.nix
+++ b/pkgs/development/libraries/glpk/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
          programming language and organized in the form of a library.
       '';
 
-    homepage = https://www.gnu.org/software/glpk/;
+    homepage = "https://www.gnu.org/software/glpk/";
     license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = with stdenv.lib.maintainers; [ bjg timokau ];
diff --git a/pkgs/development/libraries/gmime/2.nix b/pkgs/development/libraries/gmime/2.nix
index 3b4ad1393d0..c902aac23a1 100644
--- a/pkgs/development/libraries/gmime/2.nix
+++ b/pkgs/development/libraries/gmime/2.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/jstedfast/gmime/;
+    homepage = "https://github.com/jstedfast/gmime/";
     description = "A C/C++ library for creating, editing and parsing MIME messages and structures";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/development/libraries/gmm/default.nix b/pkgs/development/libraries/gmm/default.nix
index 63d9d8c2762..eb23f5c82c2 100644
--- a/pkgs/development/libraries/gmm/default.nix
+++ b/pkgs/development/libraries/gmm/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Generic C++ template library for sparse, dense and skyline matrices";
-    homepage = http://getfem.org/gmm.html;
+    homepage = "http://getfem.org/gmm.html";
     license = licenses.lgpl21Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/gmp/4.3.2.nix b/pkgs/development/libraries/gmp/4.3.2.nix
index a6035a2b7af..29310aa9f00 100644
--- a/pkgs/development/libraries/gmp/4.3.2.nix
+++ b/pkgs/development/libraries/gmp/4.3.2.nix
@@ -64,7 +64,7 @@ let self = stdenv.mkDerivation rec {
          asymptotically faster algorithms.
       '';
 
-    homepage = https://gmplib.org/;
+    homepage = "https://gmplib.org/";
     license = stdenv.lib.licenses.lgpl3Plus;
 
     maintainers = [ ];
diff --git a/pkgs/development/libraries/gmp/5.1.x.nix b/pkgs/development/libraries/gmp/5.1.x.nix
index 494d9acb6bb..78cfa40d196 100644
--- a/pkgs/development/libraries/gmp/5.1.x.nix
+++ b/pkgs/development/libraries/gmp/5.1.x.nix
@@ -44,7 +44,7 @@ let self = stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://gmplib.org/;
+    homepage = "https://gmplib.org/";
     description = "GNU multiple precision arithmetic library";
     license = licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/gmp/6.x.nix b/pkgs/development/libraries/gmp/6.x.nix
index cbc3faa2cb6..cca0f8d68e1 100644
--- a/pkgs/development/libraries/gmp/6.x.nix
+++ b/pkgs/development/libraries/gmp/6.x.nix
@@ -49,7 +49,7 @@ let self = stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://gmplib.org/;
+    homepage = "https://gmplib.org/";
     description = "GNU multiple precision arithmetic library";
     license = licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/gmtk/default.nix b/pkgs/development/libraries/gmtk/default.nix
index 10d584c6ccb..f6516815bb9 100644
--- a/pkgs/development/libraries/gmtk/default.nix
+++ b/pkgs/development/libraries/gmtk/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Common functions for gnome-mplayer and gecko-mediaplayer";
-    homepage = https://sites.google.com/site/kdekorte2/gnomemplayer;
+    homepage = "https://sites.google.com/site/kdekorte2/gnomemplayer";
     license = licenses.gpl2;
     maintainers = gnome_mplayer.meta.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gnet/default.nix b/pkgs/development/libraries/gnet/default.nix
index 0b2fb9fef6c..749b021890a 100644
--- a/pkgs/development/libraries/gnet/default.nix
+++ b/pkgs/development/libraries/gnet/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A network library, written in C, object-oriented, and built upon GLib";
-    homepage = https://developer.gnome.org/gnet/;
+    homepage = "https://developer.gnome.org/gnet/";
     license = licenses.lgpl2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ pSub ];
diff --git a/pkgs/development/libraries/gnome-sharp/default.nix b/pkgs/development/libraries/gnome-sharp/default.nix
index fa762c3a02e..5926f59cc37 100644
--- a/pkgs/development/libraries/gnome-sharp/default.nix
+++ b/pkgs/development/libraries/gnome-sharp/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.mono-project.com/docs/gui/gtksharp/;
+    homepage = "https://www.mono-project.com/docs/gui/gtksharp/";
     description = "A .NET language binding for assorted GNOME libraries";
     license = licenses.lgpl21;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gnome-video-effects/default.nix b/pkgs/development/libraries/gnome-video-effects/default.nix
index 03799c1ef7c..04e7a59fdc2 100644
--- a/pkgs/development/libraries/gnome-video-effects/default.nix
+++ b/pkgs/development/libraries/gnome-video-effects/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A collection of GStreamer effects to be used in different GNOME Modules";
-    homepage = https://wiki.gnome.org/Projects/GnomeVideoEffects;
+    homepage = "https://wiki.gnome.org/Projects/GnomeVideoEffects";
     platforms = platforms.linux;
     maintainers = gnome3.maintainers;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/gnu-config/default.nix b/pkgs/development/libraries/gnu-config/default.nix
index 638d483b60e..e45ec957eb9 100644
--- a/pkgs/development/libraries/gnu-config/default.nix
+++ b/pkgs/development/libraries/gnu-config/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Attempt to guess a canonical system name";
-    homepage = https://savannah.gnu.org/projects/config;
+    homepage = "https://savannah.gnu.org/projects/config";
     license = licenses.gpl3;
     # In addition to GPLv3:
     #   As a special exception to the GNU General Public License, if you
diff --git a/pkgs/development/libraries/gnu-efi/default.nix b/pkgs/development/libraries/gnu-efi/default.nix
index b5b8add2db5..402c3585d53 100644
--- a/pkgs/development/libraries/gnu-efi/default.nix
+++ b/pkgs/development/libraries/gnu-efi/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GNU EFI development toolchain";
-    homepage = https://sourceforge.net/projects/gnu-efi/;
+    homepage = "https://sourceforge.net/projects/gnu-efi/";
     license = licenses.bsd3;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/gnutls-kdh/generic.nix b/pkgs/development/libraries/gnutls-kdh/generic.nix
index 6079387fc72..90e863760e9 100644
--- a/pkgs/development/libraries/gnutls-kdh/generic.nix
+++ b/pkgs/development/libraries/gnutls-kdh/generic.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation {
        layer. It adds TLS-KDH ciphers: Kerberos + Diffie-Hellman.
     '';
 
-    homepage = https://github.com/arpa2/gnutls-kdh;
+    homepage = "https://github.com/arpa2/gnutls-kdh";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ leenaars ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/gnutls/default.nix b/pkgs/development/libraries/gnutls/default.nix
index cde8587acc3..f5a0b8a9f31 100644
--- a/pkgs/development/libraries/gnutls/default.nix
+++ b/pkgs/development/libraries/gnutls/default.nix
@@ -108,7 +108,7 @@ stdenv.mkDerivation {
        tampering, or message forgery."
     '';
 
-    homepage = https://www.gnu.org/software/gnutls/;
+    homepage = "https://www.gnu.org/software/gnutls/";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ eelco fpletz ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/gobject-introspection/default.nix b/pkgs/development/libraries/gobject-introspection/default.nix
index f754756f768..b9303bd5731 100644
--- a/pkgs/development/libraries/gobject-introspection/default.nix
+++ b/pkgs/development/libraries/gobject-introspection/default.nix
@@ -76,7 +76,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A middleware layer between C libraries and language bindings";
-    homepage    = http://live.gnome.org/GObjectIntrospection;
+    homepage    = "http://live.gnome.org/GObjectIntrospection";
     maintainers = with maintainers; [ lovek323 lethalman ];
     platforms   = platforms.unix;
     license = with licenses; [ gpl2 lgpl2 ];
diff --git a/pkgs/development/libraries/gom/default.nix b/pkgs/development/libraries/gom/default.nix
index 2d5133afab4..de526edf8d9 100644
--- a/pkgs/development/libraries/gom/default.nix
+++ b/pkgs/development/libraries/gom/default.nix
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A GObject to SQLite object mapper";
-    homepage = https://wiki.gnome.org/Projects/Gom;
+    homepage = "https://wiki.gnome.org/Projects/Gom";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/goocanvas/2.x.nix b/pkgs/development/libraries/goocanvas/2.x.nix
index 1440d3f6aa0..a744cf314e2 100644
--- a/pkgs/development/libraries/goocanvas/2.x.nix
+++ b/pkgs/development/libraries/goocanvas/2.x.nix
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Canvas widget for GTK based on the the Cairo 2D library";
-    homepage = https://wiki.gnome.org/Projects/GooCanvas;
+    homepage = "https://wiki.gnome.org/Projects/GooCanvas";
     license = licenses.lgpl2;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/goocanvasmm/default.nix b/pkgs/development/libraries/goocanvasmm/default.nix
index b7f56837686..ef593c568a2 100644
--- a/pkgs/development/libraries/goocanvasmm/default.nix
+++ b/pkgs/development/libraries/goocanvasmm/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ bindings for GooCanvas";
-    homepage = https://wiki.gnome.org/Projects/GooCanvas;
+    homepage = "https://wiki.gnome.org/Projects/GooCanvas";
     license = licenses.lgpl2;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/google-cloud-cpp/default.nix b/pkgs/development/libraries/google-cloud-cpp/default.nix
index be7132dc845..7eb69d075ca 100644
--- a/pkgs/development/libraries/google-cloud-cpp/default.nix
+++ b/pkgs/development/libraries/google-cloud-cpp/default.nix
@@ -55,7 +55,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     license = with licenses; [ asl20 ];
-    homepage = https://github.com/googleapis/google-cloud-cpp;
+    homepage = "https://github.com/googleapis/google-cloud-cpp";
     description = "C++ Idiomatic Clients for Google Cloud Platform services";
     maintainers = with maintainers; [ andir flokli ];
   };
diff --git a/pkgs/development/libraries/gperftools/default.nix b/pkgs/development/libraries/gperftools/default.nix
index 0e985754985..039231c0142 100644
--- a/pkgs/development/libraries/gperftools/default.nix
+++ b/pkgs/development/libraries/gperftools/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/gperftools/gperftools;
+    homepage = "https://github.com/gperftools/gperftools";
     description = "Fast, multi-threaded malloc() and nifty performance analysis tools";
     platforms = with platforms; linux ++ darwin;
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/gpgme/default.nix b/pkgs/development/libraries/gpgme/default.nix
index 9e5ff187ac6..6a31515be3f 100644
--- a/pkgs/development/libraries/gpgme/default.nix
+++ b/pkgs/development/libraries/gpgme/default.nix
@@ -74,7 +74,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://gnupg.org/software/gpgme/index.html;
+    homepage = "https://gnupg.org/software/gpgme/index.html";
     description = "Library for making GnuPG easier to use";
     longDescription = ''
       GnuPG Made Easy (GPGME) is a library designed to make access to GnuPG
diff --git a/pkgs/development/libraries/grail/default.nix b/pkgs/development/libraries/grail/default.nix
index 722fb79d5d6..6efc1fca39a 100644
--- a/pkgs/development/libraries/grail/default.nix
+++ b/pkgs/development/libraries/grail/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   configureFlags = stdenv.lib.optional enableX11 "--with-x11";
 
   meta = {
-    homepage = https://launchpad.net/canonical-multitouch/grail;
+    homepage = "https://launchpad.net/canonical-multitouch/grail";
     description = "Gesture Recognition And Instantiation Library";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/grantlee/5/default.nix b/pkgs/development/libraries/grantlee/5/default.nix
index 818d3c30de2..09bf9222485 100644
--- a/pkgs/development/libraries/grantlee/5/default.nix
+++ b/pkgs/development/libraries/grantlee/5/default.nix
@@ -43,7 +43,7 @@ mkDerivation rec {
       The syntax is intended to follow the syntax of the Django template system,
       and the design of Django is reused in Grantlee.'';
 
-    homepage = http://gitorious.org/grantlee;
+    homepage = "http://gitorious.org/grantlee";
     maintainers = [ maintainers.ttuegel ];
     license = licenses.lgpl21;
     inherit (qtbase.meta) platforms;
diff --git a/pkgs/development/libraries/grantlee/default.nix b/pkgs/development/libraries/grantlee/default.nix
index 1446e339745..a8e692bdd51 100644
--- a/pkgs/development/libraries/grantlee/default.nix
+++ b/pkgs/development/libraries/grantlee/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       The syntax is intended to follow the syntax of the Django template system,
       and the design of Django is reused in Grantlee.'';
 
-    homepage = http://gitorious.org/grantlee;
+    homepage = "http://gitorious.org/grantlee";
     license = stdenv.lib.licenses.lgpl21;
     inherit (qt4.meta) platforms;
   };
diff --git a/pkgs/development/libraries/graphene-hardened-malloc/default.nix b/pkgs/development/libraries/graphene-hardened-malloc/default.nix
index be32a74ea45..0d2b02489ef 100644
--- a/pkgs/development/libraries/graphene-hardened-malloc/default.nix
+++ b/pkgs/development/libraries/graphene-hardened-malloc/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/GrapheneOS/hardened_malloc;
+    homepage = "https://github.com/GrapheneOS/hardened_malloc";
     description = "Hardened allocator designed for modern systems";
     longDescription = ''
       This is a security-focused general purpose memory allocator providing the malloc API
diff --git a/pkgs/development/libraries/grib-api/default.nix b/pkgs/development/libraries/grib-api/default.nix
index 0c9e4bf3156..5a1620db30c 100644
--- a/pkgs/development/libraries/grib-api/default.nix
+++ b/pkgs/development/libraries/grib-api/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec{
 
 
   meta = with stdenv.lib; {
-    homepage = https://software.ecmwf.int/wiki/display/GRIB/Home;
+    homepage = "https://software.ecmwf.int/wiki/display/GRIB/Home";
     license = licenses.asl20;
     platforms = with platforms; linux ++ darwin;
     description = "ECMWF Library for the GRIB file format -- DEPRECATED";
diff --git a/pkgs/development/libraries/grilo-plugins/default.nix b/pkgs/development/libraries/grilo-plugins/default.nix
index 65be9d27df1..81adab05e03 100644
--- a/pkgs/development/libraries/grilo-plugins/default.nix
+++ b/pkgs/development/libraries/grilo-plugins/default.nix
@@ -92,7 +92,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Grilo;
+    homepage = "https://wiki.gnome.org/Projects/Grilo";
     description = "A collection of plugins for the Grilo framework";
     maintainers = gnome3.maintainers;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/grilo/default.nix b/pkgs/development/libraries/grilo/default.nix
index b52ddbb0408..105b860c2b5 100644
--- a/pkgs/development/libraries/grilo/default.nix
+++ b/pkgs/development/libraries/grilo/default.nix
@@ -36,7 +36,7 @@ in stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Grilo;
+    homepage = "https://wiki.gnome.org/Projects/Grilo";
     description = "Framework that provides access to various sources of multimedia content, using a pluggable system";
     maintainers = gnome3.maintainers;
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/gsasl/default.nix b/pkgs/development/libraries/gsasl/default.nix
index c5e1deea6e1..4e22c38e9c8 100644
--- a/pkgs/development/libraries/gsasl/default.nix
+++ b/pkgs/development/libraries/gsasl/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
          (e.g. IMAP, SMTP, etc.) to authenticate peers.
        '';
 
-    homepage = https://www.gnu.org/software/gsasl/;
+    homepage = "https://www.gnu.org/software/gsasl/";
     license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = with stdenv.lib.maintainers; [ shlevy ];
diff --git a/pkgs/development/libraries/gsettings-qt/default.nix b/pkgs/development/libraries/gsettings-qt/default.nix
index 8b118fe9483..5f09f437f04 100644
--- a/pkgs/development/libraries/gsettings-qt/default.nix
+++ b/pkgs/development/libraries/gsettings-qt/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   version = "0.1.20170824";
 
   src = fetchbzr {
-    url = http://bazaar.launchpad.net/~system-settings-touch/gsettings-qt/trunk;
+    url = "http://bazaar.launchpad.net/~system-settings-touch/gsettings-qt/trunk";
     rev = "85";
     sha256 = "1kcw0fgdyndx9c0dyha11wkj0gi05spdc1adf1609mrinbb4rnyi";
   };
@@ -54,7 +54,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Qt/QML bindings for GSettings";
-    homepage = https://launchpad.net/gsettings-qt;
+    homepage = "https://launchpad.net/gsettings-qt";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = [ maintainers.romildo ];
diff --git a/pkgs/development/libraries/gsignond/default.nix b/pkgs/development/libraries/gsignond/default.nix
index 88a4ecb3622..b0db776bd61 100644
--- a/pkgs/development/libraries/gsignond/default.nix
+++ b/pkgs/development/libraries/gsignond/default.nix
@@ -52,7 +52,7 @@ unwrapped = stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "D-Bus service which performs user authentication on behalf of its clients";
-    homepage = https://gitlab.com/accounts-sso/gsignond;
+    homepage = "https://gitlab.com/accounts-sso/gsignond";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gsignond/plugins/lastfm.nix b/pkgs/development/libraries/gsignond/plugins/lastfm.nix
index ebaf694f04e..b1a383ee591 100644
--- a/pkgs/development/libraries/gsignond/plugins/lastfm.nix
+++ b/pkgs/development/libraries/gsignond/plugins/lastfm.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Plugin for the Accounts-SSO gSignOn daemon that handles Last.FM credentials";
-    homepage = https://gitlab.com/accounts-sso/gsignond-plugin-lastfm;
+    homepage = "https://gitlab.com/accounts-sso/gsignond-plugin-lastfm";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gsignond/plugins/mail.nix b/pkgs/development/libraries/gsignond/plugins/mail.nix
index c4d23bd834c..4ac6e6a6f9f 100644
--- a/pkgs/development/libraries/gsignond/plugins/mail.nix
+++ b/pkgs/development/libraries/gsignond/plugins/mail.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Plugin for the Accounts-SSO gSignOn daemon that handles E-Mail credentials";
-    homepage = https://gitlab.com/accounts-sso/gsignond-plugin-mail;
+    homepage = "https://gitlab.com/accounts-sso/gsignond-plugin-mail";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gsignond/plugins/oauth.nix b/pkgs/development/libraries/gsignond/plugins/oauth.nix
index a140859b693..b4b16a57af4 100644
--- a/pkgs/development/libraries/gsignond/plugins/oauth.nix
+++ b/pkgs/development/libraries/gsignond/plugins/oauth.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Plugin for the Accounts-SSO gSignOn daemon that handles the OAuth 1.0 and 2.0 authentication protocols";
-    homepage = https://gitlab.com/accounts-sso/gsignond-plugin-oa;
+    homepage = "https://gitlab.com/accounts-sso/gsignond-plugin-oa";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gsignond/plugins/sasl.nix b/pkgs/development/libraries/gsignond/plugins/sasl.nix
index af57950ac65..1a1f34681ce 100644
--- a/pkgs/development/libraries/gsignond/plugins/sasl.nix
+++ b/pkgs/development/libraries/gsignond/plugins/sasl.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Plugin for the Accounts-SSO gSignOn daemon that handles the SASL authentication protocol";
-    homepage = https://gitlab.com/accounts-sso/gsignond-plugin-sasl;
+    homepage = "https://gitlab.com/accounts-sso/gsignond-plugin-sasl";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gsl/default.nix b/pkgs/development/libraries/gsl/default.nix
index 966d6a8ffd5..4a9208cff32 100644
--- a/pkgs/development/libraries/gsl/default.nix
+++ b/pkgs/development/libraries/gsl/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "The GNU Scientific Library, a large numerical library";
-    homepage = https://www.gnu.org/software/gsl/;
+    homepage = "https://www.gnu.org/software/gsl/";
     license = stdenv.lib.licenses.gpl3Plus;
 
     longDescription = ''
diff --git a/pkgs/development/libraries/gsl/gsl-1_16.nix b/pkgs/development/libraries/gsl/gsl-1_16.nix
index ae102ac6030..9a31563c6cc 100644
--- a/pkgs/development/libraries/gsl/gsl-1_16.nix
+++ b/pkgs/development/libraries/gsl/gsl-1_16.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "The GNU Scientific Library, a large numerical library";
-    homepage = https://www.gnu.org/software/gsl/;
+    homepage = "https://www.gnu.org/software/gsl/";
     license = stdenv.lib.licenses.gpl3Plus;
 
     longDescription = ''
diff --git a/pkgs/development/libraries/gsm/default.nix b/pkgs/development/libraries/gsm/default.nix
index 1405d4782ad..e3edbcac1cf 100644
--- a/pkgs/development/libraries/gsm/default.nix
+++ b/pkgs/development/libraries/gsm/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Lossy speech compression codec";
-    homepage    = http://www.quut.com/gsm/;
+    homepage    = "http://www.quut.com/gsm/";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ codyopel raskin ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/gsoap/default.nix b/pkgs/development/libraries/gsoap/default.nix
index a1a0da51017..fd9e327c1bc 100644
--- a/pkgs/development/libraries/gsoap/default.nix
+++ b/pkgs/development/libraries/gsoap/default.nix
@@ -26,7 +26,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C/C++ toolkit for SOAP web services and XML-based applications";
-    homepage = http://www.cs.fsu.edu/~engelen/soap.html;
+    homepage = "http://www.cs.fsu.edu/~engelen/soap.html";
     # gsoap is dual/triple licensed (see homepage for details):
     # 1. gSOAP Public License 1.3 (based on Mozilla Public License 1.1).
     #    Components NOT covered by the gSOAP Public License are:
diff --git a/pkgs/development/libraries/gsound/default.nix b/pkgs/development/libraries/gsound/default.nix
index b1869193a09..9ac296f6f02 100644
--- a/pkgs/development/libraries/gsound/default.nix
+++ b/pkgs/development/libraries/gsound/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/GSound;
+    homepage = "https://wiki.gnome.org/Projects/GSound";
     description = "Small library for playing system sounds";
     maintainers = gnome3.maintainers;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/gspell/default.nix b/pkgs/development/libraries/gspell/default.nix
index 71a427eb2a6..0f17a826b8a 100644
--- a/pkgs/development/libraries/gspell/default.nix
+++ b/pkgs/development/libraries/gspell/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A spell-checking library for GTK applications";
-    homepage = https://wiki.gnome.org/Projects/gspell;
+    homepage = "https://wiki.gnome.org/Projects/gspell";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gss/default.nix b/pkgs/development/libraries/gss/default.nix
index a9ee776d441..363e7ba7d10 100644
--- a/pkgs/development/libraries/gss/default.nix
+++ b/pkgs/development/libraries/gss/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnu.org/software/gss/;
+    homepage = "https://www.gnu.org/software/gss/";
     description = "Generic Security Service";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ bjg ];
diff --git a/pkgs/development/libraries/gssdp/default.nix b/pkgs/development/libraries/gssdp/default.nix
index e899ad2c648..8ad92eb833a 100644
--- a/pkgs/development/libraries/gssdp/default.nix
+++ b/pkgs/development/libraries/gssdp/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GObject-based API for handling resource discovery and announcement over SSDP";
-    homepage = http://www.gupnp.org/;
+    homepage = "http://www.gupnp.org/";
     license = licenses.lgpl2Plus;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/gstreamer/legacy/gnonlin/default.nix b/pkgs/development/libraries/gstreamer/legacy/gnonlin/default.nix
index 402074a4e5f..804d80b8e1d 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gnonlin/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gnonlin/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gst-plugins-base gstreamer ];
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org/modules/gnonlin.html;
+    homepage = "https://gstreamer.freedesktop.org/modules/gnonlin.html";
     description = "Gstreamer Non-Linear Multimedia Editing Plugins";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-bad/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-bad/default.nix
index 77465645d23..cd37a513184 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-bad/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-bad/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org;
+    homepage = "https://gstreamer.freedesktop.org";
 
     description = "‘Bad’ (potentially low quality) plug-ins for GStreamer";
 
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
index eed9d423fdb..ad978e903f8 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-base/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
   postInstall = "rm -rf $out/share/gtk-doc";
 
   meta = with stdenv.lib; {
-    homepage    = https://gstreamer.freedesktop.org;
+    homepage    = "https://gstreamer.freedesktop.org";
     description = "Base plug-ins for GStreamer";
     license     = licenses.lgpl2Plus;
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
index 2b78d4daaf3..225bcc7e263 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-good/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   doCheck = false;
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org;
+    homepage = "https://gstreamer.freedesktop.org";
 
     description = "`Good' plug-ins for GStreamer";
 
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
index 2f46016adac..5321fc379cc 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-plugins-ugly/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org;
+    homepage = "https://gstreamer.freedesktop.org";
 
     description = "‘Ugly’ (potentially patent-encumbered) plug-ins for GStreamer";
 
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
index c8414a7b681..4c56039bd0a 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
   propagatedBuildInputs = [ gstreamer python ];
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org;
+    homepage = "https://gstreamer.freedesktop.org";
 
     description = "Python bindings for GStreamer";
 
diff --git a/pkgs/development/libraries/gstreamer/legacy/gstreamer/default.nix b/pkgs/development/libraries/gstreamer/legacy/gstreamer/default.nix
index e69e584b23d..b78f6148e48 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gstreamer/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gstreamer/default.nix
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
   setupHook = ./setup-hook.sh;
 
   meta = {
-    homepage = https://gstreamer.freedesktop.org;
+    homepage = "https://gstreamer.freedesktop.org";
 
     description = "Library for constructing graphs of media-handling components";
 
diff --git a/pkgs/development/libraries/gstreamer/legacy/gstreamermm/default.nix b/pkgs/development/libraries/gstreamer/legacy/gstreamermm/default.nix
index 27036ad86ed..24197b04b73 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gstreamermm/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gstreamermm/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C++ bindings for the GStreamer streaming multimedia library";
-    homepage = https://www.gtkmm.org/;
+    homepage = "https://www.gtkmm.org/";
     license = licenses.lgpl2Plus;
     maintainers = with maintainers; [ plcplc ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gtdialog/default.nix b/pkgs/development/libraries/gtdialog/default.nix
index d0a2d3691b4..b848af6c318 100644
--- a/pkgs/development/libraries/gtdialog/default.nix
+++ b/pkgs/development/libraries/gtdialog/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
     license = stdenv.lib.licenses.mit ;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = http://foicica.com/gtdialog;
+    homepage = "http://foicica.com/gtdialog";
     downloadPage = "http://foicica.com/gtdialog/download";
   };
 }
diff --git a/pkgs/development/libraries/gtest/default.nix b/pkgs/development/libraries/gtest/default.nix
index bbc582f581c..62234651aa9 100644
--- a/pkgs/development/libraries/gtest/default.nix
+++ b/pkgs/development/libraries/gtest/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Google's framework for writing C++ tests";
-    homepage = https://github.com/google/googletest;
+    homepage = "https://github.com/google/googletest";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ zoomulator ivan-tkatchev ];
diff --git a/pkgs/development/libraries/gtk-mac-integration/default.nix b/pkgs/development/libraries/gtk-mac-integration/default.nix
index 2281055c62b..188efe6ae99 100644
--- a/pkgs/development/libraries/gtk-mac-integration/default.nix
+++ b/pkgs/development/libraries/gtk-mac-integration/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
     license = licenses.lgpl21;
 
-    homepage = https://wiki.gnome.org/Projects/GTK/OSX/Integration;
+    homepage = "https://wiki.gnome.org/Projects/GTK/OSX/Integration";
 
     maintainers = [ maintainers.matthewbauer ];
     platforms = platforms.darwin;
diff --git a/pkgs/development/libraries/gtk-sharp/2.0.nix b/pkgs/development/libraries/gtk-sharp/2.0.nix
index 615ea66f4d9..ed53105f758 100644
--- a/pkgs/development/libraries/gtk-sharp/2.0.nix
+++ b/pkgs/development/libraries/gtk-sharp/2.0.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Graphical User Interface Toolkit for mono and .Net";
-    homepage = https://www.mono-project.com/docs/gui/gtksharp;
+    homepage = "https://www.mono-project.com/docs/gui/gtksharp";
     platforms = platforms.linux;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/gtk/2.x.nix b/pkgs/development/libraries/gtk/2.x.nix
index 932527eed09..09cb016dbb6 100644
--- a/pkgs/development/libraries/gtk/2.x.nix
+++ b/pkgs/development/libraries/gtk/2.x.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     ./patches/gtk2-theme-paths.patch
   ] ++ optionals stdenv.isDarwin [
     (fetchpatch {
-      url = https://bug557780.bugzilla-attachments.gnome.org/attachment.cgi?id=306776;
+      url = "https://bug557780.bugzilla-attachments.gnome.org/attachment.cgi?id=306776";
       sha256 = "0sp8f1r5c4j2nlnbqgv7s7nxa4cfwigvm033hvhb1ld652pjag4r";
     })
     ./patches/2.0-darwin-x11.patch
@@ -80,7 +80,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A multi-platform toolkit for creating graphical user interfaces";
-    homepage    = https://www.gtk.org/;
+    homepage    = "https://www.gtk.org/";
     license     = licenses.lgpl2Plus;
     maintainers = with maintainers; [ lovek323 raskin ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/gtk/3.x.nix b/pkgs/development/libraries/gtk/3.x.nix
index ac5a944334e..fc3d79891e4 100644
--- a/pkgs/development/libraries/gtk/3.x.nix
+++ b/pkgs/development/libraries/gtk/3.x.nix
@@ -203,7 +203,7 @@ stdenv.mkDerivation rec {
       proprietary software with GTK without any license fees or
       royalties.
     '';
-    homepage = https://www.gtk.org/;
+    homepage = "https://www.gtk.org/";
     license = licenses.lgpl2Plus;
     maintainers = with maintainers; [ raskin vcunat lethalman worldofpeace ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/gtkd/default.nix b/pkgs/development/libraries/gtkd/default.nix
index 2cad4a19a0f..a03dc51f00c 100644
--- a/pkgs/development/libraries/gtkd/default.nix
+++ b/pkgs/development/libraries/gtkd/default.nix
@@ -131,7 +131,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "D binding and OO wrapper for GTK";
-    homepage = https://gtkd.org;
+    homepage = "https://gtkd.org";
     license = licenses.lgpl3Plus;
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/pkgs/development/libraries/gtkmathview/default.nix b/pkgs/development/libraries/gtkmathview/default.nix
index 12b9181a952..0c72f8501cc 100644
--- a/pkgs/development/libraries/gtkmathview/default.nix
+++ b/pkgs/development/libraries/gtkmathview/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   patches = [ ./gcc-4.3-build-fixes.patch ./gcc-4.4-build-fixes.patch ];
 
   meta = {
-    homepage = http://helm.cs.unibo.it/mml-widget/;
+    homepage = "http://helm.cs.unibo.it/mml-widget/";
     description = "C++ rendering engine for MathML documents";
     license = stdenv.lib.licenses.lgpl3Plus;
     maintainers = [ stdenv.lib.maintainers.roconnor ];
diff --git a/pkgs/development/libraries/gtkmm/2.x.nix b/pkgs/development/libraries/gtkmm/2.x.nix
index 523c5b50d28..24262d263cb 100644
--- a/pkgs/development/libraries/gtkmm/2.x.nix
+++ b/pkgs/development/libraries/gtkmm/2.x.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       tutorial.
     '';
 
-    homepage = https://gtkmm.org/;
+    homepage = "https://gtkmm.org/";
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/gtkmm/3.x.nix b/pkgs/development/libraries/gtkmm/3.x.nix
index d79e739f80c..5794b2ddf46 100644
--- a/pkgs/development/libraries/gtkmm/3.x.nix
+++ b/pkgs/development/libraries/gtkmm/3.x.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       tutorial.
     '';
 
-    homepage = https://gtkmm.org/;
+    homepage = "https://gtkmm.org/";
 
     license = licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/gtksourceview/3.x.nix b/pkgs/development/libraries/gtksourceview/3.x.nix
index baef8062224..0ab3bcb90d4 100644
--- a/pkgs/development/libraries/gtksourceview/3.x.nix
+++ b/pkgs/development/libraries/gtksourceview/3.x.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/GtkSourceView;
+    homepage = "https://wiki.gnome.org/Projects/GtkSourceView";
     platforms = with platforms; linux ++ darwin;
     license = licenses.lgpl21;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/gtksourceview/4.x.nix b/pkgs/development/libraries/gtksourceview/4.x.nix
index 57ba5a26685..1ecd1ce2ae5 100644
--- a/pkgs/development/libraries/gtksourceview/4.x.nix
+++ b/pkgs/development/libraries/gtksourceview/4.x.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/GtkSourceView;
+    homepage = "https://wiki.gnome.org/Projects/GtkSourceView";
     platforms = with platforms; linux ++ darwin;
     license = licenses.lgpl21;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/gtksourceviewmm/4.x.nix b/pkgs/development/libraries/gtksourceviewmm/4.x.nix
index d60bb29c47a..4299f6e1d0f 100644
--- a/pkgs/development/libraries/gtksourceviewmm/4.x.nix
+++ b/pkgs/development/libraries/gtksourceviewmm/4.x.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
-    homepage = https://developer.gnome.org/gtksourceviewmm/;
+    homepage = "https://developer.gnome.org/gtksourceviewmm/";
     description = "C++ wrapper for gtksourceview";
     license = licenses.lgpl2;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/gtksourceviewmm/default.nix b/pkgs/development/libraries/gtksourceviewmm/default.nix
index 6b81b7981ee..7bf510207ab 100644
--- a/pkgs/development/libraries/gtksourceviewmm/default.nix
+++ b/pkgs/development/libraries/gtksourceviewmm/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
-    homepage = https://developer.gnome.org/gtksourceviewmm/;
+    homepage = "https://developer.gnome.org/gtksourceviewmm/";
     description = "C++ wrapper for gtksourceview";
     license = licenses.lgpl2;
     maintainers = [ maintainers.juliendehos ];
diff --git a/pkgs/development/libraries/gtkspell/3.nix b/pkgs/development/libraries/gtkspell/3.nix
index b68c814ad54..707acfcd382 100644
--- a/pkgs/development/libraries/gtkspell/3.nix
+++ b/pkgs/development/libraries/gtkspell/3.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://gtkspell.sourceforge.net/;
+    homepage = "http://gtkspell.sourceforge.net/";
     description = "Word-processor-style highlighting GtkTextView widget";
     license = licenses.gpl2Plus;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/gtkspell/default.nix b/pkgs/development/libraries/gtkspell/default.nix
index 14676be0dcb..b6ee2c6825d 100644
--- a/pkgs/development/libraries/gtkspell/default.nix
+++ b/pkgs/development/libraries/gtkspell/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "gtkspell-2.0.16";
 
   src = fetchurl {
-    url = mirror://sourceforge/gtkspell/gtkspell-2.0.16.tar.gz;
+    url = "mirror://sourceforge/gtkspell/gtkspell-2.0.16.tar.gz";
     sha256 = "00hdv28bp72kg1mq2jdz1sdw2b8mb9iclsp7jdqwpck705bdriwg";
   };
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Word-processor-style highlighting and replacement of misspelled words";
-    homepage = http://gtkspell.sourceforge.net;
+    homepage = "http://gtkspell.sourceforge.net";
     platforms = platforms.unix;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/gtkspellmm/default.nix b/pkgs/development/libraries/gtkspellmm/default.nix
index 97f1a12c178..b3bca9bd7b6 100644
--- a/pkgs/development/libraries/gtkspellmm/default.nix
+++ b/pkgs/development/libraries/gtkspellmm/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ binding for the gtkspell library";
-    homepage = http://gtkspell.sourceforge.net/;
+    homepage = "http://gtkspell.sourceforge.net/";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/gts/default.nix b/pkgs/development/libraries/gts/default.nix
index 18640e923e8..adf914369cf 100644
--- a/pkgs/development/libraries/gts/default.nix
+++ b/pkgs/development/libraries/gts/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails with "permission denied"
 
   meta = {
-    homepage = http://gts.sourceforge.net/;
+    homepage = "http://gts.sourceforge.net/";
     license = stdenv.lib.licenses.lgpl2Plus;
     description = "GNU Triangulated Surface Library";
 
diff --git a/pkgs/development/libraries/gumbo/default.nix b/pkgs/development/libraries/gumbo/default.nix
index 2db8c1e6739..9acc48ae0b8 100644
--- a/pkgs/development/libraries/gumbo/default.nix
+++ b/pkgs/development/libraries/gumbo/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C99 HTML parsing algorithm";
-    homepage = https://github.com/google/gumbo-parser;
+    homepage = "https://github.com/google/gumbo-parser";
     maintainers = [ maintainers.nico202 ];
     platforms = platforms.linux;
     license = licenses.asl20;
diff --git a/pkgs/development/libraries/gupnp-av/default.nix b/pkgs/development/libraries/gupnp-av/default.nix
index b764ce2c2e2..80fb9e3afff 100644
--- a/pkgs/development/libraries/gupnp-av/default.nix
+++ b/pkgs/development/libraries/gupnp-av/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://gupnp.org/;
+    homepage = "http://gupnp.org/";
     description = "A collection of helpers for building AV (audio/video) applications using GUPnP";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gupnp-dlna/default.nix b/pkgs/development/libraries/gupnp-dlna/default.nix
index 4dfbaafdc32..8fc001de3d5 100644
--- a/pkgs/development/libraries/gupnp-dlna/default.nix
+++ b/pkgs/development/libraries/gupnp-dlna/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/GUPnP/;
+    homepage = "https://wiki.gnome.org/Projects/GUPnP/";
     description = "Library to ease DLNA-related bits for applications using GUPnP";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gupnp-igd/default.nix b/pkgs/development/libraries/gupnp-igd/default.nix
index 56a274316e8..a8ed1f7cadd 100644
--- a/pkgs/development/libraries/gupnp-igd/default.nix
+++ b/pkgs/development/libraries/gupnp-igd/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   patches = [
     # Add gupnp-1.2 compatibility
     (fetchpatch {
-      url = https://gitlab.gnome.org/GNOME/gupnp-igd/commit/63531558a16ac2334a59f627b2fca5576dcfbb2e.patch;
+      url = "https://gitlab.gnome.org/GNOME/gupnp-igd/commit/63531558a16ac2334a59f627b2fca5576dcfbb2e.patch";
       sha256 = "0s8lkyy9fnnnnkkqwbk6gxb7795bb1kl1swk5ldjnlrzhfcy1ab2";
     })
   ];
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to handle UPnP IGD port mapping";
-    homepage = http://www.gupnp.org/;
+    homepage = "http://www.gupnp.org/";
     license = licenses.lgpl21;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/gupnp/default.nix b/pkgs/development/libraries/gupnp/default.nix
index a69df33dd65..153eb681d63 100644
--- a/pkgs/development/libraries/gupnp/default.nix
+++ b/pkgs/development/libraries/gupnp/default.nix
@@ -40,12 +40,12 @@ stdenv.mkDerivation rec {
 
     # fix deadlock in gupnp-igd tests
     (fetchpatch {
-      url = https://gitlab.gnome.org/GNOME/gupnp/commit/d208562657f62b34759896ca9e974bd582d1f963.patch;
+      url = "https://gitlab.gnome.org/GNOME/gupnp/commit/d208562657f62b34759896ca9e974bd582d1f963.patch";
       sha256 = "02kzsb4glxhgb1npf6qqgafiki0ws75sly5h470431mihc6sgp4f";
     })
     # fix breakage in gupnp-igd tests
     (fetchpatch {
-      url = https://gitlab.gnome.org/GNOME/gupnp/commit/0648399acb989473119fe59d0b9f65c923e69483.patch;
+      url = "https://gitlab.gnome.org/GNOME/gupnp/commit/0648399acb989473119fe59d0b9f65c923e69483.patch";
       sha256 = "0ba0rngk3a4n3z4dmq06wzgh0n3q9la1nr25qdxqbwlszmxfxpjf";
     })
   ];
@@ -86,7 +86,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://www.gupnp.org/;
+    homepage = "http://www.gupnp.org/";
     description = "An implementation of the UPnP specification";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/gusb/default.nix b/pkgs/development/libraries/gusb/default.nix
index 539a1ffeed9..204c9d8dd74 100644
--- a/pkgs/development/libraries/gusb/default.nix
+++ b/pkgs/development/libraries/gusb/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GLib libusb wrapper";
-    homepage = https://github.com/hughsie/libgusb;
+    homepage = "https://github.com/hughsie/libgusb";
     license = licenses.lgpl21;
     maintainers = [ maintainers.marcweber ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/hamlib/default.nix b/pkgs/development/libraries/hamlib/default.nix
index 000af7fd74e..8a359314dee 100644
--- a/pkgs/development/libraries/hamlib/default.nix
+++ b/pkgs/development/libraries/hamlib/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     command line interface or in a text-oriented interactive interface.
     '';
     license = with stdenv.lib.licenses; [ gpl2Plus lgpl2Plus ];
-    homepage = http://hamlib.sourceforge.net;
+    homepage = "http://hamlib.sourceforge.net";
     maintainers = with stdenv.lib.maintainers; [ relrod ];
     platforms = with stdenv.lib.platforms; unix;
   };
diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index 42f68eea83f..c2a924c7e02 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "An OpenType text shaping engine";
-    homepage = http://www.freedesktop.org/wiki/Software/HarfBuzz;
+    homepage = "http://www.freedesktop.org/wiki/Software/HarfBuzz";
     downloadPage = "https://www.freedesktop.org/software/harfbuzz/release/";
     maintainers = [ maintainers.eelco ];
     license = licenses.mit;
diff --git a/pkgs/development/libraries/hawknl/default.nix b/pkgs/development/libraries/hawknl/default.nix
index 77c1ca07dc9..e9d5d5d9731 100644
--- a/pkgs/development/libraries/hawknl/default.nix
+++ b/pkgs/development/libraries/hawknl/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "hawknl-1.68";
 
   src = fetchurl {
-    url = http://urchlay.naptime.net/~urchlay/src/HawkNL168src.zip;
+    url = "http://urchlay.naptime.net/~urchlay/src/HawkNL168src.zip";
     sha256 = "11shn2fbxj3w0j77w0234pqyj1368x686kkgv09q5yqhi1cdp028";
   };
 
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://hawksoft.com/hawknl/;
+    homepage = "http://hawksoft.com/hawknl/";
     description = "Free, open source, game oriented network API";
     license = stdenv.lib.licenses.lgpl2Plus;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/herqq/default.nix b/pkgs/development/libraries/herqq/default.nix
index ec86db036e9..d3433246b78 100644
--- a/pkgs/development/libraries/herqq/default.nix
+++ b/pkgs/development/libraries/herqq/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://herqq.org;
+    homepage = "http://herqq.org";
     description = "A software library for building UPnP devices and control points";
     platforms = platforms.linux;
     maintainers = [ ];
diff --git a/pkgs/development/libraries/hiredis-vip/default.nix b/pkgs/development/libraries/hiredis-vip/default.nix
index 59e168115a8..a4c7575ac04 100644
--- a/pkgs/development/libraries/hiredis-vip/default.nix
+++ b/pkgs/development/libraries/hiredis-vip/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A C client library for the Redis database";
-    homepage = https://github.com/vipshop/hiredis-vip;
+    homepage = "https://github.com/vipshop/hiredis-vip";
     license = lib.licenses.bsd3;
   };
 
diff --git a/pkgs/development/libraries/hivex/default.nix b/pkgs/development/libraries/hivex/default.nix
index ca547faa2ab..113a49138e1 100644
--- a/pkgs/development/libraries/hivex/default.nix
+++ b/pkgs/development/libraries/hivex/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Windows registry hive extraction library";
     license = licenses.lgpl2;
-    homepage = https://github.com/libguestfs/hivex;
+    homepage = "https://github.com/libguestfs/hivex";
     maintainers = with maintainers; [offline];
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/pkgs/development/libraries/hpx/default.nix b/pkgs/development/libraries/hpx/default.nix
index 8e3327d880f..3ced1c121c6 100644
--- a/pkgs/development/libraries/hpx/default.nix
+++ b/pkgs/development/libraries/hpx/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ standard library for concurrency and parallelism";
-    homepage = https://github.com/STEllAR-GROUP/hpx;
+    homepage = "https://github.com/STEllAR-GROUP/hpx";
     license = stdenv.lib.licenses.boost;
     platforms = [ "x86_64-linux" ]; # stdenv.lib.platforms.linux;
     maintainers = with stdenv.lib.maintainers; [ bobakker ];
diff --git a/pkgs/development/libraries/hspell/default.nix b/pkgs/development/libraries/hspell/default.nix
index 32743e61797..8501bf88b6d 100644
--- a/pkgs/development/libraries/hspell/default.nix
+++ b/pkgs/development/libraries/hspell/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Hebrew spell checker";
-    homepage = http://hspell.ivrix.org.il/;
+    homepage = "http://hspell.ivrix.org.il/";
     platforms = platforms.all;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/htmlcxx/default.nix b/pkgs/development/libraries/htmlcxx/default.nix
index f0968c47822..ed3171da90f 100644
--- a/pkgs/development/libraries/htmlcxx/default.nix
+++ b/pkgs/development/libraries/htmlcxx/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [ ./ptrdiff.patch ];
 
   meta = with stdenv.lib; {
-    homepage = http://htmlcxx.sourceforge.net/;
+    homepage = "http://htmlcxx.sourceforge.net/";
     description = "A simple non-validating css1 and html parser for C++";
     license = licenses.lgpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/hunspell/default.nix b/pkgs/development/libraries/hunspell/default.nix
index a9b28253171..20acc49bb83 100644
--- a/pkgs/development/libraries/hunspell/default.nix
+++ b/pkgs/development/libraries/hunspell/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {
-    homepage = http://hunspell.sourceforge.net;
+    homepage = "http://hunspell.sourceforge.net";
     description = "Spell checker";
     longDescription = ''
       Hunspell is the spell checker of LibreOffice, OpenOffice.org, Mozilla
diff --git a/pkgs/development/libraries/hunspell/dictionaries.nix b/pkgs/development/libraries/hunspell/dictionaries.nix
index 9ec79f51443..a330691c6a5 100644
--- a/pkgs/development/libraries/hunspell/dictionaries.nix
+++ b/pkgs/development/libraries/hunspell/dictionaries.nix
@@ -39,7 +39,7 @@ let
       };
       meta = with stdenv.lib; {
         description = "Hunspell dictionary for ${shortDescription} from rla";
-        homepage = https://github.com/sbosio/rla-es;
+        homepage = "https://github.com/sbosio/rla-es";
         license = with licenses; [ gpl3 lgpl3 mpl11 ];
         maintainers = with maintainers; [ renzo ];
         platforms = platforms.all;
@@ -121,7 +121,7 @@ let
       meta = with stdenv.lib; {
         inherit longDescription;
         description = "Hunspell dictionary for ${shortDescription} from Dicollecte";
-        homepage = https://www.dicollecte.org/home.php?prj=fr;
+        homepage = "https://www.dicollecte.org/home.php?prj=fr";
         license = licenses.mpl20;
         maintainers = with maintainers; [ renzo ];
         platforms = platforms.all;
@@ -150,7 +150,7 @@ let
       readmeFile = "README_" + dictFileName + ".txt";
       meta = with stdenv.lib; {
         description = "Hunspell dictionary for ${shortDescription} from Wordlist";
-        homepage = http://wordlist.aspell.net/;
+        homepage = "http://wordlist.aspell.net/";
         license = licenses.bsd3;
         maintainers = with maintainers; [ renzo ];
         platforms = platforms.all;
@@ -177,7 +177,7 @@ let
       readmeFile = dictFileName + "_README.txt";
       meta = with stdenv.lib; {
         description = "Hunspell dictionary for ${shortDescription}";
-        homepage = https://sourceforge.net/projects/linguistico/;
+        homepage = "https://sourceforge.net/projects/linguistico/";
         license = licenses.gpl3;
         maintainers = with maintainers; [ renzo ];
         platforms = platforms.all;
@@ -218,7 +218,7 @@ let
       '';
 
       meta = with stdenv.lib; {
-        homepage = http://xuxen.eus/;
+        homepage = "http://xuxen.eus/";
         description = shortDescription;
         longDescription = longDescription;
         license = licenses.gpl2;
@@ -255,7 +255,7 @@ let
       '';
 
       meta = with stdenv.lib; {
-        homepage = https://www.j3e.de/ispell/igerman98/index_en.html;
+        homepage = "https://www.j3e.de/ispell/igerman98/index_en.html";
         description = shortDescription;
         license = with licenses; [ gpl2 gpl3 ];
         maintainers = with maintainers; [ timor ];
@@ -284,7 +284,7 @@ let
         cp -a ${sourceRoot}/* .
       '';
       meta = with stdenv.lib; {
-        homepage = https://wiki.documentfoundation.org/Development/Dictionaries;
+        homepage = "https://wiki.documentfoundation.org/Development/Dictionaries";
         description = "Hunspell dictionary for ${shortDescription} from LibreOffice";
         license = license;
         maintainers = with maintainers; [ vlaci ];
@@ -303,7 +303,7 @@ in rec {
     srcFileName = "en_US";
     dictFileName = "en_US";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_US-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_US-2018.04.16.zip";
       sha256 = "18hbncvqnckzqarrmnzk58plymjqyi93k4qj98fac5mr71jbmzaf";
     };
   };
@@ -315,7 +315,7 @@ in rec {
     srcFileName = "en_US-large";
     dictFileName = "en_US";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_US-large-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_US-large-2018.04.16.zip";
       sha256 = "1xm9jgqbivp5cb78ykjxg47vzq1yqj82l7r4q5cjpivrv99s49qc";
     };
   };
@@ -327,7 +327,7 @@ in rec {
     srcFileName = "en_CA";
     dictFileName = "en_CA";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_CA-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_CA-2018.04.16.zip";
       sha256 = "06yf3s7y1215jmikbs18cn4j8a13csp4763w3jfgah8zlim6vc47";
     };
   };
@@ -339,7 +339,7 @@ in rec {
     srcFileName = "en_CA-large";
     dictFileName = "en_CA";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_CA-large-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_CA-large-2018.04.16.zip";
       sha256 = "1200xxyvv6ni8nk52v3059c367817vnrkm0cdh38rhiigb5flfha";
     };
   };
@@ -351,7 +351,7 @@ in rec {
     srcFileName = "en_AU";
     dictFileName = "en_AU";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_AU-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_AU-2018.04.16.zip";
       sha256 = "1kp06npl1kd05mm9r52cg2iwc13x02zwqgpibdw15b6x43agg6f5";
     };
   };
@@ -363,7 +363,7 @@ in rec {
     srcFileName = "en_AU-large";
     dictFileName = "en_AU";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_AU-large-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_AU-large-2018.04.16.zip";
       sha256 = "14l1w4dpk0k1js2wwq5ilfil89ni8cigph95n1rh6xi4lzxj7h6g";
     };
   };
@@ -375,7 +375,7 @@ in rec {
     srcFileName = "en_GB-ise";
     dictFileName = "en_GB";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-ise-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-ise-2018.04.16.zip";
       sha256 = "0ylg1zvfvsawamymcc9ivrqcb9qhlpgpnizm076xc56jz554xc2l";
     };
   };
@@ -387,7 +387,7 @@ in rec {
     srcFileName = "en_GB-ize";
     dictFileName = "en_GB";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-ize-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-ize-2018.04.16.zip";
       sha256 = "1rmwy6sxmd400cwjf58az6g14sq28p18f5mlq8ybg8y33q9m42ps";
     };
   };
@@ -399,7 +399,7 @@ in rec {
     srcFileName = "en_GB-large";
     dictFileName = "en_GB";
     src = fetchurl {
-      url = mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-large-2018.04.16.zip;
+      url = "mirror://sourceforge/wordlist/speller/2018.04.16/hunspell-en_GB-large-2018.04.16.zip";
       sha256 = "1y4d7x5vvi1qh1s3i09m0vvqrpdzzqhsdngr8nsh7hc5bnlm37mi";
     };
   };
@@ -606,7 +606,7 @@ in rec {
     dictFileName = "it_IT";
     shortDescription = "Hunspell dictionary for 'Italian (Italy)' from Linguistico";
     src = fetchurl {
-      url = mirror://sourceforge/linguistico/italiano_2_4_2007_09_01.zip;
+      url = "mirror://sourceforge/linguistico/italiano_2_4_2007_09_01.zip";
       sha256 = "0m9frz75fx456bczknay5i446gdcp1smm48lc0qfwzhz0j3zcdrd";
     };
   };
@@ -716,7 +716,7 @@ in rec {
 
     meta = with stdenv.lib; {
       description = "Hunspell dictionary for Ukrainian (Ukraine) from LibreOffice";
-      homepage = https://extensions.libreoffice.org/extensions/ukrainian-spelling-dictionary-and-thesaurus/;
+      homepage = "https://extensions.libreoffice.org/extensions/ukrainian-spelling-dictionary-and-thesaurus/";
       license = licenses.mpl20;
       maintainers = with maintainers; [ dywedir ];
       platforms = platforms.all;
diff --git a/pkgs/development/libraries/icu/63.nix b/pkgs/development/libraries/icu/63.nix
index 719318990c6..07684d8db81 100644
--- a/pkgs/development/libraries/icu/63.nix
+++ b/pkgs/development/libraries/icu/63.nix
@@ -6,7 +6,7 @@ import ./base.nix {
   patches = [
     # https://bugzilla.mozilla.org/show_bug.cgi?id=1499398
     (fetchpatch {
-      url = https://github.com/unicode-org/icu/commit/8baff8f03e07d8e02304d0c888d0bb21ad2eeb01.patch;
+      url = "https://github.com/unicode-org/icu/commit/8baff8f03e07d8e02304d0c888d0bb21ad2eeb01.patch";
       sha256 = "1awfa98ljcf95a85cssahw6bvdnpbq5brf1kgspy14w4mlmhd0jb";
     })
   ];
diff --git a/pkgs/development/libraries/icu/base.nix b/pkgs/development/libraries/icu/base.nix
index e51224433e8..96b00027e20 100644
--- a/pkgs/development/libraries/icu/base.nix
+++ b/pkgs/development/libraries/icu/base.nix
@@ -44,7 +44,7 @@ let
 
     meta = with stdenv.lib; {
       description = "Unicode and globalization support library";
-      homepage = http://site.icu-project.org/;
+      homepage = "http://site.icu-project.org/";
       maintainers = with maintainers; [ raskin ];
       platforms = platforms.all;
     };
diff --git a/pkgs/development/libraries/id3lib/default.nix b/pkgs/development/libraries/id3lib/default.nix
index ddce76b10f7..6889a9f573a 100644
--- a/pkgs/development/libraries/id3lib/default.nix
+++ b/pkgs/development/libraries/id3lib/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [ zlib ];
 
   src = fetchurl {
-    url = mirror://sourceforge/id3lib/id3lib-3.8.3.tar.gz;
+    url = "mirror://sourceforge/id3lib/id3lib-3.8.3.tar.gz";
     sha256 = "0yfhqwk0w8q2hyv1jib1008jvzmwlpsxvc8qjllhna6p1hycqj97";
   };
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Library for reading, writing, and manipulating ID3v1 and ID3v2 tags";
-    homepage = http://id3lib.sourceforge.net;
+    homepage = "http://id3lib.sourceforge.net";
     platforms = platforms.unix;
     license = licenses.lgpl2;
   };
diff --git a/pkgs/development/libraries/idnkit/default.nix b/pkgs/development/libraries/idnkit/default.nix
index 3d00d20f170..da7b9f1f271 100644
--- a/pkgs/development/libraries/idnkit/default.nix
+++ b/pkgs/development/libraries/idnkit/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libiconv ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.nic.ad.jp/ja/idn/idnkit;
+    homepage = "https://www.nic.ad.jp/ja/idn/idnkit";
     description = "Provides functionalities about i18n domain name processing";
     license = "idnkit-2 license";
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/ignition-math/default.nix b/pkgs/development/libraries/ignition-math/default.nix
index 3a642c8837a..df4c3230b96 100644
--- a/pkgs/development/libraries/ignition-math/default.nix
+++ b/pkgs/development/libraries/ignition-math/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://ignitionrobotics.org/libraries/math;
+    homepage = "https://ignitionrobotics.org/libraries/math";
     description = "Math library by Ingition Robotics, created for the Gazebo project";
     license = licenses.asl20;
     maintainers = with maintainers; [ pxc ];
diff --git a/pkgs/development/libraries/ignition-transport/generic.nix b/pkgs/development/libraries/ignition-transport/generic.nix
index 0e7603db585..2573c97aa09 100644
--- a/pkgs/development/libraries/ignition-transport/generic.nix
+++ b/pkgs/development/libraries/ignition-transport/generic.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://ignitionrobotics.org/libraries/math;
+    homepage = "https://ignitionrobotics.org/libraries/math";
     description = "Math library by Ingition Robotics, created for the Gazebo project";
     license = licenses.asl20;
     maintainers = with maintainers; [ pxc ];
diff --git a/pkgs/development/libraries/igraph/default.nix b/pkgs/development/libraries/igraph/default.nix
index f3206700cb8..fcb5e7918d9 100644
--- a/pkgs/development/libraries/igraph/default.nix
+++ b/pkgs/development/libraries/igraph/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "The network analysis package";
-    homepage = https://igraph.org/;
+    homepage = "https://igraph.org/";
     license = lib.licenses.gpl2;
     maintainers = [ lib.maintainers.MostAwesomeDude ];
   };
diff --git a/pkgs/development/libraries/ijs/default.nix b/pkgs/development/libraries/ijs/default.nix
index 98a34477e4f..46ed422b540 100644
--- a/pkgs/development/libraries/ijs/default.nix
+++ b/pkgs/development/libraries/ijs/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   configureFlags = [ "--enable-shared" ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.openprinting.org/download/ijs/;
+    homepage = "https://www.openprinting.org/download/ijs/";
     description = "Raster printer driver architecture";
 
     license = licenses.gpl3Plus;
diff --git a/pkgs/development/libraries/iksemel/default.nix b/pkgs/development/libraries/iksemel/default.nix
index 6330347cd27..7f7645edc91 100644
--- a/pkgs/development/libraries/iksemel/default.nix
+++ b/pkgs/development/libraries/iksemel/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "XML parser for jabber";
 
-    homepage = https://github.com/timothytylee/iksemel-1.4;
+    homepage = "https://github.com/timothytylee/iksemel-1.4";
     license = licenses.gpl2;
     maintainers = with maintainers; [ disassembler ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/ilbc/default.nix b/pkgs/development/libraries/ilbc/default.nix
index cb83322ebb6..37885c767bd 100644
--- a/pkgs/development/libraries/ilbc/default.nix
+++ b/pkgs/development/libraries/ilbc/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   script = ./extract-cfile.awk;
 
   rfc3951 = fetchurl {
-    url = http://www.ietf.org/rfc/rfc3951.txt;
+    url = "http://www.ietf.org/rfc/rfc3951.txt";
     sha256 = "0zf4mvi3jzx6zjrfl2rbhl2m68pzbzpf1vbdmn7dqbfpcb67jpdy";
   };
 
diff --git a/pkgs/development/libraries/ilixi/default.nix b/pkgs/development/libraries/ilixi/default.nix
index bb6e23937c0..6f789174ec0 100644
--- a/pkgs/development/libraries/ilixi/default.nix
+++ b/pkgs/development/libraries/ilixi/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Lightweight C++ GUI toolkit for embedded Linux systems";
-    homepage = https://github.com/ilixi/ilixi;
+    homepage = "https://github.com/ilixi/ilixi";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/ilmbase/default.nix b/pkgs/development/libraries/ilmbase/default.nix
index 00cdda1e570..99e47b0b303 100644
--- a/pkgs/development/libraries/ilmbase/default.nix
+++ b/pkgs/development/libraries/ilmbase/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = " A library for 2D/3D vectors and matrices and other mathematical objects, functions and data types for computer graphics";
-    homepage = https://www.openexr.com/;
+    homepage = "https://www.openexr.com/";
     license = licenses.bsd3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/iml/default.nix b/pkgs/development/libraries/iml/default.nix
index 2b85f12115b..598d7a58ef9 100644
--- a/pkgs/development/libraries/iml/default.nix
+++ b/pkgs/development/libraries/iml/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.unix;
-    homepage = https://cs.uwaterloo.ca/~astorjoh/iml.html;
+    homepage = "https://cs.uwaterloo.ca/~astorjoh/iml.html";
     updateWalker = true;
   };
 }
diff --git a/pkgs/development/libraries/imlib/default.nix b/pkgs/development/libraries/imlib/default.nix
index e476bc22eca..b94af22c0a7 100644
--- a/pkgs/development/libraries/imlib/default.nix
+++ b/pkgs/development/libraries/imlib/default.nix
@@ -3,14 +3,14 @@
 stdenv.mkDerivation {
   name = "imlib-1.9.15";
   src = fetchurl {
-    url = http://tarballs.nixos.org/imlib-1.9.15.tar.gz;
+    url = "http://tarballs.nixos.org/imlib-1.9.15.tar.gz";
     sha256 = "0ggjxyvgp4pxc0b88v40xj9daz90518ydnycw7qax011gxpr12d3";
   };
 
   patches = [
     (fetchpatch {
       name = "CVE-2007-3568.patch";
-      url = https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/imlib/files/imlib-1.9.15-bpp16-CVE-2007-3568.patch;
+      url = "https://gitweb.gentoo.org/repo/gentoo.git/plain/media-libs/imlib/files/imlib-1.9.15-bpp16-CVE-2007-3568.patch";
       sha256 = "0lxfibi094gki39sq1w4p0hcx25xlk0875agbhjkjngzx862wvbg";
     })
   ];
diff --git a/pkgs/development/libraries/indicator-application/gtk2.nix b/pkgs/development/libraries/indicator-application/gtk2.nix
index 16a21382d85..6ac74988dff 100644
--- a/pkgs/development/libraries/indicator-application/gtk2.nix
+++ b/pkgs/development/libraries/indicator-application/gtk2.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Indicator to take menus from applications and place them in the panel (GTK 2 library for Xfce/LXDE)";
-    homepage = https://launchpad.net/indicators-gtk2;
+    homepage = "https://launchpad.net/indicators-gtk2";
     license = licenses.gpl3;
     platforms = platforms.linux;
     maintainers = [ maintainers.msteen ];
diff --git a/pkgs/development/libraries/indicator-application/gtk3.nix b/pkgs/development/libraries/indicator-application/gtk3.nix
index 02357297635..a523019e78c 100644
--- a/pkgs/development/libraries/indicator-application/gtk3.nix
+++ b/pkgs/development/libraries/indicator-application/gtk3.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Indicator to take menus from applications and place them in the panel";
-    homepage = https://launchpad.net/indicator-application;
+    homepage = "https://launchpad.net/indicator-application";
     license = licenses.gpl3;
     platforms = platforms.linux;
     maintainers = [ maintainers.msteen ];
diff --git a/pkgs/development/libraries/indilib/default.nix b/pkgs/development/libraries/indilib/default.nix
index 6fe4484e6a3..fadd2657b68 100644
--- a/pkgs/development/libraries/indilib/default.nix
+++ b/pkgs/development/libraries/indilib/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   name = "indilib-1.1.0";
 
   src = fetchurl {
-    url = mirror://sourceforge/indi/libindi_1.1.0.tar.gz;
+    url = "mirror://sourceforge/indi/libindi_1.1.0.tar.gz";
     sha256 = "1bs6lkwqd4aashg93mqqkc7nrg7fbx9mdw85qs5263jqa6sr780w";
   };
 
diff --git a/pkgs/development/libraries/ip2location-c/default.nix b/pkgs/development/libraries/ip2location-c/default.nix
index 50ae63f2d0d..8387aa67161 100644
--- a/pkgs/development/libraries/ip2location-c/default.nix
+++ b/pkgs/development/libraries/ip2location-c/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       weather, MCC, MNC, mobile brand name, elevation and usage type of
       any IP address or host name in the IP2Location databases.
     '';
-    homepage = http://www.ip2location.com/developers/c-7;
+    homepage = "http://www.ip2location.com/developers/c-7";
     license = with licenses; [ gpl3Plus lgpl3Plus ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/irrlicht/default.nix b/pkgs/development/libraries/irrlicht/default.nix
index f411ecdeea6..efb4c2022c4 100644
--- a/pkgs/development/libraries/irrlicht/default.nix
+++ b/pkgs/development/libraries/irrlicht/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ unzip libGLU libGL libXrandr libX11 libXxf86vm ];
 
   meta = {
-    homepage = http://irrlicht.sourceforge.net/;
+    homepage = "http://irrlicht.sourceforge.net/";
     license = stdenv.lib.licenses.zlib;
     description = "Open source high performance realtime 3D engine written in C++";
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
diff --git a/pkgs/development/libraries/irrlicht/mac.nix b/pkgs/development/libraries/irrlicht/mac.nix
index beead1f9b85..5f8335efab2 100644
--- a/pkgs/development/libraries/irrlicht/mac.nix
+++ b/pkgs/development/libraries/irrlicht/mac.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ unzip OpenGL Cocoa IOKit ];
 
   meta = {
-    homepage = http://irrlicht.sourceforge.net/;
+    homepage = "http://irrlicht.sourceforge.net/";
     license = stdenv.lib.licenses.zlib;
     description = "Open source high performance realtime 3D engine written in C++";
     platforms = stdenv.lib.platforms.darwin;
diff --git a/pkgs/development/libraries/isl/0.11.1.nix b/pkgs/development/libraries/isl/0.11.1.nix
index 13c71dc8f70..1cac0d369fe 100644
--- a/pkgs/development/libraries/isl/0.11.1.nix
+++ b/pkgs/development/libraries/isl/0.11.1.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://www.kotnet.org/~skimo/isl/;
+    homepage = "https://www.kotnet.org/~skimo/isl/";
     license = stdenv.lib.licenses.lgpl21;
     description = "A library for manipulating sets and relations of integer points bounded by linear constraints";
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/isl/0.14.1.nix b/pkgs/development/libraries/isl/0.14.1.nix
index 1ff4b7ec18a..a97e05b0431 100644
--- a/pkgs/development/libraries/isl/0.14.1.nix
+++ b/pkgs/development/libraries/isl/0.14.1.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://www.kotnet.org/~skimo/isl/;
+    homepage = "https://www.kotnet.org/~skimo/isl/";
     license = stdenv.lib.licenses.lgpl21;
     description = "A library for manipulating sets and relations of integer points bounded by linear constraints";
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/isl/0.17.1.nix b/pkgs/development/libraries/isl/0.17.1.nix
index 59d4d38ce57..018f7085088 100644
--- a/pkgs/development/libraries/isl/0.17.1.nix
+++ b/pkgs/development/libraries/isl/0.17.1.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://www.kotnet.org/~skimo/isl/;
+    homepage = "https://www.kotnet.org/~skimo/isl/";
     license = stdenv.lib.licenses.lgpl21;
     description = "A library for manipulating sets and relations of integer points bounded by linear constraints";
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/isl/0.20.0.nix b/pkgs/development/libraries/isl/0.20.0.nix
index 72ef581725b..3775bdc71e0 100644
--- a/pkgs/development/libraries/isl/0.20.0.nix
+++ b/pkgs/development/libraries/isl/0.20.0.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = http://isl.gforge.inria.fr/;
+    homepage = "http://isl.gforge.inria.fr/";
     license = stdenv.lib.licenses.lgpl21;
     description = "A library for manipulating sets and relations of integer points bounded by linear constraints";
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/iso-codes/default.nix b/pkgs/development/libraries/iso-codes/default.nix
index 1766abb2aac..9ab25b410b4 100644
--- a/pkgs/development/libraries/iso-codes/default.nix
+++ b/pkgs/development/libraries/iso-codes/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ gettext python3 ];
 
   meta = with stdenv.lib; {
-    homepage = https://salsa.debian.org/iso-codes-team/iso-codes;
+    homepage = "https://salsa.debian.org/iso-codes-team/iso-codes";
     description = "Various ISO codes packaged as XML files";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/itk/4.x.nix b/pkgs/development/libraries/itk/4.x.nix
index 7e24ba901e5..833723d4d2d 100644
--- a/pkgs/development/libraries/itk/4.x.nix
+++ b/pkgs/development/libraries/itk/4.x.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "itk-4.13.2";
 
   src = fetchurl {
-    url = mirror://sourceforge/itk/InsightToolkit-4.13.2.tar.xz;
+    url = "mirror://sourceforge/itk/InsightToolkit-4.13.2.tar.xz";
     sha256 = "19cgfpd63gqrvc3m27m394gy2d7w79g5y6lvznb5qqr49lihbgns";
   };
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Insight Segmentation and Registration Toolkit";
-    homepage = http://www.itk.org/;
+    homepage = "http://www.itk.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/itk/default.nix b/pkgs/development/libraries/itk/default.nix
index 3577e7a8196..d745ff438ce 100644
--- a/pkgs/development/libraries/itk/default.nix
+++ b/pkgs/development/libraries/itk/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Insight Segmentation and Registration Toolkit";
-    homepage = http://www.itk.org/;
+    homepage = "http://www.itk.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [viric];
   };
diff --git a/pkgs/development/libraries/jama/default.nix b/pkgs/development/libraries/jama/default.nix
index 26ec06fad7b..5c7473be647 100644
--- a/pkgs/development/libraries/jama/default.nix
+++ b/pkgs/development/libraries/jama/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.2.5";
 
   src = fetchurl {
-    url = https://math.nist.gov/tnt/jama125.zip;
+    url = "https://math.nist.gov/tnt/jama125.zip";
     sha256 = "031ns526fvi2nv7jzzv02i7i5sjcyr0gj884i3an67qhsx8vyckl";
   };
 
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://math.nist.gov/tnt/;
+    homepage = "https://math.nist.gov/tnt/";
     description = "JAMA/C++ Linear Algebra Package: Java-like matrix C++ templates";
     platforms = platforms.unix;
     license = licenses.publicDomain;
diff --git a/pkgs/development/libraries/jansson/default.nix b/pkgs/development/libraries/jansson/default.nix
index 25b55f00311..c1653ea5d1b 100644
--- a/pkgs/development/libraries/jansson/default.nix
+++ b/pkgs/development/libraries/jansson/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://www.digip.org/jansson/;
+    homepage = "http://www.digip.org/jansson/";
     description = "C library for encoding, decoding and manipulating JSON data";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/jasper/default.nix b/pkgs/development/libraries/jasper/default.nix
index 093fd0c5f28..cd7b1cf4fd1 100644
--- a/pkgs/development/libraries/jasper/default.nix
+++ b/pkgs/development/libraries/jasper/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.ece.uvic.ca/~frodo/jasper/;
+    homepage = "https://www.ece.uvic.ca/~frodo/jasper/";
     description = "JPEG2000 Library";
     platforms = platforms.unix;
     license = licenses.jasper;
diff --git a/pkgs/development/libraries/java/commons/bsf/default.nix b/pkgs/development/libraries/java/commons/bsf/default.nix
index e3c464482c7..46bd3c0fd15 100644
--- a/pkgs/development/libraries/java/commons/bsf/default.nix
+++ b/pkgs/development/libraries/java/commons/bsf/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "commons-bsf-1.2";
 
   src = fetchurl {
-    url = mirror://apache/commons/bsf/binaries/bsf-bin-2.4.0.tar.gz;
+    url = "mirror://apache/commons/bsf/binaries/bsf-bin-2.4.0.tar.gz";
     sha256 = "1my3hv4y8cvrd1kr315wvbjqsamzlzswnbqcmsa2m4hqcafddfr8";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Interface to scripting languages, including JSR-223";
-    homepage = http://commons.apache.org/proper/commons-bsf/;
+    homepage = "http://commons.apache.org/proper/commons-bsf/";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/java/commons/compress/default.nix b/pkgs/development/libraries/java/commons/compress/default.nix
index d418145e1b5..a9624ff243c 100644
--- a/pkgs/development/libraries/java/commons/compress/default.nix
+++ b/pkgs/development/libraries/java/commons/compress/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage    = http://commons.apache.org/proper/commons-compress;
+    homepage    = "http://commons.apache.org/proper/commons-compress";
     description = "Allows manipulation of ar, cpio, Unix dump, tar, zip, gzip, XZ, Pack200, bzip2, 7z, arj, lzma, snappy, DEFLATE and Z files";
     maintainers = with stdenv.lib.maintainers; [ copumpkin ];
     license     = stdenv.lib.licenses.asl20;
diff --git a/pkgs/development/libraries/java/commons/fileupload/default.nix b/pkgs/development/libraries/java/commons/fileupload/default.nix
index 0aca6bf8baa..cd439b50397 100644
--- a/pkgs/development/libraries/java/commons/fileupload/default.nix
+++ b/pkgs/development/libraries/java/commons/fileupload/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage    = http://commons.apache.org/proper/commons-fileupload;
+    homepage    = "http://commons.apache.org/proper/commons-fileupload";
     description = "Makes it easy to add robust, high-performance, file upload capability to your servlets and web applications";
     maintainers = with stdenv.lib.maintainers; [ copumpkin ];
     license     = stdenv.lib.licenses.asl20;
diff --git a/pkgs/development/libraries/java/commons/logging/default.nix b/pkgs/development/libraries/java/commons/logging/default.nix
index 4e3fa265502..7c2192e4952 100644
--- a/pkgs/development/libraries/java/commons/logging/default.nix
+++ b/pkgs/development/libraries/java/commons/logging/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "commons-logging-1.2";
 
   src = fetchurl {
-    url    = mirror://apache/commons/logging/binaries/commons-logging-1.2-bin.tar.gz;
+    url    = "mirror://apache/commons/logging/binaries/commons-logging-1.2-bin.tar.gz";
     sha256 = "1gc70pmcv0x6ibl89jglmr22f8zpr63iaifi49nrq399qw2qhx9z";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Wrapper around a variety of logging API implementations";
-    homepage = http://commons.apache.org/proper/commons-logging;
+    homepage = "http://commons.apache.org/proper/commons-logging";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/java/cup/default.nix b/pkgs/development/libraries/java/cup/default.nix
index e485eabe1cb..acf8cc9b83d 100644
--- a/pkgs/development/libraries/java/cup/default.nix
+++ b/pkgs/development/libraries/java/cup/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://www2.cs.tum.edu/projects/cup/;
+    homepage = "http://www2.cs.tum.edu/projects/cup/";
     description = "LALR parser generator for Java";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/java/dbus-java/default.nix b/pkgs/development/libraries/java/dbus-java/default.nix
index 5ec10cc7e0d..5e574151650 100644
--- a/pkgs/development/libraries/java/dbus-java/default.nix
+++ b/pkgs/development/libraries/java/dbus-java/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "dbus-java-2.7";
   src = fetchurl {
-    url = https://dbus.freedesktop.org/releases/dbus-java/dbus-java-2.7.tar.gz;
+    url = "https://dbus.freedesktop.org/releases/dbus-java/dbus-java-2.7.tar.gz";
     sha256 = "0cyaxd8x6sxmi6pklkkx45j311a6w51fxl4jc5j3inc4cailwh5y";
   };
   JAVA_HOME=jdk;
diff --git a/pkgs/development/libraries/java/geoipjava/default.nix b/pkgs/development/libraries/java/geoipjava/default.nix
index 6af8885464a..6d4dfbfe61c 100644
--- a/pkgs/development/libraries/java/geoipjava/default.nix
+++ b/pkgs/development/libraries/java/geoipjava/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "GeoIPJava-1.2.5";
   src = fetchurl {
-    url = https://geolite.maxmind.com/download/geoip/api/java/GeoIPJava-1.2.5.zip;
+    url = "https://geolite.maxmind.com/download/geoip/api/java/GeoIPJava-1.2.5.zip";
     sha256 = "1gb2d0qvvq7xankz7l7ymbr3qprwk9bifpy4hlgw0sq4i6a55ypd";
   };
   buildInputs = [ jdk unzip ];
diff --git a/pkgs/development/libraries/java/gwt-dragdrop/default.nix b/pkgs/development/libraries/java/gwt-dragdrop/default.nix
index e34699d7740..37d7cac0da2 100644
--- a/pkgs/development/libraries/java/gwt-dragdrop/default.nix
+++ b/pkgs/development/libraries/java/gwt-dragdrop/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = http://gwt-dnd.googlecode.com/files/gwt-dnd-2.6.5.jar;
+    url = "http://gwt-dnd.googlecode.com/files/gwt-dnd-2.6.5.jar";
     sha256 = "07zdlr8afs499asnw0dcjmw1cnjc646v91lflx5dv4qj374c97fw";
   };
 
diff --git a/pkgs/development/libraries/java/gwt-widgets/default.nix b/pkgs/development/libraries/java/gwt-widgets/default.nix
index ec407076906..a968ebc5fd8 100644
--- a/pkgs/development/libraries/java/gwt-widgets/default.nix
+++ b/pkgs/development/libraries/java/gwt-widgets/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = mirror://sourceforge/gwt-widget/gwt-widgets-0.2.0-bin.tar.gz;
+    url = "mirror://sourceforge/gwt-widget/gwt-widgets-0.2.0-bin.tar.gz";
     sha256 = "09isj4j6842rj13nv8264irkjjhvmgihmi170ciabc98911bakxb";
   };
 
diff --git a/pkgs/development/libraries/java/httpunit/default.nix b/pkgs/development/libraries/java/httpunit/default.nix
index 500c575f73a..34af97605d2 100644
--- a/pkgs/development/libraries/java/httpunit/default.nix
+++ b/pkgs/development/libraries/java/httpunit/default.nix
@@ -5,14 +5,14 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = mirror://sourceforge/httpunit/httpunit-1.7.zip;
+    url = "mirror://sourceforge/httpunit/httpunit-1.7.zip";
     sha256 = "09gnayqgizd8cjqayvdpkxrc69ipyxawc96aznfrgdhdiwv8l5zf";
   };
 
   inherit unzip;
 
   meta = with stdenv.lib; {
-    homepage = http://httpunit.sourceforge.net;
+    homepage = "http://httpunit.sourceforge.net";
     platforms = platforms.unix;
     license = licenses.mit;
   };
diff --git a/pkgs/development/libraries/java/hydra-ant-logger/default.nix b/pkgs/development/libraries/java/hydra-ant-logger/default.nix
index 1f2aeda80cf..54e85ec5589 100644
--- a/pkgs/development/libraries/java/hydra-ant-logger/default.nix
+++ b/pkgs/development/libraries/java/hydra-ant-logger/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   version = "2010.2";
 
   src = fetchgit {
-    url = https://github.com/NixOS/hydra-ant-logger.git;
+    url = "https://github.com/NixOS/hydra-ant-logger.git";
     rev = "dae3224f4ed42418d3492bdf5bee4f825819006f";
     sha256 = "01s7m6007rn9107rw5wcgna7i20x6p6kfzl4f79jrvpkjy6kz176";
   };
diff --git a/pkgs/development/libraries/java/jdom/default.nix b/pkgs/development/libraries/java/jdom/default.nix
index 16755471acd..60558f72cfc 100644
--- a/pkgs/development/libraries/java/jdom/default.nix
+++ b/pkgs/development/libraries/java/jdom/default.nix
@@ -5,13 +5,13 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = http://www.jdom.org/dist/binary/jdom-1.0.tar.gz;
+    url = "http://www.jdom.org/dist/binary/jdom-1.0.tar.gz";
     sha256 = "1igmxzcy0s25zcy9vmcw0kd13lh60r0b4qg8lnp1jic33f427pxf";
   };
 
   meta = with stdenv.lib; {
     description = "Java-based solution for accessing, manipulating, and outputting XML data from Java code";
-    homepage = http://www.jdom.org;
+    homepage = "http://www.jdom.org";
     platforms = platforms.unix;
     license = licenses.bsdOriginal;
   };
diff --git a/pkgs/development/libraries/java/junit/default.nix b/pkgs/development/libraries/java/junit/default.nix
index 0879f0a6926..c114ddeac27 100644
--- a/pkgs/development/libraries/java/junit/default.nix
+++ b/pkgs/development/libraries/java/junit/default.nix
@@ -20,7 +20,7 @@ in antBuild {
   ];
 
   meta = {
-    homepage = http://www.junit.org/;
+    homepage = "http://www.junit.org/";
     description = "A framework for repeatable tests in Java";
     license = stdenv.lib.licenses.epl10;
     broken = true;
diff --git a/pkgs/development/libraries/java/junixsocket/default.nix b/pkgs/development/libraries/java/junixsocket/default.nix
index bc34957b9c3..cb88df276a5 100644
--- a/pkgs/development/libraries/java/junixsocket/default.nix
+++ b/pkgs/development/libraries/java/junixsocket/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A Java/JNI library for using Unix Domain Sockets from Java";
-    homepage = https://github.com/kohlschutter/junixsocket;
+    homepage = "https://github.com/kohlschutter/junixsocket";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
diff --git a/pkgs/development/libraries/java/jzmq/default.nix b/pkgs/development/libraries/java/jzmq/default.nix
index e25106e22c6..5bc0f15b205 100644
--- a/pkgs/development/libraries/java/jzmq/default.nix
+++ b/pkgs/development/libraries/java/jzmq/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://www.zeromq.org;
+    homepage = "http://www.zeromq.org";
     description = "Java bindings for ZeroMQ";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.lgpl3;
diff --git a/pkgs/development/libraries/java/libmatthew-java/default.nix b/pkgs/development/libraries/java/libmatthew-java/default.nix
index 98291a7763c..8b8123dff2b 100644
--- a/pkgs/development/libraries/java/libmatthew-java/default.nix
+++ b/pkgs/development/libraries/java/libmatthew-java/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libmatthew-java-0.8";
   src = fetchurl {
-    url = https://src.fedoraproject.org/repo/pkgs/libmatthew-java/libmatthew-java-0.8.tar.gz/8455b8751083ce25c99c2840609271f5/libmatthew-java-0.8.tar.gz;
+    url = "https://src.fedoraproject.org/repo/pkgs/libmatthew-java/libmatthew-java-0.8.tar.gz/8455b8751083ce25c99c2840609271f5/libmatthew-java-0.8.tar.gz";
     sha256 = "1yldkhsdzm0a41a0i881bin2jklhp85y3ah245jd6fz3npcx7l85";
   };
   JAVA_HOME=jdk;
diff --git a/pkgs/development/libraries/java/lombok/default.nix b/pkgs/development/libraries/java/lombok/default.nix
index 09cec463141..f48c4821d92 100644
--- a/pkgs/development/libraries/java/lombok/default.nix
+++ b/pkgs/development/libraries/java/lombok/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     description = "A library that can write a lot of boilerplate for your Java project";
     platforms = stdenv.lib.platforms.all;
     license = stdenv.lib.licenses.mit;
-    homepage = https://projectlombok.org/;
+    homepage = "https://projectlombok.org/";
     maintainers = [ stdenv.lib.maintainers.CrystalGamma ];
   };
 }
diff --git a/pkgs/development/libraries/java/mockobjects/default.nix b/pkgs/development/libraries/java/mockobjects/default.nix
index ae93765ff98..817c861436f 100644
--- a/pkgs/development/libraries/java/mockobjects/default.nix
+++ b/pkgs/development/libraries/java/mockobjects/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = mirror://sourceforge/mockobjects/mockobjects-bin-0.09.tar;
+    url = "mirror://sourceforge/mockobjects/mockobjects-bin-0.09.tar";
     sha256 = "18rnyqfcyh0s3dwkkaszdd50ssyjx5fa1y3ii309ldqg693lfgnz";
   };
 
diff --git a/pkgs/development/libraries/java/rhino/default.nix b/pkgs/development/libraries/java/rhino/default.nix
index 0fdce1bceed..d3d10f61b70 100644
--- a/pkgs/development/libraries/java/rhino/default.nix
+++ b/pkgs/development/libraries/java/rhino/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation {
          to provide scripting to end users.
       '';
 
-    homepage = http://www.mozilla.org/rhino/;
+    homepage = "http://www.mozilla.org/rhino/";
 
     license = with licenses; [ mpl11 /* or */ gpl2Plus ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/java/saxon/default.nix b/pkgs/development/libraries/java/saxon/default.nix
index 687e1e8a1de..ef403be60df 100644
--- a/pkgs/development/libraries/java/saxon/default.nix
+++ b/pkgs/development/libraries/java/saxon/default.nix
@@ -28,7 +28,7 @@ let
 
       meta = with stdenv.lib; {
         inherit description license;
-        homepage = http://saxon.sourceforge.net/;
+        homepage = "http://saxon.sourceforge.net/";
         maintainers = with maintainers; [ rvl ];
         platforms = platforms.all;
       };
@@ -39,7 +39,7 @@ in {
     pname = "saxon";
     version = "6.5.3";
     src = fetchurl {
-      url = mirror://sourceforge/saxon/saxon6_5_3.zip;
+      url = "mirror://sourceforge/saxon/saxon6_5_3.zip";
       sha256 = "0l5y3y2z4wqgh80f26dwwxwncs8v3nkz3nidv14z024lmk730vs3";
     };
     description = "XSLT 1.0 processor";
@@ -52,7 +52,7 @@ in {
     version = "8.8";
     jar = "saxon8";
     src = fetchurl {
-      url = mirror://sourceforge/saxon/saxonb8-8j.zip;
+      url = "mirror://sourceforge/saxon/saxonb8-8j.zip";
       sha256 = "15bzrfyd2f1045rsp9dp4znyhmizh1pm97q8ji2bc0b43q23xsb8";
     };
     description = "Complete and conformant processor of XSLT 2.0, XQuery 1.0, and XPath 2.0";
@@ -63,7 +63,7 @@ in {
     version = "9.1.0.8";
     jar = "saxon9";
     src = fetchurl {
-      url = mirror://sourceforge/saxon/Saxon-B/9.1.0.8/saxonb9-1-0-8j.zip;
+      url = "mirror://sourceforge/saxon/Saxon-B/9.1.0.8/saxonb9-1-0-8j.zip";
       sha256 = "1d39jdnwr3v3pzswm81zry6yikqlqy9dp2l2wmpqdiw00r5drg4j";
     };
     description = "Complete and conformant processor of XSLT 2.0, XQuery 1.0, and XPath 2.0";
@@ -75,7 +75,7 @@ in {
     prog = "saxon-he";
     jar = "saxon9he";
     src = fetchurl {
-      url = mirror://sourceforge/saxon/Saxon-HE/9.9/SaxonHE9-9-0-1J.zip;
+      url = "mirror://sourceforge/saxon/Saxon-HE/9.9/SaxonHE9-9-0-1J.zip";
       sha256 = "1inxd7ia7rl9fxfrw8dy9sb7rqv76ipblaki5262688wf2dscs60";
     };
     description = "Processor for XSLT 3.0, XPath 2.0 and 3.1, and XQuery 3.1";
diff --git a/pkgs/development/libraries/java/smack/default.nix b/pkgs/development/libraries/java/smack/default.nix
index d5f8ac217f3..c1d41e7743d 100644
--- a/pkgs/development/libraries/java/smack/default.nix
+++ b/pkgs/development/libraries/java/smack/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   builder = ./builder.sh;
 
   src = fetchurl {
-    url = http://www.igniterealtime.org/downloadServlet?filename=smack/smack_4_1_9.tar.gz;
+    url = "http://www.igniterealtime.org/downloadServlet?filename=smack/smack_4_1_9.tar.gz";
     sha256 = "009x0qcxd4dkvwcjz2nla470pwbabwvg37wc21pslpw42ldi0bzp";
   };
 
diff --git a/pkgs/development/libraries/java/swt/default.nix b/pkgs/development/libraries/java/swt/default.nix
index b0fdca11218..b96c9171324 100644
--- a/pkgs/development/libraries/java/swt/default.nix
+++ b/pkgs/development/libraries/java/swt/default.nix
@@ -64,7 +64,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.eclipse.org/swt/;
+    homepage = "http://www.eclipse.org/swt/";
     description = "An widget toolkit for Java to access the user-interface facilities of the operating systems on which it is implemented";
     license = licenses.epl10;
     maintainers = with maintainers; [ pSub ];
diff --git a/pkgs/development/libraries/jbig2dec/default.nix b/pkgs/development/libraries/jbig2dec/default.nix
index 2dff3bafdd3..8cc2ce00871 100644
--- a/pkgs/development/libraries/jbig2dec/default.nix
+++ b/pkgs/development/libraries/jbig2dec/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = {
-    homepage = https://www.jbig2dec.com/;
+    homepage = "https://www.jbig2dec.com/";
     description = "Decoder implementation of the JBIG2 image compression format";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/jbigkit/default.nix b/pkgs/development/libraries/jbigkit/default.nix
index 2b2f75abfd1..dbf728e7d82 100644
--- a/pkgs/development/libraries/jbigkit/default.nix
+++ b/pkgs/development/libraries/jbigkit/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.cl.cam.ac.uk/~mgk25/jbigkit/;
+    homepage = "http://www.cl.cam.ac.uk/~mgk25/jbigkit/";
     description = "A software implementation of the JBIG1 data compression standard";
     license = licenses.gpl2;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/jcal/default.nix b/pkgs/development/libraries/jcal/default.nix
index dfb0003cc98..8e7818bf4e5 100644
--- a/pkgs/development/libraries/jcal/default.nix
+++ b/pkgs/development/libraries/jcal/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Jalali calendar is a small and portable free software library to manipulate date and time in Jalali calendar system.";
-    homepage =  http://nongnu.org/jcal/;
+    homepage =  "http://nongnu.org/jcal/";
     license = licenses.gpl3;
     maintainers = [ maintainers.linarcx ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/jemalloc/common.nix b/pkgs/development/libraries/jemalloc/common.nix
index 128910e00f2..fc4f0f2fe6e 100644
--- a/pkgs/development/libraries/jemalloc/common.nix
+++ b/pkgs/development/libraries/jemalloc/common.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://jemalloc.net;
+    homepage = "http://jemalloc.net";
     description = "General purpose malloc(3) implementation";
     longDescription = ''
       malloc(3)-compatible memory allocator that emphasizes fragmentation
diff --git a/pkgs/development/libraries/jitterentropy/default.nix b/pkgs/development/libraries/jitterentropy/default.nix
index 6492077eee4..4cafa7434b1 100644
--- a/pkgs/development/libraries/jitterentropy/default.nix
+++ b/pkgs/development/libraries/jitterentropy/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Provides a noise source using the CPU execution timing jitter";
-    homepage = https://github.com/smuellerDD/jitterentropy-library;
+    homepage = "https://github.com/smuellerDD/jitterentropy-library";
     license = with stdenv.lib.licenses; [ gpl2 bsd3 ];
     platforms = stdenv.lib.platforms.linux;
     maintainers = with stdenv.lib.maintainers; [ johnazoidberg ];
diff --git a/pkgs/development/libraries/json-c/default.nix b/pkgs/development/libraries/json-c/default.nix
index 27d1b701f05..81ebc7baeb0 100644
--- a/pkgs/development/libraries/json-c/default.nix
+++ b/pkgs/development/libraries/json-c/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A JSON implementation in C";
-    homepage    = https://github.com/json-c/json-c/wiki;
+    homepage    = "https://github.com/json-c/json-c/wiki";
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.unix;
 
diff --git a/pkgs/development/libraries/json-glib/default.nix b/pkgs/development/libraries/json-glib/default.nix
index f811c0b09f8..4ae4a71091e 100644
--- a/pkgs/development/libraries/json-glib/default.nix
+++ b/pkgs/development/libraries/json-glib/default.nix
@@ -29,7 +29,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library providing (de)serialization support for the JavaScript Object Notation (JSON) format";
-    homepage = https://wiki.gnome.org/Projects/JsonGlib;
+    homepage = "https://wiki.gnome.org/Projects/JsonGlib";
     license = licenses.lgpl2;
     maintainers = with maintainers; [ lethalman ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/jsoncpp/default.nix b/pkgs/development/libraries/jsoncpp/default.nix
index 7b06cc8ad4e..aa72aeb0d36 100644
--- a/pkgs/development/libraries/jsoncpp/default.nix
+++ b/pkgs/development/libraries/jsoncpp/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     inherit version;
-    homepage = https://github.com/open-source-parsers/jsoncpp;
+    homepage = "https://github.com/open-source-parsers/jsoncpp";
     description = "A C++ library for interacting with JSON.";
     maintainers = with maintainers; [ ttuegel cpages nand0p ];
     license = licenses.mit;
diff --git a/pkgs/development/libraries/jsonrpc-glib/default.nix b/pkgs/development/libraries/jsonrpc-glib/default.nix
index b1249546721..71bf2d92f8d 100644
--- a/pkgs/development/libraries/jsonrpc-glib/default.nix
+++ b/pkgs/development/libraries/jsonrpc-glib/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to communicate using the JSON-RPC 2.0 specification";
-    homepage = https://gitlab.gnome.org/GNOME/jsonrpc-glib;
+    homepage = "https://gitlab.gnome.org/GNOME/jsonrpc-glib";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/judy/default.nix b/pkgs/development/libraries/judy/default.nix
index 01ba605b506..ad422db3d48 100644
--- a/pkgs/development/libraries/judy/default.nix
+++ b/pkgs/development/libraries/judy/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "judy-1.0.5";
 
   src = fetchurl {
-    url = mirror://sourceforge/judy/Judy-1.0.5.tar.gz;
+    url = "mirror://sourceforge/judy/Judy-1.0.5.tar.gz";
     sha256 = "1sv3990vsx8hrza1mvq3bhvv9m6ff08y4yz7swn6znszz24l0w6j";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://judy.sourceforge.net/;
+    homepage = "http://judy.sourceforge.net/";
     license = stdenv.lib.licenses.lgpl21Plus;
     description = "State-of-the-art C library that implements a sparse dynamic array";
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/jxrlib/default.nix b/pkgs/development/libraries/jxrlib/default.nix
index bc5be3172ec..e119c75ff8d 100644
--- a/pkgs/development/libraries/jxrlib/default.nix
+++ b/pkgs/development/libraries/jxrlib/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Implementation of the JPEG XR image codec standard";
-    homepage = https://jxrlib.codeplex.com;
+    homepage = "https://jxrlib.codeplex.com";
     license = licenses.bsd2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ romildo ];
diff --git a/pkgs/development/libraries/kde-frameworks/default.nix b/pkgs/development/libraries/kde-frameworks/default.nix
index 7ce3954e286..3d618f09e38 100644
--- a/pkgs/development/libraries/kde-frameworks/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/default.nix
@@ -73,7 +73,7 @@ let
             setupHook = args.setupHook or defaultSetupHook;
 
             meta = {
-              homepage = http://www.kde.org;
+              homepage = "http://www.kde.org";
               license = with lib.licenses; [
                 lgpl21Plus lgpl3Plus bsd2 mit gpl2Plus gpl3Plus fdl12
               ];
diff --git a/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix b/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix
index 654eb94b51a..3a3f066ad33 100644
--- a/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/extra-cmake-modules/default.nix
@@ -13,7 +13,7 @@ mkDerivation {
 
   meta = with lib; {
     platforms = platforms.linux ++ platforms.darwin;
-    homepage = http://www.kde.org;
+    homepage = "http://www.kde.org";
     license = licenses.bsd2;
     maintainers = [ maintainers.ttuegel ];
   };
diff --git a/pkgs/development/libraries/kerberos/krb5.nix b/pkgs/development/libraries/kerberos/krb5.nix
index 5ff3f313dcf..e5a593a7ff4 100644
--- a/pkgs/development/libraries/kerberos/krb5.nix
+++ b/pkgs/development/libraries/kerberos/krb5.nix
@@ -83,7 +83,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "MIT Kerberos 5";
-    homepage = http://web.mit.edu/kerberos/;
+    homepage = "http://web.mit.edu/kerberos/";
     license = licenses.mit;
     platforms = platforms.unix ++ platforms.windows;
   };
diff --git a/pkgs/development/libraries/keybinder/default.nix b/pkgs/development/libraries/keybinder/default.nix
index 0a130c017c0..e3084b9733e 100644
--- a/pkgs/development/libraries/keybinder/default.nix
+++ b/pkgs/development/libraries/keybinder/default.nix
@@ -38,7 +38,7 @@ in stdenv.mkDerivation rec {
       * Python bindings, ``python-keybinder``
       * An ``examples`` directory with programs in C, Lua, Python and Vala.
     '';
-    homepage = https://github.com/engla/keybinder/;
+    homepage = "https://github.com/engla/keybinder/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/keybinder3/default.nix b/pkgs/development/libraries/keybinder3/default.nix
index ed2dd341f45..1c8dbfdcd81 100644
--- a/pkgs/development/libraries/keybinder3/default.nix
+++ b/pkgs/development/libraries/keybinder3/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for registering global key bindings";
-    homepage = https://github.com/kupferlauncher/keybinder/;
+    homepage = "https://github.com/kupferlauncher/keybinder/";
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = [ maintainers.cstrahan ];
diff --git a/pkgs/development/libraries/kinetic-cpp-client/default.nix b/pkgs/development/libraries/kinetic-cpp-client/default.nix
index 21e3c4d3424..e2b81d77640 100644
--- a/pkgs/development/libraries/kinetic-cpp-client/default.nix
+++ b/pkgs/development/libraries/kinetic-cpp-client/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/Seagate/kinetic-cpp-client;
+    homepage = "https://github.com/Seagate/kinetic-cpp-client";
     description = "Code for producing C and C++ kinetic clients";
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/kmsxx/default.nix b/pkgs/development/libraries/kmsxx/default.nix
index ac998f30517..740248a7ae8 100644
--- a/pkgs/development/libraries/kmsxx/default.nix
+++ b/pkgs/development/libraries/kmsxx/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C++11 library, utilities and python bindings for Linux kernel mode setting";
-    homepage = https://github.com/tomba/kmsxx;
+    homepage = "https://github.com/tomba/kmsxx";
     license = licenses.mpl20;
     maintainers = with maintainers; [ gnidorah ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/kyotocabinet/default.nix b/pkgs/development/libraries/kyotocabinet/default.nix
index 897f33953af..9c360ce0531 100644
--- a/pkgs/development/libraries/kyotocabinet/default.nix
+++ b/pkgs/development/libraries/kyotocabinet/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ zlib ];
 
   meta = with stdenv.lib; {
-    homepage = http://fallabs.com/kyotocabinet;
+    homepage = "http://fallabs.com/kyotocabinet";
     description = "A library of routines for managing a database";
     license = licenses.gpl3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/l-smash/default.nix b/pkgs/development/libraries/l-smash/default.nix
index 374d9c398ef..34dab6bb3ff 100644
--- a/pkgs/development/libraries/l-smash/default.nix
+++ b/pkgs/development/libraries/l-smash/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ which ];
 
   meta = with stdenv.lib; {
-    homepage = http://l-smash.github.io/l-smash/;
+    homepage = "http://l-smash.github.io/l-smash/";
     description = "MP4 container utilities";
     license = licenses.isc;
     maintainers = with maintainers; [ tadeokondrak ];
diff --git a/pkgs/development/libraries/lame/default.nix b/pkgs/development/libraries/lame/default.nix
index 933d51b9575..da3784100ab 100644
--- a/pkgs/development/libraries/lame/default.nix
+++ b/pkgs/development/libraries/lame/default.nix
@@ -63,7 +63,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A high quality MPEG Audio Layer III (MP3) encoder";
-    homepage    = http://lame.sourceforge.net;
+    homepage    = "http://lame.sourceforge.net";
     license     = licenses.lgpl2;
     maintainers = with maintainers; [ codyopel fpletz ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/languagemachines/frog.nix b/pkgs/development/libraries/languagemachines/frog.nix
index dcff8c2757e..4829d67de45 100644
--- a/pkgs/development/libraries/languagemachines/frog.nix
+++ b/pkgs/development/libraries/languagemachines/frog.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A Tagger-Lemmatizer-Morphological-Analyzer-Dependency-Parser for Dutch";
-    homepage    = https://languagemachines.github.io/frog;
+    homepage    = "https://languagemachines.github.io/frog";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/frogdata.nix b/pkgs/development/libraries/languagemachines/frogdata.nix
index 2c418c1bc5f..196a697d8f6 100644
--- a/pkgs/development/libraries/languagemachines/frogdata.nix
+++ b/pkgs/development/libraries/languagemachines/frogdata.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Data for Frog, a Tagger-Lemmatizer-Morphological-Analyzer-Dependency-Parser for Dutch";
-    homepage    = https://languagemachines.github.io/frog;
+    homepage    = "https://languagemachines.github.io/frog";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/libfolia.nix b/pkgs/development/libraries/languagemachines/libfolia.nix
index a00c3be4193..852615cbf3b 100644
--- a/pkgs/development/libraries/languagemachines/libfolia.nix
+++ b/pkgs/development/libraries/languagemachines/libfolia.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A C++ API for FoLiA documents; an XML-based linguistic annotation format.";
-    homepage    = https://proycon.github.io/folia/;
+    homepage    = "https://proycon.github.io/folia/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/mbt.nix b/pkgs/development/libraries/languagemachines/mbt.nix
index b99cb4f595a..9477abeef3f 100644
--- a/pkgs/development/libraries/languagemachines/mbt.nix
+++ b/pkgs/development/libraries/languagemachines/mbt.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Memory Based Tagger";
-    homepage    = https://languagemachines.github.io/mbt/;
+    homepage    = "https://languagemachines.github.io/mbt/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/ticcutils.nix b/pkgs/development/libraries/languagemachines/ticcutils.nix
index 779ec664996..8676e08e417 100644
--- a/pkgs/development/libraries/languagemachines/ticcutils.nix
+++ b/pkgs/development/libraries/languagemachines/ticcutils.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "This module contains useful functions for general use in the TiCC software stack and beyond.";
-    homepage    = https://github.com/LanguageMachines/ticcutils;
+    homepage    = "https://github.com/LanguageMachines/ticcutils";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/timbl.nix b/pkgs/development/libraries/languagemachines/timbl.nix
index c6c216f5abf..b912ed97bd5 100644
--- a/pkgs/development/libraries/languagemachines/timbl.nix
+++ b/pkgs/development/libraries/languagemachines/timbl.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "TiMBL implements several memory-based learning algorithms";
-    homepage    = https://github.com/LanguageMachines/timbl/;
+    homepage    = "https://github.com/LanguageMachines/timbl/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/timblserver.nix b/pkgs/development/libraries/languagemachines/timblserver.nix
index aeadb075953..e0634103a7e 100644
--- a/pkgs/development/libraries/languagemachines/timblserver.nix
+++ b/pkgs/development/libraries/languagemachines/timblserver.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "This server for TiMBL implements several memory-based learning algorithms";
-    homepage    = https://github.com/LanguageMachines/timblserver/;
+    homepage    = "https://github.com/LanguageMachines/timblserver/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/ucto.nix b/pkgs/development/libraries/languagemachines/ucto.nix
index ab047d0516e..d60ff5fa246 100644
--- a/pkgs/development/libraries/languagemachines/ucto.nix
+++ b/pkgs/development/libraries/languagemachines/ucto.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A rule-based tokenizer for natural language";
-    homepage    = https://languagemachines.github.io/ucto/;
+    homepage    = "https://languagemachines.github.io/ucto/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/languagemachines/uctodata.nix b/pkgs/development/libraries/languagemachines/uctodata.nix
index 01a78b5b4be..29eaf78b75a 100644
--- a/pkgs/development/libraries/languagemachines/uctodata.nix
+++ b/pkgs/development/libraries/languagemachines/uctodata.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A rule-based tokenizer for natural language";
-    homepage    = https://languagemachines.github.io/ucto/;
+    homepage    = "https://languagemachines.github.io/ucto/";
     license     = licenses.gpl3;
     platforms   = platforms.all;
     maintainers = with maintainers; [ roberth ];
diff --git a/pkgs/development/libraries/lasem/default.nix b/pkgs/development/libraries/lasem/default.nix
index 5e00ce1037f..b3742514ced 100644
--- a/pkgs/development/libraries/lasem/default.nix
+++ b/pkgs/development/libraries/lasem/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "SVG and MathML rendering library";
 
-    homepage = https://wiki.gnome.org/Projects/Lasem;
+    homepage = "https://wiki.gnome.org/Projects/Lasem";
     license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/lasso/default.nix b/pkgs/development/libraries/lasso/default.nix
index f401f231de2..eb9dded94b2 100644
--- a/pkgs/development/libraries/lasso/default.nix
+++ b/pkgs/development/libraries/lasso/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://lasso.entrouvert.org/;
+    homepage = "https://lasso.entrouvert.org/";
     description = "Liberty Alliance Single Sign-On library";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/lcms/default.nix b/pkgs/development/libraries/lcms/default.nix
index 63c81822ddf..01ec659a95b 100644
--- a/pkgs/development/libraries/lcms/default.nix
+++ b/pkgs/development/libraries/lcms/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "lcms-1.19";
 
   src = fetchurl {
-    url = http://www.littlecms.com/lcms-1.19.tar.gz;
+    url = "http://www.littlecms.com/lcms-1.19.tar.gz";
     sha256 = "1abkf8iphwyfs3z305z3qczm3z1i9idc1lz4gvfg92jnkz5k5bl0";
   };
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Color management engine";
-    homepage = http://www.littlecms.com/;
+    homepage = "http://www.littlecms.com/";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/lcms2/default.nix b/pkgs/development/libraries/lcms2/default.nix
index 5d307dcfa7a..2de11a3bd40 100644
--- a/pkgs/development/libraries/lcms2/default.nix
+++ b/pkgs/development/libraries/lcms2/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Color management engine";
-    homepage = http://www.littlecms.com/;
+    homepage = "http://www.littlecms.com/";
     license = licenses.mit;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/ldacbt/default.nix b/pkgs/development/libraries/ldacbt/default.nix
index ae8fc1e22db..36a0c8e1316 100644
--- a/pkgs/development/libraries/ldacbt/default.nix
+++ b/pkgs/development/libraries/ldacbt/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "AOSP libldac dispatcher";
-    homepage    = https://github.com/EHfive/ldacBT;
+    homepage    = "https://github.com/EHfive/ldacBT";
     license     = licenses.asl20;
     platforms   = platforms.all;
     maintainers = with maintainers; [ adisbladis ];
diff --git a/pkgs/development/libraries/ldns/default.nix b/pkgs/development/libraries/ldns/default.nix
index 74ac59fef28..f64d263901b 100644
--- a/pkgs/development/libraries/ldns/default.nix
+++ b/pkgs/development/libraries/ldns/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Library with the aim of simplifying DNS programming in C";
     license = licenses.bsd3;
-    homepage = http://www.nlnetlabs.nl/projects/ldns/;
+    homepage = "http://www.nlnetlabs.nl/projects/ldns/";
     platforms = platforms.unix;
     maintainers = with maintainers; [ dtzWill ];
   };
diff --git a/pkgs/development/libraries/lensfun/default.nix b/pkgs/development/libraries/lensfun/default.nix
index 6137638222e..830facc5672 100644
--- a/pkgs/development/libraries/lensfun/default.nix
+++ b/pkgs/development/libraries/lensfun/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     maintainers = with maintainers; [ enzime ];
     license = stdenv.lib.licenses.lgpl3;
     description = "An opensource database of photographic lenses and their characteristics";
-    homepage = http://lensfun.sourceforge.net/;
+    homepage = "http://lensfun.sourceforge.net/";
   };
 }
diff --git a/pkgs/development/libraries/leptonica/default.nix b/pkgs/development/libraries/leptonica/default.nix
index 6d73b00a6d1..456a14f72b1 100644
--- a/pkgs/development/libraries/leptonica/default.nix
+++ b/pkgs/development/libraries/leptonica/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Image processing and analysis library";
-    homepage = http://www.leptonica.org/;
+    homepage = "http://www.leptonica.org/";
     license = stdenv.lib.licenses.bsd2; # http://www.leptonica.org/about-the-license.html
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/lesstif/default.nix b/pkgs/development/libraries/lesstif/default.nix
index b678a089386..6e68a9128d0 100644
--- a/pkgs/development/libraries/lesstif/default.nix
+++ b/pkgs/development/libraries/lesstif/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open source clone of the Motif widget set";
-    homepage = http://lesstif.sourceforge.net;
+    homepage = "http://lesstif.sourceforge.net";
     platforms = platforms.unix;
     license = with licenses; [ gpl2 lgpl2 ];
   };
diff --git a/pkgs/development/libraries/leveldb/default.nix b/pkgs/development/libraries/leveldb/default.nix
index 62abc1bd68c..b64b426a640 100644
--- a/pkgs/development/libraries/leveldb/default.nix
+++ b/pkgs/development/libraries/leveldb/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   ";
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/google/leveldb;
+    homepage = "https://github.com/google/leveldb";
     description = "Fast and lightweight key/value database library by Google";
     license = licenses.bsd3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/levmar/default.nix b/pkgs/development/libraries/levmar/default.nix
index 9a933b176d3..e8ef17081c9 100644
--- a/pkgs/development/libraries/levmar/default.nix
+++ b/pkgs/development/libraries/levmar/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = { 
     description = "ANSI C implementations of Levenberg-Marquardt, usable also from C++";
-    homepage = https://www.ics.forth.gr/~lourakis/levmar/;
+    homepage = "https://www.ics.forth.gr/~lourakis/levmar/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/lib3ds/default.nix b/pkgs/development/libraries/lib3ds/default.nix
index 32fecd3d99c..406b61e4393 100644
--- a/pkgs/development/libraries/lib3ds/default.nix
+++ b/pkgs/development/libraries/lib3ds/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = { 
     description = "Library for managing 3D-Studio Release 3 and 4 \".3DS\" files";
-    homepage = http://lib3ds.sourceforge.net/;
+    homepage = "http://lib3ds.sourceforge.net/";
     license = "LGPL";
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libHX/default.nix b/pkgs/development/libraries/libHX/default.nix
index 39f493d821c..59afede9cae 100644
--- a/pkgs/development/libraries/libHX/default.nix
+++ b/pkgs/development/libraries/libHX/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     '';
 
   meta = with stdenv.lib; {
-    homepage = http://libhx.sourceforge.net/;
+    homepage = "http://libhx.sourceforge.net/";
     longDescription = ''
       libHX is a C library (with some C++ bindings available) that provides data structures
       and functions commonly needed, such as maps, deques, linked lists, string formatting
diff --git a/pkgs/development/libraries/libLAS/default.nix b/pkgs/development/libraries/libLAS/default.nix
index 15ef9ee890a..818e2ad85b0 100644
--- a/pkgs/development/libraries/libLAS/default.nix
+++ b/pkgs/development/libraries/libLAS/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "LAS 1.0/1.1/1.2 ASPRS LiDAR data translation toolset";
-    homepage = https://liblas.org;
+    homepage = "https://liblas.org";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.michelk ];
diff --git a/pkgs/development/libraries/libaal/default.nix b/pkgs/development/libraries/libaal/default.nix
index 87eeac4b4f5..fdfd855470d 100644
--- a/pkgs/development/libraries/libaal/default.nix
+++ b/pkgs/development/libraries/libaal/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = http://www.namesys.com/;
+    homepage = "http://www.namesys.com/";
     description = "Support library for Reiser4";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/libabw/default.nix b/pkgs/development/libraries/libabw/default.nix
index a37d4756cbd..91107ad4cb0 100644
--- a/pkgs/development/libraries/libabw/default.nix
+++ b/pkgs/development/libraries/libabw/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost doxygen gperf librevenge libxml2 perl ];
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.documentfoundation.org/DLP/Libraries/libabw;
+    homepage = "https://wiki.documentfoundation.org/DLP/Libraries/libabw";
     description = "Library parsing abiword documents";
     platforms = platforms.unix;
     license = licenses.mpl20;
diff --git a/pkgs/development/libraries/libagar/default.nix b/pkgs/development/libraries/libagar/default.nix
index c0a43efc27e..616879a979c 100644
--- a/pkgs/development/libraries/libagar/default.nix
+++ b/pkgs/development/libraries/libagar/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Cross-platform GUI toolkit";
-    homepage = http://libagar.org/index.html;
+    homepage = "http://libagar.org/index.html";
     license = with licenses; bsd3;
     maintainers = with maintainers; [ ramkromberg ];
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/libagar/libagar_test.nix b/pkgs/development/libraries/libagar/libagar_test.nix
index 4295971d5a0..4de113718d4 100644
--- a/pkgs/development/libraries/libagar/libagar_test.nix
+++ b/pkgs/development/libraries/libagar/libagar_test.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Tests for libagar";
-    homepage = http://libagar.org/index.html;
+    homepage = "http://libagar.org/index.html";
     license = with licenses; bsd3;
     maintainers = with maintainers; [ ramkromberg ];
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/libantlr3c/default.nix b/pkgs/development/libraries/libantlr3c/default.nix
index 28f0ca2905c..4c3d1d2a213 100644
--- a/pkgs/development/libraries/libantlr3c/default.nix
+++ b/pkgs/development/libraries/libantlr3c/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libantlr3c-3.4";
   src = fetchurl {
-    url = https://www.antlr3.org/download/C/libantlr3c-3.4.tar.gz;
+    url = "https://www.antlr3.org/download/C/libantlr3c-3.4.tar.gz";
     sha256 ="0lpbnb4dq4azmsvlhp6khq1gy42kyqyjv8gww74g5lm2y6blm4fa";
   };
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C runtime libraries of ANTLR v3";
-    homepage = https://www.antlr3.org/;
+    homepage = "https://www.antlr3.org/";
     license = licenses.bsd3;
     platforms = platforms.unix;
     maintainers = with maintainers; [ vbgl ];
diff --git a/pkgs/development/libraries/libao/default.nix b/pkgs/development/libraries/libao/default.nix
index 2d7edee4041..3ecee2599f6 100644
--- a/pkgs/development/libraries/libao/default.nix
+++ b/pkgs/development/libraries/libao/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
       programs to output audio using a simple API on a wide variety of
       platforms.
     '';
-    homepage = https://xiph.org/ao/;
+    homepage = "https://xiph.org/ao/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libaom/default.nix b/pkgs/development/libraries/libaom/default.nix
index 2d9a9f18fa2..04b1c810c08 100644
--- a/pkgs/development/libraries/libaom/default.nix
+++ b/pkgs/development/libraries/libaom/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "AV1 Bitstream and Decoding Library";
-    homepage    = https://aomedia.org/av1-features/get-started/;
+    homepage    = "https://aomedia.org/av1-features/get-started/";
     maintainers = with maintainers; [ kiloreux ];
     platforms   = platforms.all;
     license = licenses.bsd2;
diff --git a/pkgs/development/libraries/libaosd/default.nix b/pkgs/development/libraries/libaosd/default.nix
index 6cf395d7e74..c33f3a873a6 100644
--- a/pkgs/development/libraries/libaosd/default.nix
+++ b/pkgs/development/libraries/libaosd/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
       composited rendering via XComposite, as well as support for
       rendering Cairo and Pango layouts.
     '';
-    homepage = https://github.com/atheme-legacy/libaosd;
+    homepage = "https://github.com/atheme-legacy/libaosd";
     license = licenses.mit;
     maintainers = with maintainers; [ unode ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libappindicator/default.nix b/pkgs/development/libraries/libappindicator/default.nix
index d09684a0443..dc0542c2126 100644
--- a/pkgs/development/libraries/libappindicator/default.nix
+++ b/pkgs/development/libraries/libappindicator/default.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library to allow applications to export a menu into the Unity Menu bar";
-    homepage = https://launchpad.net/libappindicator;
+    homepage = "https://launchpad.net/libappindicator";
     license = with licenses; [ lgpl21 lgpl3 ];
     platforms = platforms.linux;
     maintainers = [ maintainers.msteen ];
diff --git a/pkgs/development/libraries/libarchive/default.nix b/pkgs/development/libraries/libarchive/default.nix
index 779ddfeb589..0f6b196d150 100644
--- a/pkgs/development/libraries/libarchive/default.nix
+++ b/pkgs/development/libraries/libarchive/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
       compressions formats including (but not limited to) tar, shar, cpio, zip, and
       compressed with gzip, bzip2, lzma, xz, ...
     '';
-    homepage = http://libarchive.org;
+    homepage = "http://libarchive.org";
     license = stdenv.lib.licenses.bsd3;
     platforms = with stdenv.lib.platforms; all;
     maintainers = with stdenv.lib.maintainers; [ jcumming ];
diff --git a/pkgs/development/libraries/libasr/default.nix b/pkgs/development/libraries/libasr/default.nix
index 40158898f3d..561e7e1017d 100644
--- a/pkgs/development/libraries/libasr/default.nix
+++ b/pkgs/development/libraries/libasr/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libevent openssl ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/OpenSMTPD/libasr;
+    homepage = "https://github.com/OpenSMTPD/libasr";
     description = "Free, simple and portable asynchronous resolver library";
     license = licenses.isc;
     maintainers = [ maintainers.koral ];
diff --git a/pkgs/development/libraries/libass/default.nix b/pkgs/development/libraries/libass/default.nix
index 41406ce18ea..508a57b203d 100644
--- a/pkgs/development/libraries/libass/default.nix
+++ b/pkgs/development/libraries/libass/default.nix
@@ -44,10 +44,10 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Portable ASS/SSA subtitle renderer";
-    homepage    = https://github.com/libass/libass;
+    homepage    = "https://github.com/libass/libass";
     license     = licenses.isc;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ codyopel ];
-    repositories.git = git://github.com/libass/libass.git;
+    repositories.git = "git://github.com/libass/libass.git";
   };
 }
diff --git a/pkgs/development/libraries/libassuan/default.nix b/pkgs/development/libraries/libassuan/default.nix
index d55c3816868..e92db2ab87e 100644
--- a/pkgs/development/libraries/libassuan/default.nix
+++ b/pkgs/development/libraries/libassuan/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
       GnuPG components.  Both, server and client side functions are
       provided.
     '';
-    homepage = http://gnupg.org;
+    homepage = "http://gnupg.org";
     license = licenses.lgpl2Plus;
     platforms = platforms.all;
     maintainers = [ maintainers.erictapen ];
diff --git a/pkgs/development/libraries/libast/default.nix b/pkgs/development/libraries/libast/default.nix
index 348cfa9ed5b..dfe2dd76ef7 100644
--- a/pkgs/development/libraries/libast/default.nix
+++ b/pkgs/development/libraries/libast/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library of Assorted Spiffy Things";
-    homepage = https://www.eterm.org;
+    homepage = "https://www.eterm.org";
     license = licenses.bsd2;
     maintainers = [ maintainers.AndersonTorres ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libasyncns/default.nix b/pkgs/development/libraries/libasyncns/default.nix
index f7805c9f375..d8b4f1d7df2 100644
--- a/pkgs/development/libraries/libasyncns/default.nix
+++ b/pkgs/development/libraries/libasyncns/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://0pointer.de/lennart/projects/libasyncns/;
+    homepage = "http://0pointer.de/lennart/projects/libasyncns/";
     description = "A C library for Linux/Unix for executing name service queries asynchronously";
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libaudclient/default.nix b/pkgs/development/libraries/libaudclient/default.nix
index eebe667badb..ad33c624b14 100644
--- a/pkgs/development/libraries/libaudclient/default.nix
+++ b/pkgs/development/libraries/libaudclient/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Legacy D-Bus client library for Audacious";
-    homepage = https://audacious-media-player.org/;
+    homepage = "https://audacious-media-player.org/";
     license = licenses.bsd2;
     maintainers = with maintainers; [ pSub ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libav/default.nix b/pkgs/development/libraries/libav/default.nix
index 43cfe2ef251..15b6a275214 100644
--- a/pkgs/development/libraries/libav/default.nix
+++ b/pkgs/development/libraries/libav/default.nix
@@ -121,7 +121,7 @@ let
     passthru = { inherit vdpauSupport; };
 
     meta = with stdenv.lib; {
-      homepage = https://libav.org/;
+      homepage = "https://libav.org/";
       description = "A complete, cross-platform solution to record, convert and stream audio and video (fork of ffmpeg)";
       license = with licenses; if enableUnfree then unfree #ToDo: redistributable or not?
         else if enableGPL then gpl2Plus else lgpl21Plus;
diff --git a/pkgs/development/libraries/libavc1394/default.nix b/pkgs/development/libraries/libavc1394/default.nix
index 726e9573d37..01f39052e93 100644
--- a/pkgs/development/libraries/libavc1394/default.nix
+++ b/pkgs/development/libraries/libavc1394/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = { 
     description = "Programming interface for the 1394 Trade Association AV/C (Audio/Video Control) Digital Interface Command Set";
-    homepage = https://sourceforge.net/projects/libavc1394/;
+    homepage = "https://sourceforge.net/projects/libavc1394/";
     license = stdenv.lib.licenses.lgpl21Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libb2/default.nix b/pkgs/development/libraries/libb2/default.nix
index d39c12d58d5..dad5d40ea53 100644
--- a/pkgs/development/libraries/libb2/default.nix
+++ b/pkgs/development/libraries/libb2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The BLAKE2 family of cryptographic hash functions";
-    homepage = https://blake2.net/;
+    homepage = "https://blake2.net/";
     platforms = platforms.all;
     maintainers = with maintainers; [ dfoxfranke dotlambda ];
     license = licenses.cc0;
diff --git a/pkgs/development/libraries/libbap/default.nix b/pkgs/development/libraries/libbap/default.nix
index 9aedde923f0..09cbafa17bf 100644
--- a/pkgs/development/libraries/libbap/default.nix
+++ b/pkgs/development/libraries/libbap/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/binaryanalysisplatform/bap-bindings;
+    homepage = "https://github.com/binaryanalysisplatform/bap-bindings";
     description = "A C library for interacting with BAP";
     maintainers = [ maintainers.maurer ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libbdplus/default.nix b/pkgs/development/libraries/libbdplus/default.nix
index 3af98a578f2..c9b7bfa3c0e 100644
--- a/pkgs/development/libraries/libbdplus/default.nix
+++ b/pkgs/development/libraries/libbdplus/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.videolan.org/developers/libbdplus.html;
+    homepage = "http://www.videolan.org/developers/libbdplus.html";
     description = "Library to access BD+ protected Blu-Ray disks";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/libbfd/default.nix b/pkgs/development/libraries/libbfd/default.nix
index 15561677ad5..75db780b7bb 100644
--- a/pkgs/development/libraries/libbfd/default.nix
+++ b/pkgs/development/libraries/libbfd/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation {
       It is associated with GNU Binutils, and elsewhere often distributed with
       it.
     '';
-    homepage = https://www.gnu.org/software/binutils/;
+    homepage = "https://www.gnu.org/software/binutils/";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ ericson2314 ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libbladeRF/default.nix b/pkgs/development/libraries/libbladeRF/default.nix
index 043f3500b0c..b2853011b14 100644
--- a/pkgs/development/libraries/libbladeRF/default.nix
+++ b/pkgs/development/libraries/libbladeRF/default.nix
@@ -53,7 +53,7 @@ in stdenv.mkDerivation {
   hardeningDisable = [ "fortify" ];
 
   meta = with lib; {
-    homepage = https://nuand.com/libbladeRF-doc;
+    homepage = "https://nuand.com/libbladeRF-doc";
     description = "Supporting library of the BladeRF SDR opensource hardware";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ funfunctor ];
diff --git a/pkgs/development/libraries/libbsd/default.nix b/pkgs/development/libraries/libbsd/default.nix
index e251295a4c7..7aea38bdb58 100644
--- a/pkgs/development/libraries/libbsd/default.nix
+++ b/pkgs/development/libraries/libbsd/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Common functions found on BSD systems";
-    homepage = https://libbsd.freedesktop.org/;
+    homepage = "https://libbsd.freedesktop.org/";
     license = licenses.bsd3;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ matthewbauer ];
diff --git a/pkgs/development/libraries/libbson/default.nix b/pkgs/development/libraries/libbson/default.nix
index 5bd6b11ac7a..1d2043b20cd 100644
--- a/pkgs/development/libraries/libbson/default.nix
+++ b/pkgs/development/libraries/libbson/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C Library for parsing, editing, and creating BSON documents";
-    homepage = https://github.com/mongodb/libbson;
+    homepage = "https://github.com/mongodb/libbson";
     license = licenses.asl20;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/libburn/default.nix b/pkgs/development/libraries/libburn/default.nix
index b6cadf9df18..f436f947d0a 100644
--- a/pkgs/development/libraries/libburn/default.nix
+++ b/pkgs/development/libraries/libburn/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://libburnia-project.org/;
+    homepage = "http://libburnia-project.org/";
     description = "A library by which preformatted data get onto optical media: CD, DVD, BD (Blu-Ray)";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ abbradar vrthra ];
diff --git a/pkgs/development/libraries/libcaca/default.nix b/pkgs/development/libraries/libcaca/default.nix
index 7773fe46c0c..84df50e117a 100644
--- a/pkgs/development/libraries/libcaca/default.nix
+++ b/pkgs/development/libraries/libcaca/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://libcaca.zoy.org/;
+    homepage = "http://libcaca.zoy.org/";
     description = "A graphics library that outputs text instead of pixels";
     license = stdenv.lib.licenses.wtfpl;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libcacard/default.nix b/pkgs/development/libraries/libcacard/default.nix
index 2e134c5bb63..474e51e8c46 100644
--- a/pkgs/development/libraries/libcacard/default.nix
+++ b/pkgs/development/libraries/libcacard/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Smart card emulation library";
-    homepage = https://gitlab.freedesktop.org/spice/libcacard;
+    homepage = "https://gitlab.freedesktop.org/spice/libcacard";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ yegortimoshenko ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libcanberra/default.nix b/pkgs/development/libraries/libcanberra/default.nix
index 6d76c941114..9dea5956d65 100644
--- a/pkgs/development/libraries/libcanberra/default.nix
+++ b/pkgs/development/libraries/libcanberra/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   patches = [
     (fetchpatch {
       name = "0001-gtk-Don-t-assume-all-GdkDisplays-are-GdkX11Displays-.patch";
-      url = http://git.0pointer.net/libcanberra.git/patch/?id=c0620e432650e81062c1967cc669829dbd29b310;
+      url = "http://git.0pointer.net/libcanberra.git/patch/?id=c0620e432650e81062c1967cc669829dbd29b310";
       sha256 = "0rc7zwn39yxzxp37qh329g7375r5ywcqcaak8ryd0dgvg8m5hcx9";
     })
   ];
@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
       portable.
     '';
 
-    homepage = http://0pointer.de/lennart/projects/libcanberra/;
+    homepage = "http://0pointer.de/lennart/projects/libcanberra/";
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/libcangjie/default.nix b/pkgs/development/libraries/libcangjie/default.nix
index 42a49713a0b..b71b630675d 100644
--- a/pkgs/development/libraries/libcangjie/default.nix
+++ b/pkgs/development/libraries/libcangjie/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     longDescription = ''
       libcangjie is a library implementing the Cangjie input method.
     '';
-    homepage = http://cangjians.github.io/projects/libcangjie/;
+    homepage = "http://cangjians.github.io/projects/libcangjie/";
     license = stdenv.lib.licenses.lgpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.linquize ];
diff --git a/pkgs/development/libraries/libcbor/default.nix b/pkgs/development/libraries/libcbor/default.nix
index 4949d657669..7067caa42c0 100644
--- a/pkgs/development/libraries/libcbor/default.nix
+++ b/pkgs/development/libraries/libcbor/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "CBOR protocol implementation for C and others";
-    homepage = https://github.com/PJK/libcbor;
+    homepage = "https://github.com/PJK/libcbor";
     license = licenses.mit;
     maintainers = with maintainers; [ dtzWill ];
   };
diff --git a/pkgs/development/libraries/libcdaudio/default.nix b/pkgs/development/libraries/libcdaudio/default.nix
index df7e93de063..abc5f84a0e3 100644
--- a/pkgs/development/libraries/libcdaudio/default.nix
+++ b/pkgs/development/libraries/libcdaudio/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "libcdaudio-0.99.12p2";
   src = fetchurl {
-    url = mirror://sourceforge/libcdaudio/libcdaudio-0.99.12p2.tar.gz ;
+    url = "mirror://sourceforge/libcdaudio/libcdaudio-0.99.12p2.tar.gz";
     sha256 = "1fsy6dlzxrx177qc877qhajm9l4g28mvh06h2l15rxy4bapzknjz" ;
   };
 
diff --git a/pkgs/development/libraries/libcddb/default.nix b/pkgs/development/libraries/libcddb/default.nix
index 591369df83f..26a69fe9fc7 100644
--- a/pkgs/development/libraries/libcddb/default.nix
+++ b/pkgs/development/libraries/libcddb/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C library to access data on a CDDB server (freedb.org)";
-    homepage = http://libcddb.sourceforge.net/;
+    homepage = "http://libcddb.sourceforge.net/";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/pkgs/development/libraries/libcdio-paranoia/default.nix b/pkgs/development/libraries/libcdio-paranoia/default.nix
index a539586f067..8ad3231dc36 100644
--- a/pkgs/development/libraries/libcdio-paranoia/default.nix
+++ b/pkgs/development/libraries/libcdio-paranoia/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
       access. By doing this, cdparanoia runs on platforms other than GNU/Linux.
     '';
     license = licenses.gpl3;
-    homepage = https://github.com/rocky/libcdio-paranoia;
+    homepage = "https://github.com/rocky/libcdio-paranoia";
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = [ ];
   };
diff --git a/pkgs/development/libraries/libcdio/default.nix b/pkgs/development/libraries/libcdio/default.nix
index 9c3132a3e63..e4522bf00be 100644
--- a/pkgs/development/libraries/libcdio/default.nix
+++ b/pkgs/development/libraries/libcdio/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
       ISO-9660 filesystems (libiso9660), as well as utility
       programs such as an audio CD player and an extractor.
     '';
-    homepage = https://www.gnu.org/software/libcdio/;
+    homepage = "https://www.gnu.org/software/libcdio/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/pkgs/development/libraries/libcdr/default.nix b/pkgs/development/libraries/libcdr/default.nix
index cfd768b5272..72996e28996 100644
--- a/pkgs/development/libraries/libcdr/default.nix
+++ b/pkgs/development/libraries/libcdr/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library providing ability to interpret and import Corel Draw drawings into various applications";
-    homepage = http://www.freedesktop.org/wiki/Software/libcdr;
+    homepage = "http://www.freedesktop.org/wiki/Software/libcdr";
     platforms = stdenv.lib.platforms.all;
     license = stdenv.lib.licenses.mpl20;
   };
diff --git a/pkgs/development/libraries/libcec/default.nix b/pkgs/development/libraries/libcec/default.nix
index 070cb58149c..2ea55db2247 100644
--- a/pkgs/development/libraries/libcec/default.nix
+++ b/pkgs/development/libraries/libcec/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Allows you (with the right hardware) to control your device with your TV remote control using existing HDMI cabling";
-    homepage = http://libcec.pulse-eight.com;
+    homepage = "http://libcec.pulse-eight.com";
     repositories.git = "https://github.com/Pulse-Eight/libcec.git";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libcec/platform.nix b/pkgs/development/libraries/libcec/platform.nix
index e43cfb10a37..2132cf7a065 100644
--- a/pkgs/development/libraries/libcec/platform.nix
+++ b/pkgs/development/libraries/libcec/platform.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Platform library for libcec and Kodi addons";
-    homepage = https://github.com/Pulse-Eight/platform;
+    homepage = "https://github.com/Pulse-Eight/platform";
     repositories.git = "https://github.com/Pulse-Eight/platform.git";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libcef/default.nix b/pkgs/development/libraries/libcef/default.nix
index 03cc3b2beb4..4d08c2ba1fb 100644
--- a/pkgs/development/libraries/libcef/default.nix
+++ b/pkgs/development/libraries/libcef/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Simple framework for embedding Chromium-based browsers in other applications";
-    homepage = http://opensource.spotify.com/cefbuilds/index.html;
+    homepage = "http://opensource.spotify.com/cefbuilds/index.html";
     maintainers = with maintainers; [ puffnfresh ];
     license = licenses.bsd3;
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/libcello/default.nix b/pkgs/development/libraries/libcello/default.nix
index 96c3db6ae43..1ef749c1740 100644
--- a/pkgs/development/libraries/libcello/default.nix
+++ b/pkgs/development/libraries/libcello/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    homepage = http://libcello.org/;
+    homepage = "http://libcello.org/";
     description = "Higher level programming in C";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libcerf/default.nix b/pkgs/development/libraries/libcerf/default.nix
index 0ffb2085967..05f9cc82c73 100644
--- a/pkgs/development/libraries/libcerf/default.nix
+++ b/pkgs/development/libraries/libcerf/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Complex error (erf), Dawson, Faddeeva, and Voigt function library";
-    homepage = https://jugit.fz-juelich.de/mlz/libcerf;
+    homepage = "https://jugit.fz-juelich.de/mlz/libcerf";
     license = licenses.mit;
     maintainers = with maintainers; [ orivej ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libchamplain/default.nix b/pkgs/development/libraries/libchamplain/default.nix
index 48446d87b8d..c24fc0eda93 100644
--- a/pkgs/development/libraries/libchamplain/default.nix
+++ b/pkgs/development/libraries/libchamplain/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/libchamplain;
+    homepage = "https://wiki.gnome.org/Projects/libchamplain";
     license = licenses.lgpl2Plus;
 
     description = "C library providing a ClutterActor to display maps";
diff --git a/pkgs/development/libraries/libchardet/default.nix b/pkgs/development/libraries/libchardet/default.nix
index 11617a0107c..168217678c0 100644
--- a/pkgs/development/libraries/libchardet/default.nix
+++ b/pkgs/development/libraries/libchardet/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Mozilla's Universal Charset Detector C/C++ API";
-    homepage = ftp://ftp.oops.org/pub/oops/libchardet/index.html;
+    homepage = "ftp://ftp.oops.org/pub/oops/libchardet/index.html";
     license = licenses.mpl11;
     maintainers = [ maintainers.abbradar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libchewing/default.nix b/pkgs/development/libraries/libchewing/default.nix
index 3c234d780ef..09d5d40f877 100644
--- a/pkgs/development/libraries/libchewing/default.nix
+++ b/pkgs/development/libraries/libchewing/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec{
 
   meta = with stdenv.lib; {
     description = "Intelligent Chinese phonetic input method";
-    homepage = http://chewing.im/;
+    homepage = "http://chewing.im/";
     license = licenses.lgpl21;
     maintainers = [ maintainers.ericsagnes ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libchop/default.nix b/pkgs/development/libraries/libchop/default.nix
index c802bd68ab0..190f122ecfa 100644
--- a/pkgs/development/libraries/libchop/default.nix
+++ b/pkgs/development/libraries/libchop/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
          line.  It is written in C and has Guile (Scheme) bindings.
       '';
 
-    homepage = https://www.nongnu.org/libchop/;
+    homepage = "https://www.nongnu.org/libchop/";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ ];
     platforms = platforms.gnu ++ platforms.linux;
diff --git a/pkgs/development/libraries/libclc/default.nix b/pkgs/development/libraries/libclc/default.nix
index 9ddf1d4f157..0672e7942cb 100644
--- a/pkgs/development/libraries/libclc/default.nix
+++ b/pkgs/development/libraries/libclc/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://libclc.llvm.org/;
+    homepage = "http://libclc.llvm.org/";
     description = "Implementation of the library requirements of the OpenCL C programming language";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libcli/default.nix b/pkgs/development/libraries/libcli/default.nix
index d896cf63733..6cabe1343c4 100644
--- a/pkgs/development/libraries/libcli/default.nix
+++ b/pkgs/development/libraries/libcli/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Emulate a Cisco-style telnet command-line interface";
-    homepage = http://sites.dparrish.com/libcli;
+    homepage = "http://sites.dparrish.com/libcli";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libcloudproviders/default.nix b/pkgs/development/libraries/libcloudproviders/default.nix
index 2814d6c5c1e..f48ee9e5df0 100644
--- a/pkgs/development/libraries/libcloudproviders/default.nix
+++ b/pkgs/development/libraries/libcloudproviders/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "DBus API that allows cloud storage sync clients to expose their services";
-    homepage = https://gitlab.gnome.org/World/libcloudproviders;
+    homepage = "https://gitlab.gnome.org/World/libcloudproviders";
     license = licenses.lgpl3Plus;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libclthreads/default.nix b/pkgs/development/libraries/libclthreads/default.nix
index 325afc56ae7..53cff9a19d3 100644
--- a/pkgs/development/libraries/libclthreads/default.nix
+++ b/pkgs/development/libraries/libclthreads/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Zita thread library";
-    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html;
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ magnetophon ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libclxclient/default.nix b/pkgs/development/libraries/libclxclient/default.nix
index d6e2ad398d7..b086dfc08f6 100644
--- a/pkgs/development/libraries/libclxclient/default.nix
+++ b/pkgs/development/libraries/libclxclient/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Zita X11 library";
-    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html;
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ magnetophon ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libcmis/default.nix b/pkgs/development/libraries/libcmis/default.nix
index 53474190ce9..8b1093ac21f 100644
--- a/pkgs/development/libraries/libcmis/default.nix
+++ b/pkgs/development/libraries/libcmis/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ client library for the CMIS interface";
-    homepage = https://sourceforge.net/projects/libcmis/;
+    homepage = "https://sourceforge.net/projects/libcmis/";
     license = licenses.gpl2;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libcollectdclient/default.nix b/pkgs/development/libraries/libcollectdclient/default.nix
index 0f1cbeb2f96..f945434842e 100644
--- a/pkgs/development/libraries/libcollectdclient/default.nix
+++ b/pkgs/development/libraries/libcollectdclient/default.nix
@@ -14,7 +14,7 @@ collectd.overrideAttrs (oldAttrs: {
 
   meta = with stdenv.lib; {
     description = "C Library for collectd, a daemon which collects system performance statistics periodically";
-    homepage = http://collectd.org;
+    homepage = "http://collectd.org";
     license = licenses.gpl2;
     platforms = platforms.linux; # TODO: collectd may be linux but the C client may be more portable?
     maintainers = [ maintainers.sheenobu maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libcommuni/default.nix b/pkgs/development/libraries/libcommuni/default.nix
index 8eb7ff303de..3f91c8e579f 100644
--- a/pkgs/development/libraries/libcommuni/default.nix
+++ b/pkgs/development/libraries/libcommuni/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A cross-platform IRC framework written with Qt";
-    homepage = https://communi.github.io;
+    homepage = "https://communi.github.io";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ hrdinka ];
diff --git a/pkgs/development/libraries/libconfig/default.nix b/pkgs/development/libraries/libconfig/default.nix
index cdc225c8bf7..7d7f95d757c 100644
--- a/pkgs/development/libraries/libconfig/default.nix
+++ b/pkgs/development/libraries/libconfig/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.hyperrealm.com/libconfig;
+    homepage = "http://www.hyperrealm.com/libconfig";
     description = "A simple library for processing structured configuration files";
     license = licenses.lgpl3;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/libcouchbase/default.nix b/pkgs/development/libraries/libcouchbase/default.nix
index 53ec231dec9..92b000bc4ef 100644
--- a/pkgs/development/libraries/libcouchbase/default.nix
+++ b/pkgs/development/libraries/libcouchbase/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C client library for Couchbase";
-    homepage = https://github.com/couchbase/libcouchbase;
+    homepage = "https://github.com/couchbase/libcouchbase";
     license = licenses.asl20;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libcrafter/default.nix b/pkgs/development/libraries/libcrafter/default.nix
index ba9a6325b07..d91032126eb 100644
--- a/pkgs/development/libraries/libcrafter/default.nix
+++ b/pkgs/development/libraries/libcrafter/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ libpcap ];
 
   meta = {
-    homepage = https://github.com/pellegre/libcrafter;
+    homepage = "https://github.com/pellegre/libcrafter";
     description = "High level C++ network packet sniffing and crafting library";
     license = stdenv.lib.licenses.bsd3;
     maintainers = [ stdenv.lib.maintainers.lethalman ];
diff --git a/pkgs/development/libraries/libcredis/default.nix b/pkgs/development/libraries/libcredis/default.nix
index bfc7fe1d949..1368cd30adb 100644
--- a/pkgs/development/libraries/libcredis/default.nix
+++ b/pkgs/development/libraries/libcredis/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C client library for Redis (key-value database)";
-    homepage = https://code.google.com/archive/p/credis/;
+    homepage = "https://code.google.com/archive/p/credis/";
     license = licenses.bsd3; # from homepage
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libcrossguid/default.nix b/pkgs/development/libraries/libcrossguid/default.nix
index e5c09675c4b..0d0f06aac37 100644
--- a/pkgs/development/libraries/libcrossguid/default.nix
+++ b/pkgs/development/libraries/libcrossguid/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     description = "Lightweight cross platform C++ GUID/UUID library";
     license = licenses.mit;
     maintainers = with maintainers; [ edwtjo ];
-    homepage = https://github.com/graeme-hill/crossguid;
+    homepage = "https://github.com/graeme-hill/crossguid";
     platforms = with platforms; linux;
   };
 
diff --git a/pkgs/development/libraries/libcryptui/default.nix b/pkgs/development/libraries/libcryptui/default.nix
index fef8e7f510d..e3db41c73e1 100644
--- a/pkgs/development/libraries/libcryptui/default.nix
+++ b/pkgs/development/libraries/libcryptui/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Interface components for OpenPGP";
-    homepage = https://gitlab.gnome.org/GNOME/libcryptui;
+    homepage = "https://gitlab.gnome.org/GNOME/libcryptui";
     license = licenses.lgpl21Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libcsptr/default.nix b/pkgs/development/libraries/libcsptr/default.nix
index 4bf26bde228..fcb5aa2bbfe 100644
--- a/pkgs/development/libraries/libcsptr/default.nix
+++ b/pkgs/development/libraries/libcsptr/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Smart pointer constructs for the (GNU) C programming language";
-    homepage = https://github.com/Snaipe/libcsptr;
+    homepage = "https://github.com/Snaipe/libcsptr";
     license = licenses.mit;
     platforms = [ "i686-linux" "x86_64-linux" ];
     maintainers = [ maintainers.fragamus ];
diff --git a/pkgs/development/libraries/libctemplate/default.nix b/pkgs/development/libraries/libctemplate/default.nix
index f4e2e621c28..35707834c08 100644
--- a/pkgs/development/libraries/libctemplate/default.nix
+++ b/pkgs/development/libraries/libctemplate/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
       emphasizes separating logic from presentation: it is impossible to
       embed application logic in this template language.
     '';
-    homepage = https://github.com/OlafvdSpek/ctemplate;
+    homepage = "https://github.com/OlafvdSpek/ctemplate";
     license = stdenv.lib.licenses.bsd3;
   };
 }
diff --git a/pkgs/development/libraries/libcue/default.nix b/pkgs/development/libraries/libcue/default.nix
index 8ebab123524..73a110c07f6 100644
--- a/pkgs/development/libraries/libcue/default.nix
+++ b/pkgs/development/libraries/libcue/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
       a file pointer. For handling of the parsed data a convenient API is
       available.
     '';
-    homepage = https://sourceforge.net/projects/libcue/;
+    homepage = "https://sourceforge.net/projects/libcue/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ astsmtl ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/libdaemon/default.nix b/pkgs/development/libraries/libdaemon/default.nix
index 5dc153dd5cc..d906e119dca 100644
--- a/pkgs/development/libraries/libdaemon/default.nix
+++ b/pkgs/development/libraries/libdaemon/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Lightweight C library that eases the writing of UNIX daemons";
-    homepage = http://0pointer.de/lennart/projects/libdaemon/;
+    homepage = "http://0pointer.de/lennart/projects/libdaemon/";
     license = stdenv.lib.licenses.lgpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libdap/default.nix b/pkgs/development/libraries/libdap/default.nix
index 4763e5983f9..27084e54a82 100644
--- a/pkgs/development/libraries/libdap/default.nix
+++ b/pkgs/development/libraries/libdap/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C++ SDK which contains an implementation of DAP";
-    homepage = https://www.opendap.org/software/libdap;
+    homepage = "https://www.opendap.org/software/libdap";
     license = licenses.lgpl2;
     maintainers = [ maintainers.bzizou ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libdazzle/default.nix b/pkgs/development/libraries/libdazzle/default.nix
index 19f9a5f889a..ebe053920ab 100644
--- a/pkgs/development/libraries/libdazzle/default.nix
+++ b/pkgs/development/libraries/libdazzle/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
       for those libraries. In other cases, our design isn't quite generic
       enough to work for everyone.
     '';
-    homepage = https://wiki.gnome.org/Apps/Builder;
+    homepage = "https://wiki.gnome.org/Apps/Builder";
     license = licenses.gpl3Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libdbi-drivers/default.nix b/pkgs/development/libraries/libdbi-drivers/default.nix
index 52b8a32fab4..d321d7d650a 100644
--- a/pkgs/development/libraries/libdbi-drivers/default.nix
+++ b/pkgs/development/libraries/libdbi-drivers/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://libdbi-drivers.sourceforge.net/;
+    homepage = "http://libdbi-drivers.sourceforge.net/";
     description = "Database drivers for libdbi";
     platforms = platforms.all;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/libdbi/default.nix b/pkgs/development/libraries/libdbi/default.nix
index b242bd8613e..64c511503d0 100644
--- a/pkgs/development/libraries/libdbi/default.nix
+++ b/pkgs/development/libraries/libdbi/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://libdbi.sourceforge.net/;
+    homepage = "http://libdbi.sourceforge.net/";
     description = "DB independent interface to DB";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libdbusmenu-qt/qt-5.5.nix b/pkgs/development/libraries/libdbusmenu-qt/qt-5.5.nix
index 279dcb6bc83..d7eab296809 100644
--- a/pkgs/development/libraries/libdbusmenu-qt/qt-5.5.nix
+++ b/pkgs/development/libraries/libdbusmenu-qt/qt-5.5.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.9.3+16";
 
   src = fetchgit {
-    url = https://git.launchpad.net/ubuntu/+source/libdbusmenu-qt;
+    url = "https://git.launchpad.net/ubuntu/+source/libdbusmenu-qt";
     rev = "import/${version}.04.20160218-1";
     sha256 = "039yvklhbmfbcynrbqq9n5ywmj8bjfslnkzcnwpzyhnxdzb6yxlx";
   };
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [ "-DWITH_DOC=OFF" ];
 
   meta = with stdenv.lib; {
-    homepage = https://launchpad.net/libdbusmenu-qt;
+    homepage = "https://launchpad.net/libdbusmenu-qt";
     description = "Provides a Qt implementation of the DBusMenu spec";
     maintainers = [ maintainers.ttuegel ];
     inherit (qtbase.meta) platforms;
diff --git a/pkgs/development/libraries/libdbusmenu/default.nix b/pkgs/development/libraries/libdbusmenu/default.nix
index 770e95472ea..5e11864b1f1 100644
--- a/pkgs/development/libraries/libdbusmenu/default.nix
+++ b/pkgs/development/libraries/libdbusmenu/default.nix
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library for passing menu structures across DBus";
-    homepage = https://launchpad.net/dbusmenu;
+    homepage = "https://launchpad.net/dbusmenu";
     license = with licenses; [ gpl3 lgpl21 lgpl3 ];
     platforms = platforms.linux;
     maintainers = [ maintainers.msteen ];
diff --git a/pkgs/development/libraries/libdc1394/default.nix b/pkgs/development/libraries/libdc1394/default.nix
index 0f2ba019d3f..8a688ef37c6 100644
--- a/pkgs/development/libraries/libdc1394/default.nix
+++ b/pkgs/development/libraries/libdc1394/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     ++ stdenv.lib.optional stdenv.isDarwin CoreServices;
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/projects/libdc1394/;
+    homepage = "https://sourceforge.net/projects/libdc1394/";
     description = "Capture and control API for IIDC compliant cameras";
     license = licenses.lgpl21Plus;
     maintainers = [ maintainers.viric ];
diff --git a/pkgs/development/libraries/libdeflate/default.nix b/pkgs/development/libraries/libdeflate/default.nix
index cc06815bbff..26616078b46 100644
--- a/pkgs/development/libraries/libdeflate/default.nix
+++ b/pkgs/development/libraries/libdeflate/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Fast DEFLATE/zlib/gzip compressor and decompressor";
     license = licenses.mit;
-    homepage = https://github.com/ebiggers/libdeflate;
+    homepage = "https://github.com/ebiggers/libdeflate";
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej ];
   };
diff --git a/pkgs/development/libraries/libdevil/default.nix b/pkgs/development/libraries/libdevil/default.nix
index afbff3dc0cf..132e1d1dbf5 100644
--- a/pkgs/development/libraries/libdevil/default.nix
+++ b/pkgs/development/libraries/libdevil/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   patches =
     [ ( fetchurl {
-        url = http://patch-tracker.debian.org/patch/series/dl/devil/1.7.8-6.1/03_CVE-2009-3994.diff;
+        url = "http://patch-tracker.debian.org/patch/series/dl/devil/1.7.8-6.1/03_CVE-2009-3994.diff";
         sha256 = "0qkx2qfv02igbrmsn6z5a3lbrbwjfh3rb0c2sj54wy0j1f775hbc";
       } )
       ./ftbfs-libpng15.patch
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://openil.sourceforge.net/;
+    homepage = "http://openil.sourceforge.net/";
     description = "An image library which can can load, save, convert, manipulate, filter and display a wide variety of image formats";
     license = licenses.lgpl2;
     platforms = platforms.mesaPlatforms;
diff --git a/pkgs/development/libraries/libdigidoc/default.nix b/pkgs/development/libraries/libdigidoc/default.nix
index 36f6f023a8e..0acab602331 100644
--- a/pkgs/development/libraries/libdigidoc/default.nix
+++ b/pkgs/development/libraries/libdigidoc/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for creating DigiDoc signature files";
-    homepage = http://www.id.ee/;
+    homepage = "http://www.id.ee/";
     license = licenses.lgpl2;
     platforms = platforms.linux;
     maintainers = [ maintainers.jagajaga ];
diff --git a/pkgs/development/libraries/libdigidocpp/default.nix b/pkgs/development/libraries/libdigidocpp/default.nix
index a2280bb4b3e..4052f6e45d7 100644
--- a/pkgs/development/libraries/libdigidocpp/default.nix
+++ b/pkgs/development/libraries/libdigidocpp/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for creating DigiDoc signature files";
-    homepage = http://www.id.ee/;
+    homepage = "http://www.id.ee/";
     license = licenses.lgpl2;
     platforms = platforms.linux;
     maintainers = [ maintainers.jagajaga ];
diff --git a/pkgs/development/libraries/libdiscid/default.nix b/pkgs/development/libraries/libdiscid/default.nix
index d7d88b38386..698aac87b89 100644
--- a/pkgs/development/libraries/libdiscid/default.nix
+++ b/pkgs/development/libraries/libdiscid/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C library for creating MusicBrainz DiscIDs from audio CDs";
-    homepage = http://musicbrainz.org/doc/libdiscid;
+    homepage = "http://musicbrainz.org/doc/libdiscid";
     maintainers = with maintainers; [ ehmry ];
     license = licenses.lgpl21;
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/libdivecomputer/default.nix b/pkgs/development/libraries/libdivecomputer/default.nix
index 5598e6b2fa7..5f9417bd03c 100644
--- a/pkgs/development/libraries/libdivecomputer/default.nix
+++ b/pkgs/development/libraries/libdivecomputer/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.libdivecomputer.org;
+    homepage = "http://www.libdivecomputer.org";
     description = "A cross-platform and open source library for communication with dive computers from various manufacturers";
     maintainers = [ maintainers.mguentner ];
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/libdivsufsort/default.nix b/pkgs/development/libraries/libdivsufsort/default.nix
index 01ac56e885d..0d82db7cee4 100644
--- a/pkgs/development/libraries/libdivsufsort/default.nix
+++ b/pkgs/development/libraries/libdivsufsort/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = https://github.com/y-256/libdivsufsort;
+    homepage = "https://github.com/y-256/libdivsufsort";
     license = stdenv.lib.licenses.mit;
     description = "Library to construct the suffix array and the BW transformed string";
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libdmtx/default.nix b/pkgs/development/libraries/libdmtx/default.nix
index f5248dfc79e..0bdf3fbe15a 100644
--- a/pkgs/development/libraries/libdmtx/default.nix
+++ b/pkgs/development/libraries/libdmtx/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An open source software for reading and writing Data Matrix barcodes";
-    homepage = http://libdmtx.org;
+    homepage = "http://libdmtx.org";
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
     license = stdenv.lib.licenses.bsd2;
diff --git a/pkgs/development/libraries/libdnet/default.nix b/pkgs/development/libraries/libdnet/default.nix
index 46e264b59ca..176e0a22aba 100644
--- a/pkgs/development/libraries/libdnet/default.nix
+++ b/pkgs/development/libraries/libdnet/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Provides a simplified, portable interface to several low-level networking routines";
-    homepage = https://github.com/dugsong/libdnet;
+    homepage = "https://github.com/dugsong/libdnet";
     license = stdenv.lib.licenses.bsd3;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libdrm/default.nix b/pkgs/development/libraries/libdrm/default.nix
index 61ca98e2256..0d6ff189765 100644
--- a/pkgs/development/libraries/libdrm/default.nix
+++ b/pkgs/development/libraries/libdrm/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://dri.freedesktop.org/libdrm/;
+    homepage = "https://dri.freedesktop.org/libdrm/";
     description = "Library for accessing the kernel's Direct Rendering Manager";
     license = "bsd";
     platforms = lib.platforms.unix;
diff --git a/pkgs/development/libraries/libdv/default.nix b/pkgs/development/libraries/libdv/default.nix
index a5058de597e..ed1e2cd74a3 100644
--- a/pkgs/development/libraries/libdv/default.nix
+++ b/pkgs/development/libraries/libdv/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Software decoder for DV format video, as defined by the IEC 61834 and SMPTE 314M standards";
-    homepage = https://sourceforge.net/projects/libdv/;
+    homepage = "https://sourceforge.net/projects/libdv/";
     license = licenses.lgpl21Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libdvbpsi/default.nix b/pkgs/development/libraries/libdvbpsi/default.nix
index 3a83d01353f..327aacb6f37 100644
--- a/pkgs/development/libraries/libdvbpsi/default.nix
+++ b/pkgs/development/libraries/libdvbpsi/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A simple library designed for decoding and generation of MPEG TS and DVB PSI tables according to standards ISO/IEC 13818 and ITU-T H.222.0";
-    homepage = http://www.videolan.org/developers/libdvbpsi.html ;
+    homepage = "http://www.videolan.org/developers/libdvbpsi.html";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/libdvdcss/default.nix b/pkgs/development/libraries/libdvdcss/default.nix
index fd89077a256..f097aad702a 100644
--- a/pkgs/development/libraries/libdvdcss/default.nix
+++ b/pkgs/development/libraries/libdvdcss/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://www.videolan.org/developers/libdvdcss.html;
+    homepage = "http://www.videolan.org/developers/libdvdcss.html";
     description = "A library for decrypting DVDs";
     license = licenses.gpl2;
     platforms = with platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/libdvdnav/4.2.1.nix b/pkgs/development/libraries/libdvdnav/4.2.1.nix
index 18e2689002e..c8ebf180b31 100644
--- a/pkgs/development/libraries/libdvdnav/4.2.1.nix
+++ b/pkgs/development/libraries/libdvdnav/4.2.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libdvdnav-4.2.1";
 
   src = fetchurl {
-    url = http://dvdnav.mplayerhq.hu/releases/libdvdnav-4.2.1.tar.xz;
+    url = "http://dvdnav.mplayerhq.hu/releases/libdvdnav-4.2.1.tar.xz";
     sha256 = "7fca272ecc3241b6de41bbbf7ac9a303ba25cb9e0c82aa23901d3104887f2372";
   };
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://dvdnav.mplayerhq.hu/;
+    homepage = "http://dvdnav.mplayerhq.hu/";
     description = "A library that implements DVD navigation features such as DVD menus";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.wmertens ];
diff --git a/pkgs/development/libraries/libdvdread/4.9.9.nix b/pkgs/development/libraries/libdvdread/4.9.9.nix
index fbe56023a91..33b04b0f7c0 100644
--- a/pkgs/development/libraries/libdvdread/4.9.9.nix
+++ b/pkgs/development/libraries/libdvdread/4.9.9.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libdvdread-4.9.9";
   
   src = fetchurl {
-    url = http://dvdnav.mplayerhq.hu/releases/libdvdread-4.9.9.tar.xz;
+    url = "http://dvdnav.mplayerhq.hu/releases/libdvdread-4.9.9.tar.xz";
     sha256 = "d91275471ef69d488b05cf15c60e1cd65e17648bfc692b405787419f47ca424a";
   };
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://dvdnav.mplayerhq.hu/;
+    homepage = "http://dvdnav.mplayerhq.hu/";
     description = "A library for reading DVDs";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.wmertens ];
diff --git a/pkgs/development/libraries/libdwarf/default.nix b/pkgs/development/libraries/libdwarf/default.nix
index 352d2b17406..ba4ebaec111 100644
--- a/pkgs/development/libraries/libdwarf/default.nix
+++ b/pkgs/development/libraries/libdwarf/default.nix
@@ -10,7 +10,7 @@ let
            + "5be7f9ee368f1cc8940cea4ddda01ff99d28bbf1fe58";
   };
   meta = {
-    homepage = https://www.prevanders.net/dwarf.html;
+    homepage = "https://www.prevanders.net/dwarf.html";
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.lgpl21Plus;
   };
diff --git a/pkgs/development/libraries/libdwg/default.nix b/pkgs/development/libraries/libdwg/default.nix
index 5ee92b46385..9b1aa3132e9 100644
--- a/pkgs/development/libraries/libdwg/default.nix
+++ b/pkgs/development/libraries/libdwg/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libdwg-0.6";
 
   src = fetchurl {
-    url = mirror://sourceforge/libdwg/libdwg-0.6.tar.bz2;
+    url = "mirror://sourceforge/libdwg/libdwg-0.6.tar.bz2";
     sha256 = "0l8ks1x70mkna1q7mzy1fxplinz141bd24qhrm1zkdil74mcsryc";
   };
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Library reading dwg files";
-    homepage = http://libdwg.sourceforge.net/en/;
+    homepage = "http://libdwg.sourceforge.net/en/";
     license = stdenv.lib.licenses.gpl3;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libdynd/default.nix b/pkgs/development/libraries/libdynd/default.nix
index c02a6f9a502..eec982aeeb0 100644
--- a/pkgs/development/libraries/libdynd/default.nix
+++ b/pkgs/development/libraries/libdynd/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C++ dynamic ndarray library, with Python exposure.";
-    homepage = http://libdynd.org;
+    homepage = "http://libdynd.org";
     license = licenses.bsd2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libeatmydata/default.nix b/pkgs/development/libraries/libeatmydata/default.nix
index 29ca85cdeb0..aeaa45a7905 100644
--- a/pkgs/development/libraries/libeatmydata/default.nix
+++ b/pkgs/development/libraries/libeatmydata/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = https://www.flamingspork.com/projects/libeatmydata/;
+    homepage = "https://www.flamingspork.com/projects/libeatmydata/";
     license = stdenv.lib.licenses.gpl3Plus;
     description = "Small LD_PRELOAD library to disable fsync and friends";
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libebml/default.nix b/pkgs/development/libraries/libebml/default.nix
index 591ad72e4ec..cbfcf5af042 100644
--- a/pkgs/development/libraries/libebml/default.nix
+++ b/pkgs/development/libraries/libebml/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Extensible Binary Meta Language library";
-    homepage = https://dl.matroska.org/downloads/libebml/;
+    homepage = "https://dl.matroska.org/downloads/libebml/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ spwhitt ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libebur128/default.nix b/pkgs/development/libraries/libebur128/default.nix
index 16624a78079..cb529192298 100644
--- a/pkgs/development/libraries/libebur128/default.nix
+++ b/pkgs/development/libraries/libebur128/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Implementation of the EBU R128 loudness standard";
-    homepage = https://github.com/jiixyj/libebur128;
+    homepage = "https://github.com/jiixyj/libebur128";
     license = licenses.mit;
     maintainers = [ maintainers.andrewrk ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libedit/default.nix b/pkgs/development/libraries/libedit/default.nix
index b83984e23c8..09bd41dbed0 100644
--- a/pkgs/development/libraries/libedit/default.nix
+++ b/pkgs/development/libraries/libedit/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.thrysoee.dk/editline/;
+    homepage = "http://www.thrysoee.dk/editline/";
     description = "A port of the NetBSD Editline library (libedit)";
     license = licenses.bsd3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libee/default.nix b/pkgs/development/libraries/libee/default.nix
index 7255b3fece4..36d88f88786 100644
--- a/pkgs/development/libraries/libee/default.nix
+++ b/pkgs/development/libraries/libee/default.nix
@@ -3,7 +3,7 @@ stdenv.mkDerivation {
   name = "libee-0.4.1";
 
   src = fetchurl {
-    url = http://www.libee.org/download/files/download/libee-0.4.1.tar.gz;
+    url = "http://www.libee.org/download/files/download/libee-0.4.1.tar.gz";
     sha256 = "09xhgzmsq0g3jsyj24vy67bhzk2fv971w5ixdkhfwgar70cw1nn0";
   };
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [ libestr];
 
   meta = {
-    homepage = http://www.libee.org/;
+    homepage = "http://www.libee.org/";
     description = "An Event Expression Library inspired by CEE";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/libelf-freebsd/default.nix b/pkgs/development/libraries/libelf-freebsd/default.nix
index 1835b924ec1..63507051207 100644
--- a/pkgs/development/libraries/libelf-freebsd/default.nix
+++ b/pkgs/development/libraries/libelf-freebsd/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation (rec {
   pname = "libelf-freebsd";
 
   src = fetchsvn {
-    url = svn://svn.code.sf.net/p/elftoolchain/code/trunk;
+    url = "svn://svn.code.sf.net/p/elftoolchain/code/trunk";
     rev = (stdenv.lib.strings.toInt version);
     name = "elftoolchain-${version}";
   };
@@ -27,7 +27,7 @@ stdenv.mkDerivation (rec {
   meta = {
     description = "Essential compilation tools and libraries for building and analyzing ELF based program images";
 
-    homepage = https://sourceforge.net/p/elftoolchain/wiki/Home/;
+    homepage = "https://sourceforge.net/p/elftoolchain/wiki/Home/";
 
     license = stdenv.lib.licenses.bsd2;
 
diff --git a/pkgs/development/libraries/libelf/default.nix b/pkgs/development/libraries/libelf/default.nix
index b168dd9bb56..4e4afe96d54 100644
--- a/pkgs/development/libraries/libelf/default.nix
+++ b/pkgs/development/libraries/libelf/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "ELF object file access library";
 
-    homepage = https://github.com/Distrotech/libelf;
+    homepage = "https://github.com/Distrotech/libelf";
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
diff --git a/pkgs/development/libraries/libelfin/default.nix b/pkgs/development/libraries/libelfin/default.nix
index 2eb1bd0e4fc..8a8de854fc9 100644
--- a/pkgs/development/libraries/libelfin/default.nix
+++ b/pkgs/development/libraries/libelfin/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/aclements/libelfin/;
+    homepage = "https://github.com/aclements/libelfin/";
     license = licenses.mit;
     description = "C++11 ELF/DWARF parser";
     maintainers = with maintainers; [ ma27 ];
diff --git a/pkgs/development/libraries/libepc/default.nix b/pkgs/development/libraries/libepc/default.nix
index 59780699fd1..7b12c39fc70 100644
--- a/pkgs/development/libraries/libepc/default.nix
+++ b/pkgs/development/libraries/libepc/default.nix
@@ -39,7 +39,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Easy Publish and Consume Library";
-    homepage = https://wiki.gnome.org/Projects/libepc;
+    homepage = "https://wiki.gnome.org/Projects/libepc";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libesmtp/default.nix b/pkgs/development/libraries/libesmtp/default.nix
index 9650f540fcf..e5a7f5609a3 100644
--- a/pkgs/development/libraries/libesmtp/default.nix
+++ b/pkgs/development/libraries/libesmtp/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://brianstafford.info/libesmtp/index.html;
+    homepage = "http://brianstafford.info/libesmtp/index.html";
     description = "A Library for Posting Electronic Mail";
     license = licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/libestr/default.nix b/pkgs/development/libraries/libestr/default.nix
index b8f62901eed..add7ea00a98 100644
--- a/pkgs/development/libraries/libestr/default.nix
+++ b/pkgs/development/libraries/libestr/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://libestr.adiscon.com/;
+    homepage = "https://libestr.adiscon.com/";
     description = "Some essentials for string handling";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libetpan/default.nix b/pkgs/development/libraries/libetpan/default.nix
index 6756a8dbc56..9050320773a 100644
--- a/pkgs/development/libraries/libetpan/default.nix
+++ b/pkgs/development/libraries/libetpan/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An efficient, portable library for different kinds of mail access: IMAP, SMTP, POP, and NNTP";
-    homepage = http://www.etpan.org/libetpan.html;
+    homepage = "http://www.etpan.org/libetpan.html";
     license = licenses.bsd3;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libevent/default.nix b/pkgs/development/libraries/libevent/default.nix
index a94b6d1dc2a..eaa2933505c 100644
--- a/pkgs/development/libraries/libevent/default.nix
+++ b/pkgs/development/libraries/libevent/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
       and then add or remove events dynamically without having to change
       the event loop.
     '';
-    homepage = http://libevent.org/;
+    homepage = "http://libevent.org/";
     license = licenses.bsd3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/libewf/default.nix b/pkgs/development/libraries/libewf/default.nix
index fd1e203ed37..4ebf0835351 100644
--- a/pkgs/development/libraries/libewf/default.nix
+++ b/pkgs/development/libraries/libewf/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library for support of the Expert Witness Compression Format";
-    homepage = https://sourceforge.net/projects/libewf/;
+    homepage = "https://sourceforge.net/projects/libewf/";
     license = stdenv.lib.licenses.lgpl3;
     maintainers = [ stdenv.lib.maintainers.raskin ] ;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libexecinfo/default.nix b/pkgs/development/libraries/libexecinfo/default.nix
index 4519cc7dd74..cc1c4b48e78 100644
--- a/pkgs/development/libraries/libexecinfo/default.nix
+++ b/pkgs/development/libraries/libexecinfo/default.nix
@@ -12,17 +12,17 @@ stdenv.mkDerivation rec {
   patches = [
     (fetchpatch {
       name = "10-execinfo.patch";
-      url = https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/10-execinfo.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1;
+      url = "https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/10-execinfo.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1";
       sha256 = "0lnphrad4vspyljnvmm62dyxj98vgp3wabj4w3vfzfph7j8piw7g";
     })
     (fetchpatch {
       name = "20-define-gnu-source.patch";
-      url = https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/20-define-gnu-source.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1;
+      url = "https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/20-define-gnu-source.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1";
       sha256 = "1mp8mc639b0h2s69m5z6s2h3q3n1zl298j9j0plzj7f979j76302";
     })
     (fetchpatch {
       name = "30-linux-makefile.patch";
-      url = https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/30-linux-makefile.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1;
+      url = "https://git.alpinelinux.org/cgit/aports/plain/main/libexecinfo/30-linux-makefile.patch?id=730cdcef6901750f4029d4c3b8639ce02ee3ead1";
       sha256 = "1jwjz22z5cjy5h2bfghn62yl9ar8jiqhdvbwrcfavv17ihbhwcaf";
     })
   ];
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Quick-n-dirty BSD licensed clone of the GNU libc backtrace facility";
     license = licenses.bsd2;
-    homepage = https://www.freshports.org/devel/libexecinfo;
+    homepage = "https://www.freshports.org/devel/libexecinfo";
     maintainers = with maintainers; [ dtzWill ];
   };
 }
diff --git a/pkgs/development/libraries/libexif/default.nix b/pkgs/development/libraries/libexif/default.nix
index cd35dc4c1db..090c6a2fff3 100644
--- a/pkgs/development/libraries/libexif/default.nix
+++ b/pkgs/development/libraries/libexif/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gettext ];
 
   meta = {
-    homepage = https://libexif.github.io/;
+    homepage = "https://libexif.github.io/";
     description = "A library to read and manipulate EXIF data in digital photographs";
     license = stdenv.lib.licenses.lgpl21;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libexttextcat/default.nix b/pkgs/development/libraries/libexttextcat/default.nix
index 7b3df42c24c..3adb606dd2d 100644
--- a/pkgs/development/libraries/libexttextcat/default.nix
+++ b/pkgs/development/libraries/libexttextcat/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An N-Gram-Based Text Categorization library primarily intended for language guessing";
-    homepage = https://wiki.documentfoundation.org/Libexttextcat;
+    homepage = "https://wiki.documentfoundation.org/Libexttextcat";
     platforms = platforms.all;
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/libraries/libf2c/default.nix b/pkgs/development/libraries/libf2c/default.nix
index 10a0d179d3e..66b193d4ea8 100644
--- a/pkgs/development/libraries/libf2c/default.nix
+++ b/pkgs/development/libraries/libf2c/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libf2c-20160102";
 
   src = fetchurl {
-    url = http://www.netlib.org/f2c/libf2c.zip;
+    url = "http://www.netlib.org/f2c/libf2c.zip";
     sha256 = "1q78y8j8xpl8zdzdxmn5ablss56hi5a7vz3idam9l2nfx5q40h6a";
   };
 
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "F2c converts Fortran 77 source code to C";
-    homepage = http://www.netlib.org/f2c/;
+    homepage = "http://www.netlib.org/f2c/";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libfakekey/default.nix b/pkgs/development/libraries/libfakekey/default.nix
index 3c243191543..f95d150cc25 100644
--- a/pkgs/development/libraries/libfakekey/default.nix
+++ b/pkgs/development/libraries/libfakekey/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "X virtual keyboard library";
-    homepage = https://www.yoctoproject.org/tools-resources/projects/matchbox;
+    homepage = "https://www.yoctoproject.org/tools-resources/projects/matchbox";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libfann/default.nix b/pkgs/development/libraries/libfann/default.nix
index 5e1c985fe2c..590755c3a0f 100644
--- a/pkgs/development/libraries/libfann/default.nix
+++ b/pkgs/development/libraries/libfann/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" ];
 
   meta = {
-    homepage = http://leenissen.dk/fann/wp/;
+    homepage = "http://leenissen.dk/fann/wp/";
     description = "Fast Artificial Neural Network Library";
     maintainers = with lib.maintainers; [ fpletz ];
     license = lib.licenses.lgpl21;
diff --git a/pkgs/development/libraries/libffcall/default.nix b/pkgs/development/libraries/libffcall/default.nix
index 8d11cd86c45..7fdc04d116e 100644
--- a/pkgs/development/libraries/libffcall/default.nix
+++ b/pkgs/development/libraries/libffcall/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Foreign function call library";
-    homepage = https://www.gnu.org/software/libffcall/;
+    homepage = "https://www.gnu.org/software/libffcall/";
     license = licenses.gpl2Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libffi/default.nix b/pkgs/development/libraries/libffi/default.nix
index 183f30e179e..eecffeba23d 100644
--- a/pkgs/development/libraries/libffi/default.nix
+++ b/pkgs/development/libraries/libffi/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
       interface.  A layer must exist above libffi that handles type
       conversions for values passed between the two languages.
     '';
-    homepage = http://sourceware.org/libffi/;
+    homepage = "http://sourceware.org/libffi/";
     license = licenses.mit;
     maintainers = with maintainers; [ matthewbauer ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libfido2/default.nix b/pkgs/development/libraries/libfido2/default.nix
index d5d2b18e5ed..94f0540ab05 100644
--- a/pkgs/development/libraries/libfido2/default.nix
+++ b/pkgs/development/libraries/libfido2/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     description = ''
     Provides library functionality for FIDO 2.0, including communication with a device over USB.
     '';
-    homepage = https://github.com/Yubico/libfido2;
+    homepage = "https://github.com/Yubico/libfido2";
     license = licenses.bsd2;
     maintainers = with maintainers; [ dtzWill prusnak ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libfishsound/default.nix b/pkgs/development/libraries/libfishsound/default.nix
index fae96c8d3f7..3843f4a97ce 100644
--- a/pkgs/development/libraries/libfishsound/default.nix
+++ b/pkgs/development/libraries/libfishsound/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
 
   meta = with stdenv.lib; {
-    homepage = https://xiph.org/fishsound/;
+    homepage = "https://xiph.org/fishsound/";
     description = ''libfishsound by itself is designed to handle raw codec streams from a lower level layer such as UDP datagrams. When these codecs are used in files, they are commonly encapsulated in Ogg to produce Ogg FLAC, Speex and Ogg Vorbis files.
 
 libfishsound is a wrapper around the existing codec libraries and provides a consistent, higher-level programming interface. It has been designed for use in a wide variety of applications; it has no direct dependencies on Ogg encapsulation, though it is most commonly used in conjunction with liboggz to decode or encode FLAC, Speex or Vorbis audio tracks in Ogg files, including Ogg Theora and Annodex.
diff --git a/pkgs/development/libraries/libfive/default.nix b/pkgs/development/libraries/libfive/default.nix
index e007ab2f95a..fa275c0d780 100644
--- a/pkgs/development/libraries/libfive/default.nix
+++ b/pkgs/development/libraries/libfive/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Infrastructure for solid modeling with F-Reps in C, C++, and Guile";
-    homepage = https://libfive.com/;
+    homepage = "https://libfive.com/";
     maintainers = with maintainers; [ hodapp ];
     license = licenses.lgpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libfixposix/default.nix b/pkgs/development/libraries/libfixposix/default.nix
index 9c9b6c8034c..4fdb22f8bd4 100644
--- a/pkgs/development/libraries/libfixposix/default.nix
+++ b/pkgs/development/libraries/libfixposix/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/sionescu/libfixposix;
+    homepage = "https://github.com/sionescu/libfixposix";
     description = "Thin wrapper over POSIX syscalls and some replacement functionality";
     license = licenses.boost;
     maintainers = with maintainers; [ orivej raskin ];
diff --git a/pkgs/development/libraries/libfm/default.nix b/pkgs/development/libraries/libfm/default.nix
index a0323481be9..9145d8fd892 100644
--- a/pkgs/development/libraries/libfm/default.nix
+++ b/pkgs/development/libraries/libfm/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://blog.lxde.org/category/pcmanfm/;
+    homepage = "https://blog.lxde.org/category/pcmanfm/";
     license = licenses.lgpl21Plus;
     description = "A glib-based library for file management";
     maintainers = [ maintainers.ttuegel ];
diff --git a/pkgs/development/libraries/libfprint/default.nix b/pkgs/development/libraries/libfprint/default.nix
index cecb2b6750b..e886baa4797 100644
--- a/pkgs/development/libraries/libfprint/default.nix
+++ b/pkgs/development/libraries/libfprint/default.nix
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://fprint.freedesktop.org/;
+    homepage = "https://fprint.freedesktop.org/";
     description = "A library designed to make it easy to add support for consumer fingerprint readers";
     license = licenses.lgpl21;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libfpx/default.nix b/pkgs/development/libraries/libfpx/default.nix
index 97df5107409..52c64ed8629 100644
--- a/pkgs/development/libraries/libfpx/default.nix
+++ b/pkgs/development/libraries/libfpx/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '' else null;
 
   meta = with stdenv.lib; {
-    homepage = http://www.imagemagick.org;
+    homepage = "http://www.imagemagick.org";
     description = "A library for manipulating FlashPIX images";
     license = "Flashpix";
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libfreefare/default.nix b/pkgs/development/libraries/libfreefare/default.nix
index 8ddce0aa98c..4af7d44a294 100644
--- a/pkgs/development/libraries/libfreefare/default.nix
+++ b/pkgs/development/libraries/libfreefare/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "The libfreefare project aims to provide a convenient API for MIFARE card manipulations";
     license = licenses.lgpl3;
-    homepage = https://github.com/nfc-tools/libfreefare;
+    homepage = "https://github.com/nfc-tools/libfreefare";
     maintainers = with maintainers; [bobvanderlinden];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libftdi/1.x.nix b/pkgs/development/libraries/libftdi/1.x.nix
index 26002725d91..0e2e24d0f3b 100644
--- a/pkgs/development/libraries/libftdi/1.x.nix
+++ b/pkgs/development/libraries/libftdi/1.x.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to talk to FTDI chips using libusb";
-    homepage = https://www.intra2net.com/en/developer/libftdi/;
+    homepage = "https://www.intra2net.com/en/developer/libftdi/";
     license = with licenses; [ lgpl2 gpl2 ];
     platforms = with platforms; linux ++ darwin;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libftdi/default.nix b/pkgs/development/libraries/libftdi/default.nix
index 3dffbd075e9..d483cc16f08 100644
--- a/pkgs/development/libraries/libftdi/default.nix
+++ b/pkgs/development/libraries/libftdi/default.nix
@@ -25,7 +25,7 @@ with stdenv; mkDerivation rec {
 
   meta = {
     description = "A library to talk to FTDI chips using libusb";
-    homepage = https://www.intra2net.com/en/developer/libftdi/;
+    homepage = "https://www.intra2net.com/en/developer/libftdi/";
     license = lib.licenses.lgpl21;
     platforms = lib.platforms.all;
   };
diff --git a/pkgs/development/libraries/libgadu/default.nix b/pkgs/development/libraries/libgadu/default.nix
index b039c84b2fb..4e9ce765b96 100644
--- a/pkgs/development/libraries/libgadu/default.nix
+++ b/pkgs/development/libraries/libgadu/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   name = "libgadu-1.11.2";
 
   src = fetchurl {
-    url = http://toxygen.net/libgadu/files/libgadu-1.11.2.tar.gz;
+    url = "http://toxygen.net/libgadu/files/libgadu-1.11.2.tar.gz";
     sha256 = "0kifi9blhbimihqw4kaf6wyqhlx8fpp8nq4s6y280ar9p0il2n3z";
   };
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A library to deal with gadu-gadu protocol (most popular polish IM protocol)";
-    homepage = http://toxygen.net/libgadu/;
+    homepage = "http://toxygen.net/libgadu/";
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/libgaminggear/default.nix b/pkgs/development/libraries/libgaminggear/default.nix
index d83b43a782e..1b528b98e85 100644
--- a/pkgs/development/libraries/libgaminggear/default.nix
+++ b/pkgs/development/libraries/libgaminggear/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Provides functionality for gaming input devices";
-    homepage = https://sourceforge.net/projects/libgaminggear/;
+    homepage = "https://sourceforge.net/projects/libgaminggear/";
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.gpl2Plus;
   };
diff --git a/pkgs/development/libraries/libgcrypt/1.5.nix b/pkgs/development/libraries/libgcrypt/1.5.nix
index 80cb6641bfb..9de5cf2d2d1 100644
--- a/pkgs/development/libraries/libgcrypt/1.5.nix
+++ b/pkgs/development/libraries/libgcrypt/1.5.nix
@@ -33,10 +33,10 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnu.org/software/libgcrypt/;
+    homepage = "https://www.gnu.org/software/libgcrypt/";
     description = "General-pupose cryptographic library";
     license = licenses.lgpl2Plus;
     platforms = platforms.all;
-    repositories.git = git://git.gnupg.org/libgcrypt.git;
+    repositories.git = "git://git.gnupg.org/libgcrypt.git";
   };
 }
diff --git a/pkgs/development/libraries/libgcrypt/default.nix b/pkgs/development/libraries/libgcrypt/default.nix
index e7a9ec60a6d..a3d515c5047 100644
--- a/pkgs/development/libraries/libgcrypt/default.nix
+++ b/pkgs/development/libraries/libgcrypt/default.nix
@@ -48,11 +48,11 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnu.org/software/libgcrypt/;
+    homepage = "https://www.gnu.org/software/libgcrypt/";
     description = "General-purpose cryptographic library";
     license = licenses.lgpl2Plus;
     platforms = platforms.all;
     maintainers = with maintainers; [ vrthra ];
-    repositories.git = git://git.gnupg.org/libgcrypt.git;
+    repositories.git = "git://git.gnupg.org/libgcrypt.git";
   };
 }
diff --git a/pkgs/development/libraries/libgda/default.nix b/pkgs/development/libraries/libgda/default.nix
index a1871f6b2e6..4f5dede3c14 100644
--- a/pkgs/development/libraries/libgda/default.nix
+++ b/pkgs/development/libraries/libgda/default.nix
@@ -45,7 +45,7 @@ assert postgresSupport -> postgresql != null;
 
   meta = with stdenv.lib; {
     description = "Database access library";
-    homepage = https://www.gnome-db.org/;
+    homepage = "https://www.gnome-db.org/";
     license = [ licenses.lgpl2 licenses.gpl2 ];
     maintainers = gnome3.maintainers;
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/libgdamm/default.nix b/pkgs/development/libraries/libgdamm/default.nix
index f5cc5efa06a..2f0fb8fd8c8 100644
--- a/pkgs/development/libraries/libgdamm/default.nix
+++ b/pkgs/development/libraries/libgdamm/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ bindings for libgda";
-    homepage = https://www.gnome-db.org/;
+    homepage = "https://www.gnome-db.org/";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libgdiplus/default.nix b/pkgs/development/libraries/libgdiplus/default.nix
index 54bf091e5ea..075742e3139 100644
--- a/pkgs/development/libraries/libgdiplus/default.nix
+++ b/pkgs/development/libraries/libgdiplus/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Mono library that provides a GDI+-compatible API on non-Windows operating systems";
-    homepage = https://www.mono-project.com/docs/gui/libgdiplus/;
+    homepage = "https://www.mono-project.com/docs/gui/libgdiplus/";
     platforms = platforms.unix;
     license = licenses.mit;
   };
diff --git a/pkgs/development/libraries/libgee/default.nix b/pkgs/development/libraries/libgee/default.nix
index 92c9f214ab4..2a36357f8bb 100644
--- a/pkgs/development/libraries/libgee/default.nix
+++ b/pkgs/development/libraries/libgee/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Utility library providing GObject-based interfaces and classes for commonly used data structures";
-    homepage = https://wiki.gnome.org/Projects/Libgee;
+    homepage = "https://wiki.gnome.org/Projects/Libgee";
     license = licenses.lgpl21Plus;
     platforms = platforms.unix;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/libgeotiff/default.nix b/pkgs/development/libraries/libgeotiff/default.nix
index db75ff1784f..1b973fd5eee 100644
--- a/pkgs/development/libraries/libgeotiff/default.nix
+++ b/pkgs/development/libraries/libgeotiff/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library implementing attempt to create a tiff based interchange format for georeferenced raster imagery";
-    homepage = https://github.com/OSGeo/libgeotiff;
+    homepage = "https://github.com/OSGeo/libgeotiff";
     license = stdenv.lib.licenses.mit;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/libgig/default.nix b/pkgs/development/libraries/libgig/default.nix
index 27939238278..84d44969a14 100644
--- a/pkgs/development/libraries/libgig/default.nix
+++ b/pkgs/development/libraries/libgig/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.linuxsampler.org;
+    homepage = "http://www.linuxsampler.org";
     description = "Gigasampler file access library";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/libgksu/default.nix b/pkgs/development/libraries/libgksu/default.nix
index 24052ea4058..9ead3a97c04 100644
--- a/pkgs/development/libraries/libgksu/default.nix
+++ b/pkgs/development/libraries/libgksu/default.nix
@@ -78,7 +78,7 @@ stdenv.mkDerivation rec {
       user.  It provides X authentication facilities for running
       programs in an X session.
     '';
-    homepage = https://www.nongnu.org/gksu/;
+    homepage = "https://www.nongnu.org/gksu/";
     license = stdenv.lib.licenses.lgpl2;
     maintainers = [ stdenv.lib.maintainers.romildo ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libglvnd/default.nix b/pkgs/development/libraries/libglvnd/default.nix
index 55b801b0b0d..5772e0d24f6 100644
--- a/pkgs/development/libraries/libglvnd/default.nix
+++ b/pkgs/development/libraries/libglvnd/default.nix
@@ -63,7 +63,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The GL Vendor-Neutral Dispatch library";
-    homepage = https://github.com/NVIDIA/libglvnd;
+    homepage = "https://github.com/NVIDIA/libglvnd";
     license = licenses.bsd2;
     platforms = platforms.linux ++ platforms.darwin;
   };
diff --git a/pkgs/development/libraries/libgpg-error/default.nix b/pkgs/development/libraries/libgpg-error/default.nix
index c02bc7f0ed3..0b2e7341513 100644
--- a/pkgs/development/libraries/libgpg-error/default.nix
+++ b/pkgs/development/libraries/libgpg-error/default.nix
@@ -67,7 +67,7 @@ in stdenv.mkDerivation (rec {
   doCheck = true; # not cross
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnupg.org/related_software/libgpg-error/index.html;
+    homepage = "https://www.gnupg.org/related_software/libgpg-error/index.html";
     description = "A small library that defines common error values for all GnuPG components";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/libgphoto2/default.nix b/pkgs/development/libraries/libgphoto2/default.nix
index 6203b8c7b71..95bb24ecb58 100644
--- a/pkgs/development/libraries/libgphoto2/default.nix
+++ b/pkgs/development/libraries/libgphoto2/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://www.gphoto.org/proj/libgphoto2/;
+    homepage = "http://www.gphoto.org/proj/libgphoto2/";
     description = "A library for accessing digital cameras";
     longDescription = ''
       This is the library backend for gphoto2. It contains the code for PTP,
diff --git a/pkgs/development/libraries/libgpod/default.nix b/pkgs/development/libraries/libgpod/default.nix
index 5c25a4d5abf..e30e05d44c1 100644
--- a/pkgs/development/libraries/libgpod/default.nix
+++ b/pkgs/development/libraries/libgpod/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     ++ lib.optionals monoSupport [ mono gtk-sharp-2_0 ];
 
   meta = {
-    homepage = https://gtkpod.sourceforge.net/;
+    homepage = "https://gtkpod.sourceforge.net/";
     description = "Library used by gtkpod to access the contents of an ipod";
     license = "LGPL";
     platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libgringotts/default.nix b/pkgs/development/libraries/libgringotts/default.nix
index 76d7ebcc8cc..323f5af7097 100644
--- a/pkgs/development/libraries/libgringotts/default.nix
+++ b/pkgs/development/libraries/libgringotts/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A small library to encapsulate data in an encrypted structure";
-    homepage = http://libgringotts.sourceforge.net/;
+    homepage = "http://libgringotts.sourceforge.net/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
     maintainers = with maintainers; [ pSub ];
diff --git a/pkgs/development/libraries/libgroove/default.nix b/pkgs/development/libraries/libgroove/default.nix
index bea3c85260c..3fea527c450 100644
--- a/pkgs/development/libraries/libgroove/default.nix
+++ b/pkgs/development/libraries/libgroove/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Streaming audio processing library";
-    homepage = https://github.com/andrewrk/libgroove;
+    homepage = "https://github.com/andrewrk/libgroove";
     license = licenses.mit;
     platforms = platforms.unix;
     maintainers = with maintainers; [ andrewrk ];
diff --git a/pkgs/development/libraries/libgrss/default.nix b/pkgs/development/libraries/libgrss/default.nix
index 8fc44fb6a8d..0945b9219ff 100644
--- a/pkgs/development/libraries/libgrss/default.nix
+++ b/pkgs/development/libraries/libgrss/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Glib abstaction to handle feeds in RSS, Atom and other formats";
-    homepage = https://wiki.gnome.org/Projects/Libgrss;
+    homepage = "https://wiki.gnome.org/Projects/Libgrss";
     license = licenses.lgpl3Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libgsf/default.nix b/pkgs/development/libraries/libgsf/default.nix
index a60d3a16533..aa782ec3339 100644
--- a/pkgs/development/libraries/libgsf/default.nix
+++ b/pkgs/development/libraries/libgsf/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GNOME's Structured File Library";
-    homepage    = https://www.gnome.org/projects/libgsf;
+    homepage    = "https://www.gnome.org/projects/libgsf";
     license     = licenses.lgpl2Plus;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libgssglue/default.nix b/pkgs/development/libraries/libgssglue/default.nix
index 0177869d3e3..d13c0940205 100644
--- a/pkgs/development/libraries/libgssglue/default.nix
+++ b/pkgs/development/libraries/libgssglue/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.citi.umich.edu/projects/nfsv4/linux/;
+    homepage = "http://www.citi.umich.edu/projects/nfsv4/linux/";
     description = "Exports a gssapi interface which calls other random gssapi libraries";
     license = licenses.bsd3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libgudev/default.nix b/pkgs/development/libraries/libgudev/default.nix
index 8023acb75d2..3fcc549e8ed 100644
--- a/pkgs/development/libraries/libgudev/default.nix
+++ b/pkgs/development/libraries/libgudev/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library that provides GObject bindings for libudev";
-    homepage = https://wiki.gnome.org/Projects/libgudev;
+    homepage = "https://wiki.gnome.org/Projects/libgudev";
     maintainers = [ maintainers.eelco ] ++ gnome3.maintainers;
     platforms = platforms.linux;
     license = licenses.lgpl2Plus;
diff --git a/pkgs/development/libraries/libgumath/default.nix b/pkgs/development/libraries/libgumath/default.nix
index f1483c38c15..27a10507a58 100644
--- a/pkgs/development/libraries/libgumath/default.nix
+++ b/pkgs/development/libraries/libgumath/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Library supporting function dispatch on general data containers. C base and Python wrapper";
-    homepage = https://xnd.io/;
+    homepage = "https://xnd.io/";
     license = licenses.bsd3;
     maintainers = [ maintainers.costrouc ];
   };
diff --git a/pkgs/development/libraries/libgweather/default.nix b/pkgs/development/libraries/libgweather/default.nix
index f782176108a..5b4f4fa5b96 100644
--- a/pkgs/development/libraries/libgweather/default.nix
+++ b/pkgs/development/libraries/libgweather/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to access weather information from online services for numerous locations";
-    homepage = https://wiki.gnome.org/Projects/LibGWeather;
+    homepage = "https://wiki.gnome.org/Projects/LibGWeather";
     license = licenses.gpl2Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libgxps/default.nix b/pkgs/development/libraries/libgxps/default.nix
index 30e5e247ab2..3a098b00062 100644
--- a/pkgs/development/libraries/libgxps/default.nix
+++ b/pkgs/development/libraries/libgxps/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A GObject based library for handling and rendering XPS documents";
-    homepage = https://wiki.gnome.org/Projects/libgxps;
+    homepage = "https://wiki.gnome.org/Projects/libgxps";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libhandy/default.nix b/pkgs/development/libraries/libhandy/default.nix
index 7c9779cf59b..2a5ad06455d 100644
--- a/pkgs/development/libraries/libhandy/default.nix
+++ b/pkgs/development/libraries/libhandy/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library full of GTK widgets for mobile phones";
-    homepage = https://source.puri.sm/Librem5/libhandy;
+    homepage = "https://source.puri.sm/Librem5/libhandy";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libhangul/default.nix b/pkgs/development/libraries/libhangul/default.nix
index 9e72d933433..eb62337c502 100644
--- a/pkgs/development/libraries/libhangul/default.nix
+++ b/pkgs/development/libraries/libhangul/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Core algorithm library for Korean input routines";
-    homepage = https://github.com/choehwanjin/libhangul;
+    homepage = "https://github.com/choehwanjin/libhangul";
     license = licenses.lgpl21;
     maintainers = [ maintainers.ianwookim ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libharu/default.nix b/pkgs/development/libraries/libharu/default.nix
index 0830b45b308..68dba64618f 100644
--- a/pkgs/development/libraries/libharu/default.nix
+++ b/pkgs/development/libraries/libharu/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libharu-2.3.0";
 
   src = fetchzip {
-    url = https://github.com/libharu/libharu/archive/RELEASE_2_3_0.tar.gz;
+    url = "https://github.com/libharu/libharu/archive/RELEASE_2_3_0.tar.gz";
     sha256 = "15s9hswnl3qqi7yh29jyrg0hma2n99haxznvcywmsp8kjqlyg75q";
   };
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Cross platform, open source library for generating PDF files";
-    homepage = http://libharu.org/;
+    homepage = "http://libharu.org/";
     license = stdenv.lib.licenses.zlib;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libhdhomerun/default.nix b/pkgs/development/libraries/libhdhomerun/default.nix
index 5dc1fb93834..bcab7faa412 100644
--- a/pkgs/development/libraries/libhdhomerun/default.nix
+++ b/pkgs/development/libraries/libhdhomerun/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Implements the libhdhomerun protocol for use with Silicondust HDHomeRun TV tuners";
-    homepage = https://github.com/Silicondust/libhdhomerun;
+    homepage = "https://github.com/Silicondust/libhdhomerun";
     repositories.git = "https://github.com/Silicondust/libhdhomerun.git";
     license = stdenv.lib.licenses.lgpl2;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libhttpseverywhere/default.nix b/pkgs/development/libraries/libhttpseverywhere/default.nix
index c58812eca58..b138aab8e78 100644
--- a/pkgs/development/libraries/libhttpseverywhere/default.nix
+++ b/pkgs/development/libraries/libhttpseverywhere/default.nix
@@ -41,7 +41,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to use HTTPSEverywhere in desktop applications";
-    homepage = https://gitlab.gnome.org/GNOME/libhttpseverywhere;
+    homepage = "https://gitlab.gnome.org/GNOME/libhttpseverywhere";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ sternenseemann ] ++ gnome3.maintainers;
diff --git a/pkgs/development/libraries/libiberty/default.nix b/pkgs/development/libraries/libiberty/default.nix
index 08a88bfee45..3d50df3e56c 100644
--- a/pkgs/development/libraries/libiberty/default.nix
+++ b/pkgs/development/libraries/libiberty/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://gcc.gnu.org/;
+    homepage = "https://gcc.gnu.org/";
     license = licenses.lgpl2;
     description = "Collection of subroutines used by various GNU programs";
     maintainers = with maintainers; [ abbradar ericson2314 ];
diff --git a/pkgs/development/libraries/libibmad/default.nix b/pkgs/development/libraries/libibmad/default.nix
index 00bd7e6eeea..8c46efa9710 100644
--- a/pkgs/development/libraries/libibmad/default.nix
+++ b/pkgs/development/libraries/libibmad/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libibumad ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.openfabrics.org/;
+    homepage = "https://www.openfabrics.org/";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libibumad/default.nix b/pkgs/development/libraries/libibumad/default.nix
index 689e9a0be5d..4c37f8564b0 100644
--- a/pkgs/development/libraries/libibumad/default.nix
+++ b/pkgs/development/libraries/libibumad/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://www.openfabrics.org/;
+    homepage = "https://www.openfabrics.org/";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libicns/default.nix b/pkgs/development/libraries/libicns/default.nix
index 27ec8b17c0d..10d68ee3a4e 100644
--- a/pkgs/development/libraries/libicns/default.nix
+++ b/pkgs/development/libraries/libicns/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for manipulation of the Mac OS icns resource format";
-    homepage = https://icns.sourceforge.io;
+    homepage = "https://icns.sourceforge.io";
     license = with licenses; [ gpl2 lgpl2 lgpl21 ];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libiconv/default.nix b/pkgs/development/libraries/libiconv/default.nix
index 7dc90d9ae3e..87969d6b2c7 100644
--- a/pkgs/development/libraries/libiconv/default.nix
+++ b/pkgs/development/libraries/libiconv/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
       applications.
     '';
 
-    homepage = https://www.gnu.org/software/libiconv/;
+    homepage = "https://www.gnu.org/software/libiconv/";
     license = lib.licenses.lgpl2Plus;
 
     maintainers = [ ];
diff --git a/pkgs/development/libraries/libid3tag/default.nix b/pkgs/development/libraries/libid3tag/default.nix
index c6d430e10fc..9847312a34a 100644
--- a/pkgs/development/libraries/libid3tag/default.nix
+++ b/pkgs/development/libraries/libid3tag/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.15.1b";
 
   src = fetchurl {
-    url = mirror://sourceforge/mad/libid3tag-0.15.1b.tar.gz;
+    url = "mirror://sourceforge/mad/libid3tag-0.15.1b.tar.gz";
     sha256 = "63da4f6e7997278f8a3fef4c6a372d342f705051d1eeb6a46a86b03610e26151";
   };
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "ID3 tag manipulation library";
-    homepage = http://mad.sourceforge.net/;
+    homepage = "http://mad.sourceforge.net/";
     license = licenses.gpl2;
     maintainers = [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libidn/default.nix b/pkgs/development/libraries/libidn/default.nix
index 8291499daf3..a0df28a6699 100644
--- a/pkgs/development/libraries/libidn/default.nix
+++ b/pkgs/development/libraries/libidn/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails
 
   meta = {
-    homepage = https://www.gnu.org/software/libidn/;
+    homepage = "https://www.gnu.org/software/libidn/";
     description = "Library for internationalized domain names";
 
     longDescription = ''
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
       included.
     '';
 
-    repositories.git = git://git.savannah.gnu.org/libidn.git;
+    repositories.git = "git://git.savannah.gnu.org/libidn.git";
     license = stdenv.lib.licenses.lgpl2Plus;
     platforms = stdenv.lib.platforms.all;
     maintainers = [ ];
diff --git a/pkgs/development/libraries/libidn2/default.nix b/pkgs/development/libraries/libidn2/default.nix
index c1363d7a928..1fc0bd9b399 100644
--- a/pkgs/development/libraries/libidn2/default.nix
+++ b/pkgs/development/libraries/libidn2/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       detailed information.
     '';
 
-    repositories.git = https://gitlab.com/jas/libidn2;
+    repositories.git = "https://gitlab.com/jas/libidn2";
     license = with stdenv.lib.licenses; [ lgpl3Plus gpl2Plus gpl3Plus ];
     platforms = stdenv.lib.platforms.all;
     maintainers = with stdenv.lib.maintainers; [ fpletz ];
diff --git a/pkgs/development/libraries/libiec61883/default.nix b/pkgs/development/libraries/libiec61883/default.nix
index 936d165a6cf..77b2424bfee 100644
--- a/pkgs/development/libraries/libiec61883/default.nix
+++ b/pkgs/development/libraries/libiec61883/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ libraw1394 ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.linux1394.org;
+    homepage = "https://www.linux1394.org";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libiio/default.nix b/pkgs/development/libraries/libiio/default.nix
index 461c6f11164..03a907162b1 100644
--- a/pkgs/development/libraries/libiio/default.nix
+++ b/pkgs/development/libraries/libiio/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "API for interfacing with the Linux Industrial I/O Subsystem";
-    homepage    = https://github.com/analogdevicesinc/libiio;
+    homepage    = "https://github.com/analogdevicesinc/libiio";
     license     = licenses.lgpl21;
     platforms   = platforms.linux;
     maintainers = with maintainers; [ thoughtpolice ];
diff --git a/pkgs/development/libraries/libimobiledevice/default.nix b/pkgs/development/libraries/libimobiledevice/default.nix
index 950fe3e3718..47408f8cb6f 100644
--- a/pkgs/development/libraries/libimobiledevice/default.nix
+++ b/pkgs/development/libraries/libimobiledevice/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/libimobiledevice/libimobiledevice;
+    homepage = "https://github.com/libimobiledevice/libimobiledevice";
     description = "A software library that talks the protocols to support iPhone®, iPod Touch® and iPad® devices on Linux";
     longDescription = ''
       libimobiledevice is a software library that talks the protocols to support
diff --git a/pkgs/development/libraries/libindicator/default.nix b/pkgs/development/libraries/libindicator/default.nix
index 33691f79a4c..8bb90180300 100644
--- a/pkgs/development/libraries/libindicator/default.nix
+++ b/pkgs/development/libraries/libindicator/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A set of symbols and convenience functions for Ayatana indicators";
-    homepage = https://launchpad.net/libindicator;
+    homepage = "https://launchpad.net/libindicator";
     license = licenses.gpl3;
     platforms = platforms.linux;
     maintainers = [ maintainers.msteen ];
diff --git a/pkgs/development/libraries/libinfinity/default.nix b/pkgs/development/libraries/libinfinity/default.nix
index 9be58ac537a..e018c1a9f5e 100644
--- a/pkgs/development/libraries/libinfinity/default.nix
+++ b/pkgs/development/libraries/libinfinity/default.nix
@@ -43,7 +43,7 @@ let
     };
 
     meta = {
-      homepage = http://gobby.0x539.de/;
+      homepage = "http://gobby.0x539.de/";
       description = "An implementation of the Infinote protocol written in GObject-based C";
       license = stdenv.lib.licenses.lgpl2Plus;
       maintainers = [ stdenv.lib.maintainers.phreedom ];
diff --git a/pkgs/development/libraries/libinotify-kqueue/default.nix b/pkgs/development/libraries/libinotify-kqueue/default.nix
index 75cd1a00507..074d2954ef1 100644
--- a/pkgs/development/libraries/libinotify-kqueue/default.nix
+++ b/pkgs/development/libraries/libinotify-kqueue/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Inotify shim for macOS and BSD";
-    homepage = https://github.com/libinotify-kqueue/libinotify-kqueue;
+    homepage = "https://github.com/libinotify-kqueue/libinotify-kqueue";
     license = licenses.mit;
     maintainers = with maintainers; [ yegortimoshenko ];
     platforms = with platforms; darwin ++ freebsd ++ netbsd ++ openbsd;
diff --git a/pkgs/development/libraries/libinput/default.nix b/pkgs/development/libraries/libinput/default.nix
index 446c33e61e6..ad0ca188eb9 100644
--- a/pkgs/development/libraries/libinput/default.nix
+++ b/pkgs/development/libraries/libinput/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Handles input devices in Wayland compositors and provides a generic X.Org input driver";
-    homepage    = http://www.freedesktop.org/wiki/Software/libinput;
+    homepage    = "http://www.freedesktop.org/wiki/Software/libinput";
     license     = licenses.mit;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ codyopel ];
diff --git a/pkgs/development/libraries/libiodbc/default.nix b/pkgs/development/libraries/libiodbc/default.nix
index ad55c6cb18f..c80a9bb1f92 100644
--- a/pkgs/development/libraries/libiodbc/default.nix
+++ b/pkgs/development/libraries/libiodbc/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "iODBC driver manager";
-    homepage = http://www.iodbc.org;
+    homepage = "http://www.iodbc.org";
     platforms = platforms.unix;
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/libraries/libipfix/default.nix b/pkgs/development/libraries/libipfix/default.nix
index fccf4b3d50f..1b8aef201af 100644
--- a/pkgs/development/libraries/libipfix/default.nix
+++ b/pkgs/development/libraries/libipfix/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "0h7v0sxjjdc41hl5vq2x0yhyn04bczl11bqm97825mivrvfymhn6";
   };
   meta = with stdenv.lib; {
-    homepage = http://libipfix.sourceforge.net/;
+    homepage = "http://libipfix.sourceforge.net/";
     description = "The libipfix C-library implements the IPFIX protocol defined by the IP Flow Information Export working group of the IETF.";
     license = licenses.lgpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libipt/default.nix b/pkgs/development/libraries/libipt/default.nix
index 792a74da581..cb4db488dc4 100644
--- a/pkgs/development/libraries/libipt/default.nix
+++ b/pkgs/development/libraries/libipt/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Intel Processor Trace decoder library";
-    homepage = https://github.com/intel/libipt;
+    homepage = "https://github.com/intel/libipt";
     license = licenses.bsd3;
     platforms = platforms.unix;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/libiptcdata/default.nix b/pkgs/development/libraries/libiptcdata/default.nix
index 8e1ca68a69e..01b23d9e2d2 100644
--- a/pkgs/development/libraries/libiptcdata/default.nix
+++ b/pkgs/development/libraries/libiptcdata/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library for reading and writing the IPTC metadata in images and other files";
-    homepage = http://libiptcdata.sourceforge.net/;
+    homepage = "http://libiptcdata.sourceforge.net/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libircclient/default.nix b/pkgs/development/libraries/libircclient/default.nix
index 561a5248278..4bef2de28c0 100644
--- a/pkgs/development/libraries/libircclient/default.nix
+++ b/pkgs/development/libraries/libircclient/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A small but extremely powerful library which implements the client IRC protocol";
-    homepage    = http://www.ulduzsoft.com/libircclient/;
+    homepage    = "http://www.ulduzsoft.com/libircclient/";
     license     = licenses.lgpl3;
     maintainers = with maintainers; [ obadz ];
     platforms   = platforms.linux;
diff --git a/pkgs/development/libraries/libirecovery/default.nix b/pkgs/development/libraries/libirecovery/default.nix
index c6bb7906469..59f09c8d253 100644
--- a/pkgs/development/libraries/libirecovery/default.nix
+++ b/pkgs/development/libraries/libirecovery/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/libimobiledevice/libirecovery;
+    homepage = "https://github.com/libimobiledevice/libirecovery";
     description = "Library and utility to talk to iBoot/iBSS via USB on Mac OS X, Windows, and Linux";
     longDescription = ''
       libirecovery is a cross-platform library which implements communication to
diff --git a/pkgs/development/libraries/libisoburn/default.nix b/pkgs/development/libraries/libisoburn/default.nix
index 633f19cef79..0b4984fc82a 100644
--- a/pkgs/development/libraries/libisoburn/default.nix
+++ b/pkgs/development/libraries/libisoburn/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ acl ];
 
   meta = with stdenv.lib; {
-    homepage = http://libburnia-project.org/;
+    homepage = "http://libburnia-project.org/";
     description = "Enables creation and expansion of ISO-9660 filesystems on CD/DVD/BD ";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ vrthra ];
diff --git a/pkgs/development/libraries/libisofs/default.nix b/pkgs/development/libraries/libisofs/default.nix
index 2c1bb3b3b8e..0c01389f0b8 100644
--- a/pkgs/development/libraries/libisofs/default.nix
+++ b/pkgs/development/libraries/libisofs/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ acl ];
 
   meta = with stdenv.lib; {
-    homepage = http://libburnia-project.org/;
+    homepage = "http://libburnia-project.org/";
     description = "A library to create an ISO-9660 filesystem with extensions like RockRidge or Joliet";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ abbradar vrthra ];
diff --git a/pkgs/development/libraries/libivykis/default.nix b/pkgs/development/libraries/libivykis/default.nix
index 17cca74c7d2..1226d1c489e 100644
--- a/pkgs/development/libraries/libivykis/default.nix
+++ b/pkgs/development/libraries/libivykis/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ file protobufc ];
 
   meta = with stdenv.lib; {
-    homepage = http://libivykis.sourceforge.net/;
+    homepage = "http://libivykis.sourceforge.net/";
     description = ''
       A thin wrapper over various OS'es implementation of I/O readiness
       notification facilities
diff --git a/pkgs/development/libraries/libixp-hg/default.nix b/pkgs/development/libraries/libixp-hg/default.nix
index 1790f3f68b2..e971136b088 100644
--- a/pkgs/development/libraries/libixp-hg/default.nix
+++ b/pkgs/development/libraries/libixp-hg/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   pname = "libixp";
 
   src = fetchurl {
-    url = https://storage.googleapis.com/google-code-archive-source/v2/code.google.com/libixp/source-archive.zip;
+    url = "https://storage.googleapis.com/google-code-archive-source/v2/code.google.com/libixp/source-archive.zip";
     sha256 = "0kcdvdcrkw6q39v563ncis6d7ini64xbgn5fd3b4aa95fp9sj3is";
   };
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ unzip txt2tags ];
 
   meta = {
-    homepage = http://repo.cat-v.org/libixp/; # see also https://libs.suckless.org/deprecated/libixp
+    homepage = "http://repo.cat-v.org/libixp/"; # see also https://libs.suckless.org/deprecated/libixp
     description = "Portable, simple C-language 9P client and server libary";
     maintainers = with stdenv.lib.maintainers; [ kovirobi ];
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/libjpeg-drop/default.nix b/pkgs/development/libraries/libjpeg-drop/default.nix
index 8ed1c9bf92f..22cb1b13589 100644
--- a/pkgs/development/libraries/libjpeg-drop/default.nix
+++ b/pkgs/development/libraries/libjpeg-drop/default.nix
@@ -7,11 +7,11 @@ stdenv.mkDerivation {
 
   srcs = [
     (fetchurl {
-      url = http://www.ijg.org/files/jpegsrc.v9b.tar.gz;
+      url = "http://www.ijg.org/files/jpegsrc.v9b.tar.gz";
       sha256 = "0lnhpahgdwlrkd41lx6cr90r199f8mc6ydlh7jznj5klvacd63r4";
     })
     (fetchurl {
-      url = http://jpegclub.org/droppatch.v9b.tar.gz;
+      url = "http://jpegclub.org/droppatch.v9b.tar.gz";
       sha256 = "022bnvpird7w5pwbfqpq7j7pwja5kp6x9k3sdypcy3g2nwwy2wwk";
     })
   ];
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
   outputs = [ "bin" "dev" "out" "man" ];
 
   meta = {
-    homepage = http://jpegclub.org/jpegtran/;
+    homepage = "http://jpegclub.org/jpegtran/";
     description = "Experimental lossless crop 'n' drop (cut & paste) patches for libjpeg";
     license = stdenv.lib.licenses.free;
   };
diff --git a/pkgs/development/libraries/libjpeg-turbo/default.nix b/pkgs/development/libraries/libjpeg-turbo/default.nix
index f05ac6d521b..0f71d941d38 100644
--- a/pkgs/development/libraries/libjpeg-turbo/default.nix
+++ b/pkgs/development/libraries/libjpeg-turbo/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   installCheckTarget = "test";
 
   meta = with stdenv.lib; {
-    homepage = http://libjpeg-turbo.virtualgl.org/;
+    homepage = "http://libjpeg-turbo.virtualgl.org/";
     description = "A faster (using SIMD) libjpeg implementation";
     license = licenses.ijg; # and some parts under other BSD-style licenses
     maintainers = [ maintainers.vcunat ];
diff --git a/pkgs/development/libraries/libjpeg/default.nix b/pkgs/development/libraries/libjpeg/default.nix
index abd6c7bbf6c..05fbb7de701 100644
--- a/pkgs/development/libraries/libjpeg/default.nix
+++ b/pkgs/development/libraries/libjpeg/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libjpeg-9d";
 
   src = fetchurl {
-    url = http://www.ijg.org/files/jpegsrc.v9d.tar.gz;
+    url = "http://www.ijg.org/files/jpegsrc.v9d.tar.gz";
     sha256 = "0clwys9lcqlxqgcw8s1gwfm5ix2zjlqpklmd3mbvqmj5ibj51jwr";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   outputs = [ "bin" "dev" "out" "man" ];
 
   meta = {
-    homepage = http://www.ijg.org/;
+    homepage = "http://www.ijg.org/";
     description = "A library that implements the JPEG image file format";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libjreen/default.nix b/pkgs/development/libraries/libjreen/default.nix
index 9e81c932405..141598839b0 100644
--- a/pkgs/development/libraries/libjreen/default.nix
+++ b/pkgs/development/libraries/libjreen/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ Jabber library using Qt framework";
-    homepage = https://qutim.org/jreen/;
+    homepage = "https://qutim.org/jreen/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libjson-rpc-cpp/default.nix b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
index a7c9427080d..03d77c11bec 100644
--- a/pkgs/development/libraries/libjson-rpc-cpp/default.nix
+++ b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ framework for json-rpc (json remote procedure call)";
-    homepage = https://github.com/cinemast/libjson-rpc-cpp;
+    homepage = "https://github.com/cinemast/libjson-rpc-cpp";
     license = licenses.mit;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libjson/default.nix b/pkgs/development/libraries/libjson/default.nix
index b62f0f116a0..1d6fb1e7289 100644
--- a/pkgs/development/libraries/libjson/default.nix
+++ b/pkgs/development/libraries/libjson/default.nix
@@ -14,7 +14,7 @@ in stdenv.mkDerivation {
   preInstall = "mkdir -p $out/lib";
 
   meta = with stdenv.lib; {
-    homepage = http://libjson.sourceforge.net/;
+    homepage = "http://libjson.sourceforge.net/";
     description = "A JSON reader and writer";
     longDescription = ''
       A JSON reader and writer which is super-efficient and
diff --git a/pkgs/development/libraries/libkate/default.nix b/pkgs/development/libraries/libkate/default.nix
index 7eff302397a..a999f813fbb 100644
--- a/pkgs/development/libraries/libkate/default.nix
+++ b/pkgs/development/libraries/libkate/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
       bitstream format. Kate is a karaoke and text codec meant for encapsulation
       in an Ogg container. It can carry Unicode text, images, and animate
       them.'';
-    homepage = https://code.google.com/archive/p/libkate/;
+    homepage = "https://code.google.com/archive/p/libkate/";
     platforms = platforms.unix;
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/libraries/libkeyfinder/default.nix b/pkgs/development/libraries/libkeyfinder/default.nix
index 12205a6a63b..b6aa19c442a 100644
--- a/pkgs/development/libraries/libkeyfinder/default.nix
+++ b/pkgs/development/libraries/libkeyfinder/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Musical key detection for digital audio (C++ library)";
-    homepage = http://www.ibrahimshaath.co.uk/keyfinder/;
+    homepage = "http://www.ibrahimshaath.co.uk/keyfinder/";
     license = licenses.gpl3Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libkml/default.nix b/pkgs/development/libraries/libkml/default.nix
index eca412fda6c..d619101c233 100644
--- a/pkgs/development/libraries/libkml/default.nix
+++ b/pkgs/development/libraries/libkml/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Reference implementation of OGC KML 2.2";
-    homepage = https://github.com/libkml/libkml;
+    homepage = "https://github.com/libkml/libkml";
     license = licenses.bsd3;
     maintainers = with maintainers; [ costrouc ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libksba/default.nix b/pkgs/development/libraries/libksba/default.nix
index c83a3e40df2..2f0da5edf4e 100644
--- a/pkgs/development/libraries/libksba/default.nix
+++ b/pkgs/development/libraries/libksba/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnupg.org;
+    homepage = "https://www.gnupg.org";
     description = "CMS and X.509 access library";
     platforms = platforms.all;
     license = licenses.lgpl3;
diff --git a/pkgs/development/libraries/libksi/default.nix b/pkgs/development/libraries/libksi/default.nix
index f155c0d8506..2701cc51359 100644
--- a/pkgs/development/libraries/libksi/default.nix
+++ b/pkgs/development/libraries/libksi/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/GuardTime/libksi;
+    homepage = "https://github.com/GuardTime/libksi";
     description = "Keyless Signature Infrastructure API library";
     license = licenses.asl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libktorrent/default.nix b/pkgs/development/libraries/libktorrent/default.nix
index 04dabf14100..19c24ec3754 100644
--- a/pkgs/development/libraries/libktorrent/default.nix
+++ b/pkgs/development/libraries/libktorrent/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A BitTorrent library used by KTorrent";
-    homepage    = https://www.kde.org/applications/internet/ktorrent/;
+    homepage    = "https://www.kde.org/applications/internet/ktorrent/";
     maintainers = with maintainers; [ eelco ];
     platforms   = platforms.linux;
   };
diff --git a/pkgs/development/libraries/liblastfm/default.nix b/pkgs/development/libraries/liblastfm/default.nix
index ff1a39fc204..62409bb7f64 100644
--- a/pkgs/development/libraries/liblastfm/default.nix
+++ b/pkgs/development/libraries/liblastfm/default.nix
@@ -20,8 +20,8 @@ stdenv.mkDerivation rec {
   buildInputs = stdenv.lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.SystemConfiguration;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/lastfm/liblastfm;
-    repositories.git = git://github.com/lastfm/liblastfm.git;
+    homepage = "https://github.com/lastfm/liblastfm";
+    repositories.git = "git://github.com/lastfm/liblastfm.git";
     description = "Official LastFM library";
     inherit (qt4.meta) platforms;
     maintainers =  [ maintainers.phreedom ];
diff --git a/pkgs/development/libraries/liblastfmSF/default.nix b/pkgs/development/libraries/liblastfmSF/default.nix
index c51cb9baead..46152e79276 100644
--- a/pkgs/development/libraries/liblastfmSF/default.nix
+++ b/pkgs/development/libraries/liblastfmSF/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = http://liblastfm.sourceforge.net;
+    homepage = "http://liblastfm.sourceforge.net";
     description = "Unofficial C lastfm library";
     license = stdenv.lib.licenses.gpl3;
   };
diff --git a/pkgs/development/libraries/liblaxjson/default.nix b/pkgs/development/libraries/liblaxjson/default.nix
index f185a44380a..b932f9e928b 100644
--- a/pkgs/development/libraries/liblaxjson/default.nix
+++ b/pkgs/development/libraries/liblaxjson/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for parsing JSON config files";
-    homepage = https://github.com/andrewrk/liblaxjson;
+    homepage = "https://github.com/andrewrk/liblaxjson";
     license = licenses.mit;
     platforms = platforms.unix;
     maintainers = [ maintainers.andrewrk ];
diff --git a/pkgs/development/libraries/liblcf/default.nix b/pkgs/development/libraries/liblcf/default.nix
index fe513d378cd..25762573a1f 100644
--- a/pkgs/development/libraries/liblcf/default.nix
+++ b/pkgs/development/libraries/liblcf/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to handle RPG Maker 2000/2003 and EasyRPG projects";
-    homepage = https://github.com/EasyRPG/liblcf;
+    homepage = "https://github.com/EasyRPG/liblcf";
     license = licenses.mit;
     maintainers = with maintainers; [ yegortimoshenko ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/liblinear/default.nix b/pkgs/development/libraries/liblinear/default.nix
index a306eb2ed68..af09b1241de 100644
--- a/pkgs/development/libraries/liblinear/default.nix
+++ b/pkgs/development/libraries/liblinear/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for large linear classification";
-    homepage = https://www.csie.ntu.edu.tw/~cjlin/liblinear/;
+    homepage = "https://www.csie.ntu.edu.tw/~cjlin/liblinear/";
     license = licenses.bsd3;
     maintainers = [ maintainers.danieldk ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/liblockfile/default.nix b/pkgs/development/libraries/liblockfile/default.nix
index bfc9036abe3..6ed995572ef 100644
--- a/pkgs/development/libraries/liblockfile/default.nix
+++ b/pkgs/development/libraries/liblockfile/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Shared library with NFS-safe locking functions";
-    homepage = http://packages.debian.org/unstable/libs/liblockfile1;
+    homepage = "http://packages.debian.org/unstable/libs/liblockfile1";
     license = stdenv.lib.licenses.gpl2Plus;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
diff --git a/pkgs/development/libraries/liblogging/default.nix b/pkgs/development/libraries/liblogging/default.nix
index d0aaebadbaa..b9b787f4182 100644
--- a/pkgs/development/libraries/liblogging/default.nix
+++ b/pkgs/development/libraries/liblogging/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.liblogging.org/;
+    homepage = "http://www.liblogging.org/";
     description = "Lightweight signal-safe logging library";
     license = licenses.bsd2;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/liblognorm/default.nix b/pkgs/development/libraries/liblognorm/default.nix
index d77b452e3e9..bef1048dde4 100644
--- a/pkgs/development/libraries/liblognorm/default.nix
+++ b/pkgs/development/libraries/liblognorm/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--enable-regexp" ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.liblognorm.com/;
+    homepage = "https://www.liblognorm.com/";
     description = "Help to make sense out of syslog data, or, actually, any event data that is present in text form";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/liblqr-1/default.nix b/pkgs/development/libraries/liblqr-1/default.nix
index aa6922ea342..5f37989c20b 100644
--- a/pkgs/development/libraries/liblqr-1/default.nix
+++ b/pkgs/development/libraries/liblqr-1/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ glib ];
 
   meta = with stdenv.lib; {
-    homepage = http://liblqr.wikidot.com;
+    homepage = "http://liblqr.wikidot.com";
     description = "Seam-carving C/C++ library called Liquid Rescaling";
     platforms = platforms.all;
     license = with licenses; [ gpl3 lgpl3 ];
diff --git a/pkgs/development/libraries/liblscp/default.nix b/pkgs/development/libraries/liblscp/default.nix
index 471f277fb52..101e11deaa5 100644
--- a/pkgs/development/libraries/liblscp/default.nix
+++ b/pkgs/development/libraries/liblscp/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.linuxsampler.org;
+    homepage = "http://www.linuxsampler.org";
     description = "LinuxSampler Control Protocol (LSCP) wrapper library";
     license = licenses.gpl2;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/libltc/default.nix b/pkgs/development/libraries/libltc/default.nix
index d6918ef3044..4513396d7ea 100644
--- a/pkgs/development/libraries/libltc/default.nix
+++ b/pkgs/development/libraries/libltc/default.nix
@@ -4,12 +4,12 @@ stdenv.mkDerivation {
   name = "libltc-1.3.1";
 
   src = fetchurl {
-    url = https://github.com/x42/libltc/releases/download/v1.3.1/libltc-1.3.1.tar.gz;
+    url = "https://github.com/x42/libltc/releases/download/v1.3.1/libltc-1.3.1.tar.gz";
     sha256 = "173h9dgmain3nyrwk6q2d7yl4fnh4vacag4s2p01n5b7nyrkxrjh";
   };
 
   meta = with stdenv.lib; {
-    homepage = http://x42.github.io/libltc/;
+    homepage = "http://x42.github.io/libltc/";
     description = "POSIX-C Library for handling Linear/Logitudinal Time Code (LTC)";
     license = licenses.lgpl3Plus;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libmad/default.nix b/pkgs/development/libraries/libmad/default.nix
index 24de4aa2e4a..84800f309fb 100644
--- a/pkgs/development/libraries/libmad/default.nix
+++ b/pkgs/development/libraries/libmad/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
   preConfigure = "autoconf";
 
   meta = with stdenv.lib; {
-    homepage    = https://sourceforge.net/projects/mad/;
+    homepage    = "https://sourceforge.net/projects/mad/";
     description = "A high-quality, fixed-point MPEG audio decoder supporting MPEG-1 and MPEG-2";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/development/libraries/libmatchbox/default.nix b/pkgs/development/libraries/libmatchbox/default.nix
index 98875e48f57..49769359ed3 100644
--- a/pkgs/development/libraries/libmatchbox/default.nix
+++ b/pkgs/development/libraries/libmatchbox/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library of the matchbox X window manager";
-    homepage = http://matchbox-project.org/;
+    homepage = "http://matchbox-project.org/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libmatheval/default.nix b/pkgs/development/libraries/libmatheval/default.nix
index 7f5c8b4c4c2..a24b931c660 100644
--- a/pkgs/development/libraries/libmatheval/default.nix
+++ b/pkgs/development/libraries/libmatheval/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
       mathematical functions. In addition to parsing and evaluation, libmatheval can also compute
       symbolic derivatives and output expressions to strings.
     '';
-    homepage = https://www.gnu.org/software/libmatheval/;
+    homepage = "https://www.gnu.org/software/libmatheval/";
     license = stdenv.lib.licenses.gpl3;
     maintainers = [ stdenv.lib.maintainers.bzizou ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libmatroska/default.nix b/pkgs/development/libraries/libmatroska/default.nix
index b10a62fd389..2d56a6db766 100644
--- a/pkgs/development/libraries/libmatroska/default.nix
+++ b/pkgs/development/libraries/libmatroska/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to parse Matroska files";
-    homepage = https://matroska.org/;
+    homepage = "https://matroska.org/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ spwhitt ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libmaxminddb/default.nix b/pkgs/development/libraries/libmaxminddb/default.nix
index 5cf12ea46ba..493f1b5ce61 100644
--- a/pkgs/development/libraries/libmaxminddb/default.nix
+++ b/pkgs/development/libraries/libmaxminddb/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C library for working with MaxMind geolocation DB files";
-    homepage = https://github.com/maxmind/libmaxminddb;
+    homepage = "https://github.com/maxmind/libmaxminddb";
     license = licenses.asl20;
     platforms = platforms.all;
     maintainers = [ maintainers.vcunat ];
diff --git a/pkgs/development/libraries/libmbim/default.nix b/pkgs/development/libraries/libmbim/default.nix
index a0751e310d4..9e40133170a 100644
--- a/pkgs/development/libraries/libmbim/default.nix
+++ b/pkgs/development/libraries/libmbim/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.freedesktop.org/wiki/Software/libmbim/;
+    homepage = "https://www.freedesktop.org/wiki/Software/libmbim/";
     description = "Library for talking to WWAN modems and devices which speak the Mobile Interface Broadband Model (MBIM) protocol";
     platforms = platforms.linux;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/libmcrypt/default.nix b/pkgs/development/libraries/libmcrypt/default.nix
index 4a4074e2f22..a29fca45a99 100644
--- a/pkgs/development/libraries/libmcrypt/default.nix
+++ b/pkgs/development/libraries/libmcrypt/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libmcrypt-2.5.8";
   
   src = fetchurl {
-    url = mirror://sourceforge/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz;
+    url = "mirror://sourceforge/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz";
     sha256 = "0gipgb939vy9m66d3k8il98rvvwczyaw2ixr8yn6icds9c3nrsz4";
   };
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Replacement for the old crypt() package and crypt(1) command, with extensions";
-    homepage = http://mcrypt.sourceforge.net;
+    homepage = "http://mcrypt.sourceforge.net";
     license = "GPL";
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/libmemcached/default.nix b/pkgs/development/libraries/libmemcached/default.nix
index 5655bfe968b..8cbb76377fb 100644
--- a/pkgs/development/libraries/libmemcached/default.nix
+++ b/pkgs/development/libraries/libmemcached/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libmemcached-1.0.18";
 
   src = fetchurl {
-    url = https://launchpad.net/libmemcached/1.0/1.0.18/+download/libmemcached-1.0.18.tar.gz;
+    url = "https://launchpad.net/libmemcached/1.0/1.0.18/+download/libmemcached-1.0.18.tar.gz";
     sha256 = "10jzi14j32lpq0if0p9vygcl2c1352hwbywzvr9qzq7x6aq0nb72";
   };
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = "-fpermissive";
 
   meta = with stdenv.lib; {
-    homepage = https://libmemcached.org;
+    homepage = "https://libmemcached.org";
     description = "Open source C/C++ client library and tools for the memcached server";
     license = licenses.bsd3;
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/libmesode/default.nix b/pkgs/development/libraries/libmesode/default.nix
index de09d142d48..e8fab86f8fc 100644
--- a/pkgs/development/libraries/libmesode/default.nix
+++ b/pkgs/development/libraries/libmesode/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
       Whilst Profanity will run against libstrophe, libmesode provides extra
       TLS functionality such as manual SSL certificate verification.
     '';
-    homepage = https://github.com/boothj5/libmesode/;
+    homepage = "https://github.com/boothj5/libmesode/";
     license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.devhell ];
diff --git a/pkgs/development/libraries/libmhash/default.nix b/pkgs/development/libraries/libmhash/default.nix
index 598f0b7f789..2a61c571066 100644
--- a/pkgs/development/libraries/libmhash/default.nix
+++ b/pkgs/development/libraries/libmhash/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       following rfc2104 (HMAC). It also includes some key generation algorithms
       which are based on hash algorithms.
     '';
-    homepage = http://mhash.sourceforge.net;
+    homepage = "http://mhash.sourceforge.net";
     license = "LGPL";
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libmicrodns/default.nix b/pkgs/development/libraries/libmicrodns/default.nix
index 41d81f1f176..51bd69c0edd 100644
--- a/pkgs/development/libraries/libmicrodns/default.nix
+++ b/pkgs/development/libraries/libmicrodns/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Minimal mDNS resolver library, used by VLC";
-    homepage = https://github.com/videolabs/libmicrodns;
+    homepage = "https://github.com/videolabs/libmicrodns";
     license = licenses.lgpl21;
     platforms = platforms.linux;
     maintainers = [ maintainers.shazow ];
diff --git a/pkgs/development/libraries/libmicrohttpd/default.nix b/pkgs/development/libraries/libmicrohttpd/default.nix
index e3bce805d29..c160b678be7 100644
--- a/pkgs/development/libraries/libmicrohttpd/default.nix
+++ b/pkgs/development/libraries/libmicrohttpd/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
     license = licenses.lgpl2Plus;
 
-    homepage = https://www.gnu.org/software/libmicrohttpd/;
+    homepage = "https://www.gnu.org/software/libmicrohttpd/";
 
     maintainers = with maintainers; [ eelco vrthra fpletz ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libmikmod/default.nix b/pkgs/development/libraries/libmikmod/default.nix
index 284d415454d..59967bcba5a 100644
--- a/pkgs/development/libraries/libmikmod/default.nix
+++ b/pkgs/development/libraries/libmikmod/default.nix
@@ -20,7 +20,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for playing tracker music module files";
-    homepage    = https://mikmod.shlomifish.org/;
+    homepage    = "https://mikmod.shlomifish.org/";
     license     = licenses.lgpl2Plus;
     maintainers = with maintainers; [ astsmtl lovek323 ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/libmkv/default.nix b/pkgs/development/libraries/libmkv/default.nix
index 8b659c46792..190c573577a 100644
--- a/pkgs/development/libraries/libmkv/default.nix
+++ b/pkgs/development/libraries/libmkv/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.6.5.1";
 
   src = fetchgit {
-    url = https://github.com/saintdev/libmkv.git;
+    url = "https://github.com/saintdev/libmkv.git";
     rev = "refs/tags/${version}";
     sha256 = "0pr9q7yprndl8d15ir7i7cznvmf1yqpvnsyivv763n6wryssq6dl";
   };
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       Library was meant to be an alternative to the official libmatroska library.
       It is written in plain C, and intended to be very portable.
     '';
-    homepage = https://github.com/saintdev/libmkv;
+    homepage = "https://github.com/saintdev/libmkv";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.wmertens ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libmms/default.nix b/pkgs/development/libraries/libmms/default.nix
index 7f73fb09cd1..3753101ebf9 100644
--- a/pkgs/development/libraries/libmms/default.nix
+++ b/pkgs/development/libraries/libmms/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for downloading (streaming) media files using the mmst and mmsh protocols";
-    homepage = http://libmms.sourceforge.net;
+    homepage = "http://libmms.sourceforge.net";
     platforms = platforms.all;
     license = licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/libmng/default.nix b/pkgs/development/libraries/libmng/default.nix
index 749a5d60e46..e13bda56793 100644
--- a/pkgs/development/libraries/libmng/default.nix
+++ b/pkgs/development/libraries/libmng/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Reference library for reading, displaying, writing and examining Multiple-Image Network Graphics";
-    homepage = http://www.libmng.com;
+    homepage = "http://www.libmng.com";
     license = licenses.zlib;
     maintainers = with maintainers; [ marcweber ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libmnl/default.nix b/pkgs/development/libraries/libmnl/default.nix
index 7c4b451ae6d..3db6ab0da08 100644
--- a/pkgs/development/libraries/libmnl/default.nix
+++ b/pkgs/development/libraries/libmnl/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
       This library aims to provide simple helpers that allows you to re-use code and to avoid
       re-inventing the wheel.
     '';
-    homepage = https://netfilter.org/projects/libmnl/index.html;
+    homepage = "https://netfilter.org/projects/libmnl/index.html";
     license = stdenv.lib.licenses.lgpl21Plus;
 
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libmodbus/default.nix b/pkgs/development/libraries/libmodbus/default.nix
index e18de4127a4..14f80e9b2e5 100644
--- a/pkgs/development/libraries/libmodbus/default.nix
+++ b/pkgs/development/libraries/libmodbus/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to send/receive data according to the Modbus protocol";
-    homepage = https://libmodbus.org/;
+    homepage = "https://libmodbus.org/";
     license = licenses.lgpl21Plus;
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libmodule/default.nix b/pkgs/development/libraries/libmodule/default.nix
index 26b81d4d412..d608a08d2d9 100644
--- a/pkgs/development/libraries/libmodule/default.nix
+++ b/pkgs/development/libraries/libmodule/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C simple and elegant implementation of an actor library";
-    homepage = https://github.com/FedeDP/libmodule;
+    homepage = "https://github.com/FedeDP/libmodule";
     platforms = platforms.linux;
     license = licenses.mit;
     maintainers = with maintainers; [
diff --git a/pkgs/development/libraries/libmongo-client/default.nix b/pkgs/development/libraries/libmongo-client/default.nix
index 30cb8c9df2f..b3231d1af91 100644
--- a/pkgs/development/libraries/libmongo-client/default.nix
+++ b/pkgs/development/libraries/libmongo-client/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://algernon.github.io/libmongo-client/;
+    homepage = "http://algernon.github.io/libmongo-client/";
     description = "An alternative C driver for MongoDB";
     license = licenses.asl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libmowgli/default.nix b/pkgs/development/libraries/libmowgli/default.nix
index 99f04bc09de..ae3a9efef24 100644
--- a/pkgs/development/libraries/libmowgli/default.nix
+++ b/pkgs/development/libraries/libmowgli/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A development framework for C providing high performance and highly flexible algorithms";
-    homepage = https://github.com/atheme/libmowgli-2;
+    homepage = "https://github.com/atheme/libmowgli-2";
     license = licenses.isc;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libmp3splt/default.nix b/pkgs/development/libraries/libmp3splt/default.nix
index 52072000115..237e3f94cfc 100644
--- a/pkgs/development/libraries/libmp3splt/default.nix
+++ b/pkgs/development/libraries/libmp3splt/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--disable-pcre" ];
 
   meta = with stdenv.lib; {
-    homepage    = https://sourceforge.net/projects/mp3splt/;
+    homepage    = "https://sourceforge.net/projects/mp3splt/";
     description = "Utility to split mp3, ogg vorbis and FLAC files without decoding";
     maintainers = with maintainers; [ bosu ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/libmpack/default.nix b/pkgs/development/libraries/libmpack/default.nix
index e8392f88ac7..cdc45956e7a 100644
--- a/pkgs/development/libraries/libmpack/default.nix
+++ b/pkgs/development/libraries/libmpack/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Simple implementation of msgpack in C";
-    homepage = https://github.com/tarruda/libmpack/;
+    homepage = "https://github.com/tarruda/libmpack/";
     license = licenses.mit;
     maintainers = with maintainers; [ lovek323 ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/libmpc/default.nix b/pkgs/development/libraries/libmpc/default.nix
index 9ffbc95b1fd..235474c0ca1 100644
--- a/pkgs/development/libraries/libmpc/default.nix
+++ b/pkgs/development/libraries/libmpc/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
          built upon and follows the same principles as GNU MPFR.
       '';
 
-    homepage = http://mpc.multiprecision.org/;
+    homepage = "http://mpc.multiprecision.org/";
     license = stdenv.lib.licenses.lgpl2Plus;
 
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/libmpcdec/default.nix b/pkgs/development/libraries/libmpcdec/default.nix
index a5a4d68ad96..3ee37e6ae9c 100644
--- a/pkgs/development/libraries/libmpcdec/default.nix
+++ b/pkgs/development/libraries/libmpcdec/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libmpcdec-1.2.6";
 
   src = fetchurl {
-    url = https://files.musepack.net/source/libmpcdec-1.2.6.tar.bz2;
+    url = "https://files.musepack.net/source/libmpcdec-1.2.6.tar.bz2";
     sha256 = "1a0jdyga1zfi4wgkg3905y6inghy3s4xfs5m4x7pal08m0llkmab";
   };
 
diff --git a/pkgs/development/libraries/libmpeg2/default.nix b/pkgs/development/libraries/libmpeg2/default.nix
index 2351ce2b554..d6fb28c0e88 100644
--- a/pkgs/development/libraries/libmpeg2/default.nix
+++ b/pkgs/development/libraries/libmpeg2/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildFlags = stdenv.lib.optional stdenv.isDarwin "CFLAGS=-std=gnu89";
 
   meta = {
-    homepage = http://libmpeg2.sourceforge.net/;
+    homepage = "http://libmpeg2.sourceforge.net/";
     description = "A free library for decoding mpeg-2 and mpeg-1 video streams";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/libmrss/default.nix b/pkgs/development/libraries/libmrss/default.nix
index f1a061e5ab5..aa70e4c4ddf 100644
--- a/pkgs/development/libraries/libmrss/default.nix
+++ b/pkgs/development/libraries/libmrss/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   propagatedBuildInputs = [ curl libnxml ];
 
   meta = {
-    homepage = http://www.autistici.org/bakunin/libmrss/doc;
+    homepage = "http://www.autistici.org/bakunin/libmrss/doc";
     description = "C library for parsing, writing and creating RSS/ATOM files or streams";
     license = stdenv.lib.licenses.lgpl2;
 
diff --git a/pkgs/development/libraries/libmspack/default.nix b/pkgs/development/libraries/libmspack/default.nix
index 2cb4cd3cd9b..70fdd7e913e 100644
--- a/pkgs/development/libraries/libmspack/default.nix
+++ b/pkgs/development/libraries/libmspack/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A de/compression library for various Microsoft formats";
-    homepage = https://www.cabextract.org.uk/libmspack;
+    homepage = "https://www.cabextract.org.uk/libmspack";
     license = stdenv.lib.licenses.lgpl2;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libmtp/default.nix b/pkgs/development/libraries/libmtp/default.nix
index c8c34eb1c9c..21bde84181b 100644
--- a/pkgs/development/libraries/libmtp/default.nix
+++ b/pkgs/development/libraries/libmtp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-udev=$$bin/lib/udev" ];
 
   meta = with stdenv.lib; {
-    homepage = http://libmtp.sourceforge.net;
+    homepage = "http://libmtp.sourceforge.net";
     description = "An implementation of Microsoft's Media Transfer Protocol";
     longDescription = ''
       libmtp is an implementation of Microsoft's Media Transfer Protocol (MTP)
diff --git a/pkgs/development/libraries/libmusicbrainz/5.x.nix b/pkgs/development/libraries/libmusicbrainz/5.x.nix
index 05532df1abd..2fdcdc7d86d 100644
--- a/pkgs/development/libraries/libmusicbrainz/5.x.nix
+++ b/pkgs/development/libraries/libmusicbrainz/5.x.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   dontUseCmakeBuildDir=true;
 
   meta = with stdenv.lib; {
-    homepage = http://musicbrainz.org/doc/libmusicbrainz;
+    homepage = "http://musicbrainz.org/doc/libmusicbrainz";
     description = "MusicBrainz Client Library (5.x version)";
     longDescription = ''
       The libmusicbrainz (also known as mb_client or MusicBrainz Client
diff --git a/pkgs/development/libraries/libmusicbrainz/default.nix b/pkgs/development/libraries/libmusicbrainz/default.nix
index 5335b6577f0..0db539a23af 100644
--- a/pkgs/development/libraries/libmusicbrainz/default.nix
+++ b/pkgs/development/libraries/libmusicbrainz/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://musicbrainz.org/doc/libmusicbrainz;
+    homepage = "http://musicbrainz.org/doc/libmusicbrainz";
     description = "MusicBrainz Client Library (3.x version)";
     longDescription = ''
       The libmusicbrainz (also known as mb_client or MusicBrainz Client
diff --git a/pkgs/development/libraries/libmx/default.nix b/pkgs/development/libraries/libmx/default.nix
index 483c5ff1ff7..623c872fa1a 100644
--- a/pkgs/development/libraries/libmx/default.nix
+++ b/pkgs/development/libraries/libmx/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.clutter-project.org/;
+    homepage = "http://www.clutter-project.org/";
     description = "A Clutter-based toolkit";
     longDescription =
       ''Mx is a widget toolkit using Clutter that provides a set of standard
diff --git a/pkgs/development/libraries/libnatpmp/default.nix b/pkgs/development/libraries/libnatpmp/default.nix
index 695d46ba38f..a2aae126359 100644
--- a/pkgs/development/libraries/libnatpmp/default.nix
+++ b/pkgs/development/libraries/libnatpmp/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "INSTALLPREFIX=$(out)" ];
 
   meta = with stdenv.lib; {
-    homepage = http://miniupnp.free.fr/libnatpmp.html;
+    homepage = "http://miniupnp.free.fr/libnatpmp.html";
     description = "NAT-PMP client";
     license = licenses.bsd3;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/libnatspec/default.nix b/pkgs/development/libraries/libnatspec/default.nix
index db4f6f5d468..8ac2859faed 100644
--- a/pkgs/development/libraries/libnatspec/default.nix
+++ b/pkgs/development/libraries/libnatspec/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation (rec {
   buildInputs = [ popt ];
 
   meta = with stdenv.lib; {
-    homepage = http://natspec.sourceforge.net/ ;
+    homepage = "http://natspec.sourceforge.net/";
     description = "A library intended to smooth national specificities in using of programs";
     platforms = platforms.unix;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/libndctl/default.nix b/pkgs/development/libraries/libndctl/default.nix
index 613103db69f..d4469d79f56 100644
--- a/pkgs/development/libraries/libndctl/default.nix
+++ b/pkgs/development/libraries/libndctl/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Tools for managing the Linux Non-Volatile Memory Device sub-system";
-    homepage    = https://github.com/pmem/ndctl;
+    homepage    = "https://github.com/pmem/ndctl";
     license     = licenses.lgpl21;
     maintainers = with maintainers; [ thoughtpolice ];
     platforms   = platforms.linux;
diff --git a/pkgs/development/libraries/libndp/default.nix b/pkgs/development/libraries/libndp/default.nix
index 78304246f12..2592b7184f8 100644
--- a/pkgs/development/libraries/libndp/default.nix
+++ b/pkgs/development/libraries/libndp/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://libndp.org/;
+    homepage = "http://libndp.org/";
     description = "Library for Neighbor Discovery Protocol";
     platforms = platforms.linux;
     maintainers = [ maintainers.lethalman ];
diff --git a/pkgs/development/libraries/libndtypes/default.nix b/pkgs/development/libraries/libndtypes/default.nix
index a522c72fc76..ffb2f56d67e 100644
--- a/pkgs/development/libraries/libndtypes/default.nix
+++ b/pkgs/development/libraries/libndtypes/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Dynamic types for data description and in-memory computations";
-    homepage = https://xnd.io/;
+    homepage = "https://xnd.io/";
     license = licenses.bsdOriginal;
     maintainers = [ maintainers.costrouc ];
   };
diff --git a/pkgs/development/libraries/libnet/default.nix b/pkgs/development/libraries/libnet/default.nix
index 75cea004143..7987fccc06f 100644
--- a/pkgs/development/libraries/libnet/default.nix
+++ b/pkgs/development/libraries/libnet/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [ ./fix-includes.patch ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/sam-github/libnet;
+    homepage = "https://github.com/sam-github/libnet";
     description = "Portable framework for low-level network packet construction";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libnetfilter_acct/default.nix b/pkgs/development/libraries/libnetfilter_acct/default.nix
index 328688612b6..d33782ad7e5 100644
--- a/pkgs/development/libraries/libnetfilter_acct/default.nix
+++ b/pkgs/development/libraries/libnetfilter_acct/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libmnl ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.netfilter.org/projects/libnetfilter_acct/;
+    homepage = "http://www.netfilter.org/projects/libnetfilter_acct/";
     description = "Userspace library providing interface to extended accounting infrastructure.";
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libnetfilter_conntrack/default.nix b/pkgs/development/libraries/libnetfilter_conntrack/default.nix
index 85fbf458ac2..c93400e474a 100644
--- a/pkgs/development/libraries/libnetfilter_conntrack/default.nix
+++ b/pkgs/development/libraries/libnetfilter_conntrack/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       previously known as libnfnetlink_conntrack and libctnetlink. This library is currently used
       by conntrack-tools among many other applications
     '';
-    homepage = https://netfilter.org/projects/libnetfilter_conntrack/;
+    homepage = "https://netfilter.org/projects/libnetfilter_conntrack/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libnetfilter_cthelper/default.nix b/pkgs/development/libraries/libnetfilter_cthelper/default.nix
index 563843cca46..ca167198989 100644
--- a/pkgs/development/libraries/libnetfilter_cthelper/default.nix
+++ b/pkgs/development/libraries/libnetfilter_cthelper/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       library, you register, configure, enable and disable user-space helpers. This library
       is used by conntrack-tools.
     '';
-    homepage = http://www.netfilter.org/projects/libnetfilter_cthelper/;
+    homepage = "http://www.netfilter.org/projects/libnetfilter_cthelper/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libnetfilter_cttimeout/default.nix b/pkgs/development/libraries/libnetfilter_cttimeout/default.nix
index 9f706d619c3..64bcc08ffb9 100644
--- a/pkgs/development/libraries/libnetfilter_cttimeout/default.nix
+++ b/pkgs/development/libraries/libnetfilter_cttimeout/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       With this library, you can create, update and delete timeout policies that can
       be attached to traffic flows. This library is used by conntrack-tools.
     '';
-    homepage = https://netfilter.org/projects/libnetfilter_cttimeout/;
+    homepage = "https://netfilter.org/projects/libnetfilter_cttimeout/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libnetfilter_log/default.nix b/pkgs/development/libraries/libnetfilter_log/default.nix
index 2b932bc0809..18346814750 100644
--- a/pkgs/development/libraries/libnetfilter_log/default.nix
+++ b/pkgs/development/libraries/libnetfilter_log/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       system that deprecates the old syslog/dmesg based packet logging. This
       library has been previously known as libnfnetlink_log.
     '';
-    homepage = https://netfilter.org/projects/libnetfilter_log/;
+    homepage = "https://netfilter.org/projects/libnetfilter_log/";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/libnetfilter_queue/default.nix b/pkgs/development/libraries/libnetfilter_queue/default.nix
index 5f84bc03f82..556db28f856 100644
--- a/pkgs/development/libraries/libnetfilter_queue/default.nix
+++ b/pkgs/development/libraries/libnetfilter_queue/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libmnl libnfnetlink ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.netfilter.org/projects/libnetfilter_queue/;
+    homepage = "http://www.netfilter.org/projects/libnetfilter_queue/";
     description = "Userspace API to packets queued by the kernel packet filter";
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libnfc/default.nix b/pkgs/development/libraries/libnfc/default.nix
index 3d069d7a168..c3661a233af 100644
--- a/pkgs/development/libraries/libnfc/default.nix
+++ b/pkgs/development/libraries/libnfc/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Open source library libnfc for Near Field Communication";
     license = licenses.gpl3;
-    homepage = https://github.com/nfc-tools/libnfc;
+    homepage = "https://github.com/nfc-tools/libnfc";
     maintainers = with maintainers; [offline];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libnfnetlink/default.nix b/pkgs/development/libraries/libnfnetlink/default.nix
index fa6461d8691..ecce38ac23e 100644
--- a/pkgs/development/libraries/libnfnetlink/default.nix
+++ b/pkgs/development/libraries/libnfnetlink/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
       This library is not meant as a public API for application developers.
       It is only used by other netfilter.org projects, like the aforementioned ones.
     '';
-    homepage = http://www.netfilter.org/projects/libnfnetlink/index.html;
+    homepage = "http://www.netfilter.org/projects/libnfnetlink/index.html";
     license = stdenv.lib.licenses.gpl2;
 
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libnfs/default.nix b/pkgs/development/libraries/libnfs/default.nix
index d2848d9a1e9..03a4dbe02d5 100644
--- a/pkgs/development/libraries/libnfs/default.nix
+++ b/pkgs/development/libraries/libnfs/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "NFS client library";
-    homepage    = https://github.com/sahlberg/libnfs;
+    homepage    = "https://github.com/sahlberg/libnfs";
     license     = with licenses; [ lgpl2 bsd2 gpl3 ];
     maintainers = with maintainers; [ peterhoeg ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/libnftnl/default.nix b/pkgs/development/libraries/libnftnl/default.nix
index a4f98eed417..4aac04a4d02 100644
--- a/pkgs/development/libraries/libnftnl/default.nix
+++ b/pkgs/development/libraries/libnftnl/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A userspace library providing a low-level netlink API to the in-kernel nf_tables subsystem";
-    homepage = http://netfilter.org/projects/libnftnl;
+    homepage = "http://netfilter.org/projects/libnftnl";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
     maintainers = with maintainers; [ fpletz ];
diff --git a/pkgs/development/libraries/libngspice/default.nix b/pkgs/development/libraries/libngspice/default.nix
index ffecfcb61d0..3f5ba26d5a4 100644
--- a/pkgs/development/libraries/libngspice/default.nix
+++ b/pkgs/development/libraries/libngspice/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The Next Generation Spice (Electronic Circuit Simulator)";
-    homepage = http://ngspice.sourceforge.net;
+    homepage = "http://ngspice.sourceforge.net";
     license = with licenses; [ bsd3 gpl2Plus lgpl2Plus ]; # See https://sourceforge.net/p/ngspice/ngspice/ci/master/tree/COPYING
     maintainers = with maintainers; [ bgamari ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libnice/default.nix b/pkgs/development/libraries/libnice/default.nix
index 90bdb06bb7f..d2333ac0ca5 100644
--- a/pkgs/development/libraries/libnice/default.nix
+++ b/pkgs/development/libraries/libnice/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     # Note: upstream is not willing to merge our fix
     # https://gitlab.freedesktop.org/libnice/libnice/merge_requests/35#note_98871
     (fetchpatch {
-      url = https://gitlab.freedesktop.org/libnice/libnice/commit/d470c4bf4f2449f7842df26ca1ce1efb63452bc6.patch;
+      url = "https://gitlab.freedesktop.org/libnice/libnice/commit/d470c4bf4f2449f7842df26ca1ce1efb63452bc6.patch";
       sha256 = "0z74vizf92flfw1m83p7yz824vfykmnm0xbnk748bnnyq186i6mg";
     })
   ];
diff --git a/pkgs/development/libraries/libnih/default.nix b/pkgs/development/libraries/libnih/default.nix
index 4049a18145c..0c38a9c17d7 100644
--- a/pkgs/development/libraries/libnih/default.nix
+++ b/pkgs/development/libraries/libnih/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A small library for C application development";
-    homepage = https://launchpad.net/libnih;
+    homepage = "https://launchpad.net/libnih";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libnotify/default.nix b/pkgs/development/libraries/libnotify/default.nix
index aacadc5ea0a..9bf786c5092 100644
--- a/pkgs/development/libraries/libnotify/default.nix
+++ b/pkgs/development/libraries/libnotify/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://developer.gnome.org/notification-spec/;
+    homepage = "https://developer.gnome.org/notification-spec/";
     description = "A library that sends desktop notifications to a notification daemon";
     platforms = platforms.unix;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/libnova/default.nix b/pkgs/development/libraries/libnova/default.nix
index cb70d803ac0..413e404ce1d 100644
--- a/pkgs/development/libraries/libnova/default.nix
+++ b/pkgs/development/libraries/libnova/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Celestial Mechanics, Astrometry and Astrodynamics Library";
-    homepage = http://libnova.sf.net;
+    homepage = "http://libnova.sf.net";
     platforms = platforms.unix;
     license = licenses.gpl2;
   };
diff --git a/pkgs/development/libraries/libnsl/default.nix b/pkgs/development/libraries/libnsl/default.nix
index 79006484743..1e925eb7b47 100644
--- a/pkgs/development/libraries/libnsl/default.nix
+++ b/pkgs/development/libraries/libnsl/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Client interface library for NIS(YP) and NIS+";
-    homepage = https://github.com/thkukuk/libnsl;
+    homepage = "https://github.com/thkukuk/libnsl";
     license = licenses.lgpl21;
     maintainers = [ maintainers.dezgeg ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libnxml/default.nix b/pkgs/development/libraries/libnxml/default.nix
index 0a6c58c8a01..dc5e8dfc55e 100644
--- a/pkgs/development/libraries/libnxml/default.nix
+++ b/pkgs/development/libraries/libnxml/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [ curl ];
 
   meta = {
-    homepage = https://www.autistici.org/bakunin/libnxml/;
+    homepage = "https://www.autistici.org/bakunin/libnxml/";
     description = "C library for parsing, writing and creating XML 1.0 and 1.1 files or streams";
     license = stdenv.lib.licenses.lgpl2;
 
diff --git a/pkgs/development/libraries/liboauth/default.nix b/pkgs/development/libraries/liboauth/default.nix
index 46e3e65ff80..c816bdc90e5 100644
--- a/pkgs/development/libraries/liboauth/default.nix
+++ b/pkgs/development/libraries/liboauth/default.nix
@@ -25,8 +25,8 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     platforms = platforms.linux;
     description = "C library implementing the OAuth secure authentication protocol";
-    homepage = http://liboauth.sourceforge.net/;
-    repositories.git = https://github.com/x42/liboauth.git;
+    homepage = "http://liboauth.sourceforge.net/";
+    repositories.git = "https://github.com/x42/liboauth.git";
     license = licenses.mit;
   };
 
diff --git a/pkgs/development/libraries/libofa/default.nix b/pkgs/development/libraries/libofa/default.nix
index 7dc23aa1e8a..c2402338034 100644
--- a/pkgs/development/libraries/libofa/default.nix
+++ b/pkgs/development/libraries/libofa/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ expat curl fftw ];
 
   meta = with stdenv.lib; {
-    homepage = https://code.google.com/archive/p/musicip-libofa/;
+    homepage = "https://code.google.com/archive/p/musicip-libofa/";
     description = "Library Open Fingerprint Architecture";
     longDescription = ''
       LibOFA (Library Open Fingerprint Architecture) is an open-source audio
diff --git a/pkgs/development/libraries/libofx/default.nix b/pkgs/development/libraries/libofx/default.nix
index 76276f0ce0f..692bddeab7d 100644
--- a/pkgs/development/libraries/libofx/default.nix
+++ b/pkgs/development/libraries/libofx/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = { 
     description = "Opensource implementation of the Open Financial eXchange specification";
-    homepage = http://libofx.sourceforge.net/;
+    homepage = "http://libofx.sourceforge.net/";
     license = "LGPL";
     platforms = stdenv.lib.platforms.unix;
     maintainers = [ ];
diff --git a/pkgs/development/libraries/libogg/default.nix b/pkgs/development/libraries/libogg/default.nix
index 4f7c5f38123..50950a15a87 100644
--- a/pkgs/development/libraries/libogg/default.nix
+++ b/pkgs/development/libraries/libogg/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       Ogg is flexible file storage and streaming format that supports
       plethora of codecs. Open format free for anyone to use.
     '';
-    homepage = https://xiph.org/ogg/;
+    homepage = "https://xiph.org/ogg/";
     license = licenses.bsd3;
     maintainers = [ maintainers.ehmry ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/liboggz/default.nix b/pkgs/development/libraries/liboggz/default.nix
index d7c3b747924..07613f0564b 100644
--- a/pkgs/development/libraries/liboggz/default.nix
+++ b/pkgs/development/libraries/liboggz/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
 
   meta = with stdenv.lib; {
-    homepage = https://xiph.org/oggz/;
+    homepage = "https://xiph.org/oggz/";
     description = "A C library and tools for manipulating with Ogg files and streams";
     longDescription = ''
       Oggz comprises liboggz and the tool oggz, which provides commands to
diff --git a/pkgs/development/libraries/liboil/default.nix b/pkgs/development/libraries/liboil/default.nix
index fb2dad60525..22adceccecf 100644
--- a/pkgs/development/libraries/liboil/default.nix
+++ b/pkgs/development/libraries/liboil/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library of simple functions that are optimized for various CPUs";
-    homepage    = https://liboil.freedesktop.org;
+    homepage    = "https://liboil.freedesktop.org";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/libomxil-bellagio/default.nix b/pkgs/development/libraries/libomxil-bellagio/default.nix
index 4d45c6872e4..5f583d53abf 100644
--- a/pkgs/development/libraries/libomxil-bellagio/default.nix
+++ b/pkgs/development/libraries/libomxil-bellagio/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-Wno-error=array-bounds";
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/projects/omxil/;
+    homepage = "https://sourceforge.net/projects/omxil/";
     description = "An opensource implementation of the Khronos OpenMAX Integration Layer API to access multimedia components";
     license = licenses.lgpl21;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/liboop/default.nix b/pkgs/development/libraries/liboop/default.nix
index 73d51ec49ff..6438fd5eb32 100644
--- a/pkgs/development/libraries/liboop/default.nix
+++ b/pkgs/development/libraries/liboop/default.nix
@@ -4,13 +4,13 @@ stdenv.mkDerivation {
   name = "liboop-1.0";
   
   src = fetchurl {
-    url = http://download.ofb.net/liboop/liboop.tar.gz;
+    url = "http://download.ofb.net/liboop/liboop.tar.gz";
     sha256 = "34d83c6e0f09ee15cb2bc3131e219747c3b612bb57cf7d25318ab90da9a2d97c";
   };
 
   meta = {
     description = "Event loop library";
-    homepage = http://liboop.ofb.net/;
+    homepage = "http://liboop.ofb.net/";
     license = "LGPL";
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libopcodes/default.nix b/pkgs/development/libraries/libopcodes/default.nix
index aa307f68ca0..8db034683dc 100644
--- a/pkgs/development/libraries/libopcodes/default.nix
+++ b/pkgs/development/libraries/libopcodes/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A library from binutils for manipulating machine code";
-    homepage = https://www.gnu.org/software/binutils/;
+    homepage = "https://www.gnu.org/software/binutils/";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ ericson2314 ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libopenaptx/default.nix b/pkgs/development/libraries/libopenaptx/default.nix
index 4ad1e2b7735..d9ccf77ea92 100644
--- a/pkgs/development/libraries/libopenaptx/default.nix
+++ b/pkgs/development/libraries/libopenaptx/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Audio Processing Technology codec (aptX)";
     license = licenses.lgpl21Plus;
-    homepage = https://github.com/pali/libopenaptx;
+    homepage = "https://github.com/pali/libopenaptx";
     platforms = platforms.linux;
     maintainers = with maintainers; [ orivej ];
   };
diff --git a/pkgs/development/libraries/liboping/default.nix b/pkgs/development/libraries/liboping/default.nix
index b2594d7c1d7..1b2d83b84d0 100644
--- a/pkgs/development/libraries/liboping/default.nix
+++ b/pkgs/development/libraries/liboping/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
       Included is a sample application, called oping, which demonstrates the
       library's abilities.
     '';
-    homepage = http://noping.cc/;
+    homepage = "http://noping.cc/";
     license = licenses.lgpl21;
     platforms = platforms.unix;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libopus/default.nix b/pkgs/development/libraries/libopus/default.nix
index 01da76749ba..27e9a89fcef 100644
--- a/pkgs/development/libraries/libopus/default.nix
+++ b/pkgs/development/libraries/libopus/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Open, royalty-free, highly versatile audio codec";
     license = stdenv.lib.licenses.bsd3;
-    homepage = http://www.opus-codec.org/;
+    homepage = "http://www.opus-codec.org/";
     platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/libopusenc/default.nix b/pkgs/development/libraries/libopusenc/default.nix
index 9b91e32f228..f26349bd488 100644
--- a/pkgs/development/libraries/libopusenc/default.nix
+++ b/pkgs/development/libraries/libopusenc/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Library for encoding .opus audio files and live streams";
     license = licenses.bsd3;
-    homepage = http://www.opus-codec.org/;
+    homepage = "http://www.opus-codec.org/";
     platforms = platforms.unix;
     maintainers = with maintainers; [ pmiddend ];
   };
diff --git a/pkgs/development/libraries/libosinfo/default.nix b/pkgs/development/libraries/libosinfo/default.nix
index 859f39239f3..79bd53ab03b 100644
--- a/pkgs/development/libraries/libosinfo/default.nix
+++ b/pkgs/development/libraries/libosinfo/default.nix
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GObject based library API for managing information about operating systems, hypervisors and the (virtual) hardware devices they can support";
-    homepage = https://libosinfo.org/;
+    homepage = "https://libosinfo.org/";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libosmpbf/default.nix b/pkgs/development/libraries/libosmpbf/default.nix
index 416101cad0a..d1f6ea5c2ea 100644
--- a/pkgs/development/libraries/libosmpbf/default.nix
+++ b/pkgs/development/libraries/libosmpbf/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   installFlags = [ "PREFIX=$(out)" ];
 
   meta = {
-    homepage = https://github.com/scrosby/OSM-binary;
+    homepage = "https://github.com/scrosby/OSM-binary";
     description = "C library to read and write OpenStreetMap PBF files";
     license = stdenv.lib.licenses.lgpl3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libossp-uuid/default.nix b/pkgs/development/libraries/libossp-uuid/default.nix
index 47d9c4215fd..15b6da0ac5b 100644
--- a/pkgs/development/libraries/libossp-uuid/default.nix
+++ b/pkgs/development/libraries/libossp-uuid/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   patches = [ ./shtool.patch ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.ossp.org/pkg/lib/uuid/;
+    homepage = "http://www.ossp.org/pkg/lib/uuid/";
     description = "OSSP uuid ISO-C and C++ shared library";
     longDescription =
       ''
diff --git a/pkgs/development/libraries/libotr/default.nix b/pkgs/development/libraries/libotr/default.nix
index db79bad745f..10619f9682b 100644
--- a/pkgs/development/libraries/libotr/default.nix
+++ b/pkgs/development/libraries/libotr/default.nix
@@ -14,8 +14,8 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ libgcrypt ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.cypherpunks.ca/otr/;
-    repositories.git = git://git.code.sf.net/p/otr/libotr;
+    homepage = "http://www.cypherpunks.ca/otr/";
+    repositories.git = "git://git.code.sf.net/p/otr/libotr";
     license = licenses.lgpl21;
     description = "Library for Off-The-Record Messaging";
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libow/default.nix b/pkgs/development/libraries/libow/default.nix
index b9eedc4cd95..1f67e1fc791 100644
--- a/pkgs/development/libraries/libow/default.nix
+++ b/pkgs/development/libraries/libow/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "1-Wire File System full library";
-    homepage = https://owfs.org/;
+    homepage = "https://owfs.org/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ disserman ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libowfat/default.nix b/pkgs/development/libraries/libowfat/default.nix
index 73029c76818..5f434a7ae75 100644
--- a/pkgs/development/libraries/libowfat/default.nix
+++ b/pkgs/development/libraries/libowfat/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A GPL reimplementation of libdjb";
-    homepage = https://www.fefe.de/libowfat/;
+    homepage = "https://www.fefe.de/libowfat/";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libp11/default.nix b/pkgs/development/libraries/libp11/default.nix
index 903aa66ce60..4bf0b020118 100644
--- a/pkgs/development/libraries/libp11/default.nix
+++ b/pkgs/development/libraries/libp11/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Small layer on top of PKCS#11 API to make PKCS#11 implementations easier";
-    homepage = https://github.com/OpenSC/libp11;
+    homepage = "https://github.com/OpenSC/libp11";
     license = licenses.lgpl21Plus;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/libpaper/default.nix b/pkgs/development/libraries/libpaper/default.nix
index 3c37cf82495..28c6030a0ff 100644
--- a/pkgs/development/libraries/libpaper/default.nix
+++ b/pkgs/development/libraries/libpaper/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library for handling paper characteristics";
-    homepage = http://packages.debian.org/unstable/source/libpaper;
+    homepage = "http://packages.debian.org/unstable/source/libpaper";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libpar2/default.nix b/pkgs/development/libraries/libpar2/default.nix
index bbdce71bad6..9447b83af17 100644
--- a/pkgs/development/libraries/libpar2/default.nix
+++ b/pkgs/development/libraries/libpar2/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   CXXFLAGS = stdenv.lib.optionalString stdenv.cc.isClang "-std=c++11";
 
   meta = {
-    homepage = http://parchive.sourceforge.net/;
+    homepage = "http://parchive.sourceforge.net/";
     license = stdenv.lib.licenses.gpl2Plus;
     description = "A library for using Parchives (parity archive volume sets)";
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libpcap/default.nix b/pkgs/development/libraries/libpcap/default.nix
index b704878b164..123c2f2f067 100644
--- a/pkgs/development/libraries/libpcap/default.nix
+++ b/pkgs/development/libraries/libpcap/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.tcpdump.org;
+    homepage = "https://www.tcpdump.org";
     description = "Packet Capture Library";
     platforms = platforms.unix;
     maintainers = with maintainers; [ fpletz ];
diff --git a/pkgs/development/libraries/libpeas/default.nix b/pkgs/development/libraries/libpeas/default.nix
index 96da8a165ae..61b774ac7b7 100644
--- a/pkgs/development/libraries/libpeas/default.nix
+++ b/pkgs/development/libraries/libpeas/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A GObject-based plugins engine";
-    homepage = https://wiki.gnome.org/Projects/Libpeas;
+    homepage = "https://wiki.gnome.org/Projects/Libpeas";
     license = licenses.gpl2Plus;
     platforms = platforms.unix;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/libpgf/default.nix b/pkgs/development/libraries/libpgf/default.nix
index b3dae0c60ea..f262a7da131 100644
--- a/pkgs/development/libraries/libpgf/default.nix
+++ b/pkgs/development/libraries/libpgf/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 # configureFlags = optional static "--enable-static --disable-shared";
 
   meta = {
-    homepage = http://www.libpgf.org/;
+    homepage = "http://www.libpgf.org/";
     description = "Progressive Graphics Format";
     license = stdenv.lib.licenses.lgpl21Plus;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libpipeline/default.nix b/pkgs/development/libraries/libpipeline/default.nix
index eabf2d2a106..bf80562a0b1 100644
--- a/pkgs/development/libraries/libpipeline/default.nix
+++ b/pkgs/development/libraries/libpipeline/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   patches = stdenv.lib.optionals stdenv.isDarwin [ ./fix-on-osx.patch ];
 
   meta = with stdenv.lib; {
-    homepage = http://libpipeline.nongnu.org;
+    homepage = "http://libpipeline.nongnu.org";
     description = "C library for manipulating pipelines of subprocesses in a flexible and convenient way";
     platforms = platforms.unix;
     license = licenses.gpl3;
diff --git a/pkgs/development/libraries/libplist/default.nix b/pkgs/development/libraries/libplist/default.nix
index 63599c4352d..6608ccd1abc 100644
--- a/pkgs/development/libraries/libplist/default.nix
+++ b/pkgs/development/libraries/libplist/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to handle Apple Property List format in binary or XML";
-    homepage = https://github.com/libimobiledevice/libplist;
+    homepage = "https://github.com/libimobiledevice/libplist";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ infinisil ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libpng/12.nix b/pkgs/development/libraries/libpng/12.nix
index 14ae1156087..7199695ae74 100644
--- a/pkgs/development/libraries/libpng/12.nix
+++ b/pkgs/development/libraries/libpng/12.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The official reference implementation for the PNG file format";
-    homepage = http://www.libpng.org/pub/png/libpng.html;
+    homepage = "http://www.libpng.org/pub/png/libpng.html";
     license = licenses.libpng;
     maintainers = [ ];
     branch = "1.2";
diff --git a/pkgs/development/libraries/libpng/default.nix b/pkgs/development/libraries/libpng/default.nix
index 95ef6201346..489007bc417 100644
--- a/pkgs/development/libraries/libpng/default.nix
+++ b/pkgs/development/libraries/libpng/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The official reference implementation for the PNG file format" + whenPatched " with animation patch";
-    homepage = http://www.libpng.org/pub/png/libpng.html;
+    homepage = "http://www.libpng.org/pub/png/libpng.html";
     license = licenses.libpng2;
     platforms = platforms.all;
     maintainers = [ maintainers.vcunat ];
diff --git a/pkgs/development/libraries/libpqxx/default.nix b/pkgs/development/libraries/libpqxx/default.nix
index f6f2412c818..a710e09a454 100644
--- a/pkgs/development/libraries/libpqxx/default.nix
+++ b/pkgs/development/libraries/libpqxx/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A C++ library to access PostgreSQL databases";
-    homepage = http://pqxx.org/development/libpqxx/;
+    homepage = "http://pqxx.org/development/libpqxx/";
     license = lib.licenses.bsd3;
     platforms = lib.platforms.linux;
     maintainers = [ lib.maintainers.eelco ];
diff --git a/pkgs/development/libraries/libproxy/default.nix b/pkgs/development/libraries/libproxy/default.nix
index 8d4febcde28..61c25e183bd 100644
--- a/pkgs/development/libraries/libproxy/default.nix
+++ b/pkgs/development/libraries/libproxy/default.nix
@@ -88,7 +88,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.lgpl21;
-    homepage = http://libproxy.github.io/libproxy/;
+    homepage = "http://libproxy.github.io/libproxy/";
     description = "A library that provides automatic proxy configuration management";
   };
 }
diff --git a/pkgs/development/libraries/libpseudo/default.nix b/pkgs/development/libraries/libpseudo/default.nix
index c04c8d724d0..e08feaddc60 100644
--- a/pkgs/development/libraries/libpseudo/default.nix
+++ b/pkgs/development/libraries/libpseudo/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib ncurses ];
 
   meta = with stdenv.lib; {
-    homepage = http://libpseudo.sourceforge.net/;
+    homepage = "http://libpseudo.sourceforge.net/";
     description = "Simple, thread-safe messaging between threads";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libpwquality/default.nix b/pkgs/development/libraries/libpwquality/default.nix
index c3ad33173cd..bd45cb529f1 100644
--- a/pkgs/development/libraries/libpwquality/default.nix
+++ b/pkgs/development/libraries/libpwquality/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Password quality checking and random password generation library";
-    homepage = https://github.com/libpwquality/libpwquality;
+    homepage = "https://github.com/libpwquality/libpwquality";
     license = licenses.bsd3;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libqb/default.nix b/pkgs/development/libraries/libqb/default.nix
index 25b088f99ec..58eb64b0e48 100644
--- a/pkgs/development/libraries/libqb/default.nix
+++ b/pkgs/development/libraries/libqb/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec{
   nativeBuildInputs = [ pkgconfig ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/clusterlabs/libqb;
+    homepage = "https://github.com/clusterlabs/libqb";
     description = "A library providing high performance logging, tracing, ipc, and poll";
     license = licenses.lgpl21;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libqmatrixclient/default.nix b/pkgs/development/libraries/libqmatrixclient/default.nix
index 41a2a1b669d..8027fd46ea8 100644
--- a/pkgs/development/libraries/libqmatrixclient/default.nix
+++ b/pkgs/development/libraries/libqmatrixclient/default.nix
@@ -23,7 +23,7 @@ let
 
     meta = with stdenv.lib; {
       description= "A Qt5 library to write cross-platfrom clients for Matrix";
-      homepage = https://matrix.org/docs/projects/sdk/libqmatrixclient.html;
+      homepage = "https://matrix.org/docs/projects/sdk/libqmatrixclient.html";
       license = licenses.lgpl21;
       platforms = with platforms; linux ++ darwin;
       maintainers = with maintainers; [ peterhoeg ];
diff --git a/pkgs/development/libraries/libqtav/default.nix b/pkgs/development/libraries/libqtav/default.nix
index dd6318444e7..8d9cf381ff8 100644
--- a/pkgs/development/libraries/libqtav/default.nix
+++ b/pkgs/development/libraries/libqtav/default.nix
@@ -43,7 +43,7 @@ mkDerivation rec {
     description = "A multimedia playback framework based on Qt + FFmpeg";
     #license = licenses.lgpl21; # For the libraries / headers only.
     license = licenses.gpl3; # With the examples (under bin) and most likely some of the optional dependencies used.
-    homepage = http://www.qtav.org/;
+    homepage = "http://www.qtav.org/";
     maintainers = [ maintainers.jraygauthier ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libr3/default.nix b/pkgs/development/libraries/libr3/default.nix
index cf848d02a04..0584203a581 100644
--- a/pkgs/development/libraries/libr3/default.nix
+++ b/pkgs/development/libraries/libr3/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A high-performance path dispatching library";
-    homepage = https://github.com/c9s/r3;
+    homepage = "https://github.com/c9s/r3";
     license = [ stdenv.lib.licenses.mit ];
   };
 
diff --git a/pkgs/development/libraries/libraspberrypi/default.nix b/pkgs/development/libraries/libraspberrypi/default.nix
index ec31a29d053..1cd1f5e62ac 100644
--- a/pkgs/development/libraries/libraspberrypi/default.nix
+++ b/pkgs/development/libraries/libraspberrypi/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   meta = with stdenv.lib; {
     description = "Userland libraries for interfacing with Raspberry Pi hardware";
-    homepage = https://github.com/raspberrypi/userland;
+    homepage = "https://github.com/raspberrypi/userland";
     license = licenses.bsd3;
     platforms = [ "armv6l-linux" "armv7l-linux" "aarch64-linux" ];
     maintainers = with maintainers; [ tkerber ];
diff --git a/pkgs/development/libraries/libraw/default.nix b/pkgs/development/libraries/libraw/default.nix
index 00288e359df..69169c7e9af 100644
--- a/pkgs/development/libraries/libraw/default.nix
+++ b/pkgs/development/libraries/libraw/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others)";
-    homepage = https://www.libraw.org/;
+    homepage = "https://www.libraw.org/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/librdf/raptor.nix b/pkgs/development/libraries/librdf/raptor.nix
index 14e3e1891ba..ef194bb0b1e 100644
--- a/pkgs/development/libraries/librdf/raptor.nix
+++ b/pkgs/development/libraries/librdf/raptor.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "The RDF Parser Toolkit";
-    homepage = http://librdf.org/raptor;
+    homepage = "http://librdf.org/raptor";
     license = with stdenv.lib.licenses; [ lgpl21 asl20 ];
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/librdf/raptor2.nix b/pkgs/development/libraries/librdf/raptor2.nix
index 3f436677123..b4141d4ff07 100644
--- a/pkgs/development/libraries/librdf/raptor2.nix
+++ b/pkgs/development/libraries/librdf/raptor2.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "The RDF Parser Toolkit";
-    homepage = http://librdf.org/raptor;
+    homepage = "http://librdf.org/raptor";
     license = with stdenv.lib.licenses; [ lgpl21 asl20 ];
     maintainers = with stdenv.lib.maintainers; [ marcweber ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/librdf/rasqal.nix b/pkgs/development/libraries/librdf/rasqal.nix
index 124fd017818..d9b94a668c6 100644
--- a/pkgs/development/libraries/librdf/rasqal.nix
+++ b/pkgs/development/libraries/librdf/rasqal.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Library that handles Resource Description Framework (RDF)";
-    homepage = http://librdf.org/rasqal;
+    homepage = "http://librdf.org/rasqal";
     license = with stdenv.lib.licenses; [ lgpl21 asl20 ];
     maintainers = with stdenv.lib.maintainers; [ marcweber ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/librdf/redland.nix b/pkgs/development/libraries/librdf/redland.nix
index 8835490187d..a85500d2c6e 100644
--- a/pkgs/development/libraries/librdf/redland.nix
+++ b/pkgs/development/libraries/librdf/redland.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C libraries that provide support for the Resource Description Framework (RDF)";
-    homepage = http://librdf.org/;
+    homepage = "http://librdf.org/";
     platforms = platforms.unix;
     license = licenses.asl20;
   };
diff --git a/pkgs/development/libraries/librep/default.nix b/pkgs/development/libraries/librep/default.nix
index 43f80076328..bed92477a3f 100644
--- a/pkgs/development/libraries/librep/default.nix
+++ b/pkgs/development/libraries/librep/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       machine. It can serve as an application extension language
       but is also suitable for standalone scripts.
      '';
-    homepage = http://sawfish.wikia.com;
+    homepage = "http://sawfish.wikia.com";
     license = licenses.gpl2;
     maintainers = [ maintainers.AndersonTorres ];
   };
diff --git a/pkgs/development/libraries/libresample/default.nix b/pkgs/development/libraries/libresample/default.nix
index 3684fd924f7..85d8d5c586b 100644
--- a/pkgs/development/libraries/libresample/default.nix
+++ b/pkgs/development/libraries/libresample/default.nix
@@ -2,14 +2,14 @@
 
 let
   patch = fetchurl {
-    url = mirror://debian/pool/main/libr/libresample/libresample_0.1.3-3.diff.gz;
+    url = "mirror://debian/pool/main/libr/libresample/libresample_0.1.3-3.diff.gz";
     sha256 = "063w8rqxw87fc89gas47vk0ll7xl8cy7d8g70gm1l62bqkkajklx";
   };
 in
 stdenv.mkDerivation {
   name = "libresample-0.1.3";
   src = fetchurl {
-    url = mirror://debian/pool/main/libr/libresample/libresample_0.1.3.orig.tar.gz;
+    url = "mirror://debian/pool/main/libr/libresample/libresample_0.1.3.orig.tar.gz";
     sha256 = "05a8mmh1bw5afqx0kfdqzmph4x2npcs4idx0p0v6q95lwf22l8i0";
   };
   patches = [ patch ];
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A real-time library for sampling rate conversion library";
     license = stdenv.lib.licenses.lgpl2Plus;
-    homepage = https://ccrma.stanford.edu/~jos/resample/Free_Resampling_Software.html;
+    homepage = "https://ccrma.stanford.edu/~jos/resample/Free_Resampling_Software.html";
     maintainers = [ stdenv.lib.maintainers.sander ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/librest/default.nix b/pkgs/development/libraries/librest/default.nix
index e70ac9a5362..aee41e37ec6 100644
--- a/pkgs/development/libraries/librest/default.nix
+++ b/pkgs/development/libraries/librest/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Helper library for RESTful services";
-    homepage = https://wiki.gnome.org/Projects/Librest;
+    homepage = "https://wiki.gnome.org/Projects/Librest";
     license = licenses.lgpl21;
     platforms = platforms.linux;
     maintainers = gnome3.maintainers;
diff --git a/pkgs/development/libraries/librevisa/default.nix b/pkgs/development/libraries/librevisa/default.nix
index d412e1e8ebb..b49fb3f7ee7 100644
--- a/pkgs/development/libraries/librevisa/default.nix
+++ b/pkgs/development/libraries/librevisa/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
       We currently support targets connected via USB, exposing the USBTMC
       interface, and VXI-11 devices.
     '';
-    homepage = http://www.librevisa.org/;
+    homepage = "http://www.librevisa.org/";
     license = licenses.gpl3Plus;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/librsvg/default.nix b/pkgs/development/libraries/librsvg/default.nix
index 7ef9139108b..911286efb7f 100644
--- a/pkgs/development/libraries/librsvg/default.nix
+++ b/pkgs/development/libraries/librsvg/default.nix
@@ -80,7 +80,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A small library to render SVG images to Cairo surfaces";
-    homepage = https://wiki.gnome.org/Projects/LibRsvg;
+    homepage = "https://wiki.gnome.org/Projects/LibRsvg";
     license = licenses.lgpl2Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/librsync/0.9.nix b/pkgs/development/libraries/librsync/0.9.nix
index 3ca84ed2ce5..35ccdcdf078 100644
--- a/pkgs/development/libraries/librsync/0.9.nix
+++ b/pkgs/development/libraries/librsync/0.9.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "librsync-0.9.7";
 
   src = fetchurl {
-    url = mirror://sourceforge/librsync/librsync-0.9.7.tar.gz;
+    url = "mirror://sourceforge/librsync/librsync-0.9.7.tar.gz";
     sha256 = "1mj1pj99mgf1a59q9f2mxjli2fzxpnf55233pc1klxk2arhf8cv6";
   };
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   dontStrip = stdenv.hostPlatform != stdenv.buildPlatform;
 
   meta = {
-    homepage = http://librsync.sourceforge.net/;
+    homepage = "http://librsync.sourceforge.net/";
     license = stdenv.lib.licenses.lgpl2Plus;
     description = "Implementation of the rsync remote-delta algorithm";
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/libs3/default.nix b/pkgs/development/libraries/libs3/default.nix
index dfec4bc4897..3012263cb41 100644
--- a/pkgs/development/libraries/libs3/default.nix
+++ b/pkgs/development/libraries/libs3/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   makeFlags = [ "DESTDIR=$(out)" ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/bji/libs3;
+    homepage = "https://github.com/bji/libs3";
     description = "A library for interfacing with amazon s3";
     license = licenses.lgpl3Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libsamplerate/default.nix b/pkgs/development/libraries/libsamplerate/default.nix
index b23bff415a2..92958f389f0 100644
--- a/pkgs/development/libraries/libsamplerate/default.nix
+++ b/pkgs/development/libraries/libsamplerate/default.nix
@@ -29,7 +29,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Sample Rate Converter for audio";
-    homepage    = http://www.mega-nerd.com/SRC/index.html;
+    homepage    = "http://www.mega-nerd.com/SRC/index.html";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/libsass/default.nix b/pkgs/development/libraries/libsass/default.nix
index 2092d72c9f8..a6756f4e2d5 100644
--- a/pkgs/development/libraries/libsass/default.nix
+++ b/pkgs/development/libraries/libsass/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C/C++ implementation of a Sass compiler";
-    homepage = https://github.com/sass/libsass;
+    homepage = "https://github.com/sass/libsass";
     license = licenses.mit;
     maintainers = with maintainers; [ codyopel offline ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libscrypt/default.nix b/pkgs/development/libraries/libscrypt/default.nix
index 3083136526b..7eaa8f85578 100644
--- a/pkgs/development/libraries/libscrypt/default.nix
+++ b/pkgs/development/libraries/libscrypt/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Shared library that implements scrypt() functionality";
-    homepage = https://lolware.net/2014/04/29/libscrypt.html;
+    homepage = "https://lolware.net/2014/04/29/libscrypt.html";
     license = licenses.bsd2;
     maintainers = with maintainers; [ davidak ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libsearpc/default.nix b/pkgs/development/libraries/libsearpc/default.nix
index 9bf246f556d..c9c105d1b18 100644
--- a/pkgs/development/libraries/libsearpc/default.nix
+++ b/pkgs/development/libraries/libsearpc/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   preConfigure = "./autogen.sh";
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/haiwen/libsearpc;
+    homepage = "https://github.com/haiwen/libsearpc";
     description = "A simple and easy-to-use C language RPC framework (including both server side & client side) based on GObject System";
     license = licenses.lgpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libsecret/default.nix b/pkgs/development/libraries/libsecret/default.nix
index a756caea8ef..8bac2e711e5 100644
--- a/pkgs/development/libraries/libsecret/default.nix
+++ b/pkgs/development/libraries/libsecret/default.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for storing and retrieving passwords and other secrets";
-    homepage = https://wiki.gnome.org/Projects/Libsecret;
+    homepage = "https://wiki.gnome.org/Projects/Libsecret";
     license = stdenv.lib.licenses.lgpl21Plus;
     inherit (glib.meta) platforms maintainers;
   };
diff --git a/pkgs/development/libraries/libserialport/default.nix b/pkgs/development/libraries/libserialport/default.nix
index 2c34c1d8b7b..c7f34362f39 100644
--- a/pkgs/development/libraries/libserialport/default.nix
+++ b/pkgs/development/libraries/libserialport/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Cross-platform shared library for serial port access";
-    homepage = https://sigrok.org/;
+    homepage = "https://sigrok.org/";
     license = licenses.gpl3Plus;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libshout/default.nix b/pkgs/development/libraries/libshout/default.nix
index 849c93962f8..23ab4d0b338 100644
--- a/pkgs/development/libraries/libshout/default.nix
+++ b/pkgs/development/libraries/libshout/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       bad data from getting to the icecast server.
     '';
 
-    homepage = http://www.icecast.org;
+    homepage = "http://www.icecast.org";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ jcumming ];
     platforms = with stdenv.lib.platforms; unix;
diff --git a/pkgs/development/libraries/libsidplayfp/default.nix b/pkgs/development/libraries/libsidplayfp/default.nix
index 970c4aff246..7acda3c0a8f 100644
--- a/pkgs/development/libraries/libsidplayfp/default.nix
+++ b/pkgs/development/libraries/libsidplayfp/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to play Commodore 64 music derived from libsidplay2";
-    homepage = https://sourceforge.net/projects/sidplay-residfp/;
+    homepage = "https://sourceforge.net/projects/sidplay-residfp/";
     license = with licenses; [ gpl2Plus ];
     maintainers = with maintainers; [ ramkromberg ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libsieve/default.nix b/pkgs/development/libraries/libsieve/default.nix
index bc34318d0a9..e1c6f3efe52 100644
--- a/pkgs/development/libraries/libsieve/default.nix
+++ b/pkgs/development/libraries/libsieve/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An interpreter for RFC 3028 Sieve and various extensions";
-    homepage = http://sodabrew.com/libsieve/;
+    homepage = "http://sodabrew.com/libsieve/";
     license = licenses.lgpl21;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libsigcxx/1.2.nix b/pkgs/development/libraries/libsigcxx/1.2.nix
index fa27a80e22e..0fc19d20759 100644
--- a/pkgs/development/libraries/libsigcxx/1.2.nix
+++ b/pkgs/development/libraries/libsigcxx/1.2.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ m4];
 
   meta = with stdenv.lib; {
-    homepage = https://libsigcplusplus.github.io/libsigcplusplus/;
+    homepage = "https://libsigcplusplus.github.io/libsigcplusplus/";
     description = "A typesafe callback system for standard C++";
     branch = "1.2";
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libsigcxx/default.nix b/pkgs/development/libraries/libsigcxx/default.nix
index 434dbfb9f72..8f883626d82 100644
--- a/pkgs/development/libraries/libsigcxx/default.nix
+++ b/pkgs/development/libraries/libsigcxx/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://libsigcplusplus.github.io/libsigcplusplus/;
+    homepage = "https://libsigcplusplus.github.io/libsigcplusplus/";
     description = "A typesafe callback system for standard C++";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libsignal-protocol-c/default.nix b/pkgs/development/libraries/libsignal-protocol-c/default.nix
index f3549d52f69..100dbb3779c 100644
--- a/pkgs/development/libraries/libsignal-protocol-c/default.nix
+++ b/pkgs/development/libraries/libsignal-protocol-c/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Signal Protocol C Library";
-    homepage = https://github.com/signalapp/libsignal-protocol-c;
+    homepage = "https://github.com/signalapp/libsignal-protocol-c";
     license = licenses.gpl3;
     platforms = platforms.all;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/libsignon-glib/default.nix b/pkgs/development/libraries/libsignon-glib/default.nix
index c7f49a6f6dc..77a43872d4e 100644
--- a/pkgs/development/libraries/libsignon-glib/default.nix
+++ b/pkgs/development/libraries/libsignon-glib/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for managing single signon credentials which can be used from GLib applications";
-    homepage = https://gitlab.com/accounts-sso/libsignon-glib;
+    homepage = "https://gitlab.com/accounts-sso/libsignon-glib";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libsigsegv/default.nix b/pkgs/development/libraries/libsigsegv/default.nix
index b50a7c371a7..30921ade4cf 100644
--- a/pkgs/development/libraries/libsigsegv/default.nix
+++ b/pkgs/development/libraries/libsigsegv/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   doCheck = true; # not cross;
 
   meta = {
-    homepage = https://www.gnu.org/software/libsigsegv/;
+    homepage = "https://www.gnu.org/software/libsigsegv/";
     description = "Library to handle page faults in user mode";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/libsixel/default.nix b/pkgs/development/libraries/libsixel/default.nix
index 3c3beb5f1a7..9e151931e65 100644
--- a/pkgs/development/libraries/libsixel/default.nix
+++ b/pkgs/development/libraries/libsixel/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The SIXEL library for console graphics, and converter programs";
-    homepage = http://saitoha.github.com/libsixel;
+    homepage = "http://saitoha.github.com/libsixel";
     maintainers = with maintainers; [ vrthra ];
     license = licenses.mit;
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libskk/default.nix b/pkgs/development/libraries/libskk/default.nix
index d0f822a23f5..e5fd031b5ff 100644
--- a/pkgs/development/libraries/libskk/default.nix
+++ b/pkgs/development/libraries/libskk/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       as well as various dictionary types including: file dictionary (such as SKK-JISYO.[SML]),
       user dictionary, skkserv, and CDB format dictionary.
     '';
-    homepage = https://github.com/ueno/libskk;
+    homepage = "https://github.com/ueno/libskk";
     license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [ yuriaisaka ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libsmi/default.nix b/pkgs/development/libraries/libsmi/default.nix
index 208aa6c9d61..881af18d559 100644
--- a/pkgs/development/libraries/libsmi/default.nix
+++ b/pkgs/development/libraries/libsmi/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A Library to Access SMI MIB Information";
-    homepage = https://www.ibr.cs.tu-bs.de/projects/libsmi/index.html;
+    homepage = "https://www.ibr.cs.tu-bs.de/projects/libsmi/index.html";
     license = licenses.free;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
diff --git a/pkgs/development/libraries/libsnark/default.nix b/pkgs/development/libraries/libsnark/default.nix
index 15d8169f102..227353e0a9f 100644
--- a/pkgs/development/libraries/libsnark/default.nix
+++ b/pkgs/development/libraries/libsnark/default.nix
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ library for zkSNARKs";
-    homepage = https://github.com/scipr-lab/libsnark;
+    homepage = "https://github.com/scipr-lab/libsnark";
     license = licenses.mit;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
diff --git a/pkgs/development/libraries/libsndfile/default.nix b/pkgs/development/libraries/libsndfile/default.nix
index b150dd0f59c..7b20120290d 100644
--- a/pkgs/development/libraries/libsndfile/default.nix
+++ b/pkgs/development/libraries/libsndfile/default.nix
@@ -63,7 +63,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C library for reading and writing files containing sampled sound";
-    homepage    = http://www.mega-nerd.com/libsndfile/;
+    homepage    = "http://www.mega-nerd.com/libsndfile/";
     license     = licenses.lgpl2Plus;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/libsodium/default.nix b/pkgs/development/libraries/libsodium/default.nix
index a2b6ba6224e..c6381e2a141 100644
--- a/pkgs/development/libraries/libsodium/default.nix
+++ b/pkgs/development/libraries/libsodium/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A modern and easy-to-use crypto library";
-    homepage = http://doc.libsodium.org/;
+    homepage = "http://doc.libsodium.org/";
     license = licenses.isc;
     maintainers = with maintainers; [ raskin ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libsoundio/default.nix b/pkgs/development/libraries/libsoundio/default.nix
index 62e5601b73c..a4a81af532a 100644
--- a/pkgs/development/libraries/libsoundio/default.nix
+++ b/pkgs/development/libraries/libsoundio/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Cross platform audio input and output";
-    homepage = http://libsound.io/;
+    homepage = "http://libsound.io/";
     license = licenses.mit;
     platforms = platforms.unix;
     maintainers = [ maintainers.andrewrk ];
diff --git a/pkgs/development/libraries/libspatialindex/default.nix b/pkgs/development/libraries/libspatialindex/default.nix
index d85c9e94ebd..4b5f7f4b3f1 100644
--- a/pkgs/development/libraries/libspatialindex/default.nix
+++ b/pkgs/development/libraries/libspatialindex/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Extensible spatial index library in C++";
-    homepage = http://libspatialindex.github.io/;
+    homepage = "http://libspatialindex.github.io/";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libspatialite/default.nix b/pkgs/development/libraries/libspatialite/default.nix
index 7bd22248d87..bdc4504ad5a 100644
--- a/pkgs/development/libraries/libspatialite/default.nix
+++ b/pkgs/development/libraries/libspatialite/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Extensible spatial index library in C++";
-    homepage = https://www.gaia-gis.it/fossil/libspatialite;
+    homepage = "https://www.gaia-gis.it/fossil/libspatialite";
     # They allow any of these
     license = with licenses; [ gpl2Plus lgpl21Plus mpl11 ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libspectre/default.nix b/pkgs/development/libraries/libspectre/default.nix
index f1e4169bd48..11400a6a3e2 100644
--- a/pkgs/development/libraries/libspectre/default.nix
+++ b/pkgs/development/libraries/libspectre/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = {
-    homepage = http://libspectre.freedesktop.org/;
+    homepage = "http://libspectre.freedesktop.org/";
     description = "PostScript rendering library";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/libspectrum/default.nix b/pkgs/development/libraries/libspectrum/default.nix
index c09a45abf59..24b9b9241c2 100644
--- a/pkgs/development/libraries/libspectrum/default.nix
+++ b/pkgs/development/libraries/libspectrum/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with lib; {
-    homepage = http://fuse-emulator.sourceforge.net/libspectrum.php;
+    homepage = "http://fuse-emulator.sourceforge.net/libspectrum.php";
     description = "ZX Spectrum input and output support library";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libspf2/default.nix b/pkgs/development/libraries/libspf2/default.nix
index d4b11270428..42b39179b20 100644
--- a/pkgs/development/libraries/libspf2/default.nix
+++ b/pkgs/development/libraries/libspf2/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Implementation of the Sender Policy Framework for SMTP authorization";
-    homepage = https://www.libspf2.org;
+    homepage = "https://www.libspf2.org";
     license = with licenses; [ lgpl21Plus bsd2 ];
     maintainers = with maintainers; [ pacien ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libspiro/default.nix b/pkgs/development/libraries/libspiro/default.nix
index 67251f9430a..0922d3c1730 100644
--- a/pkgs/development/libraries/libspiro/default.nix
+++ b/pkgs/development/libraries/libspiro/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library that simplifies the drawing of beautiful curves";
-    homepage = https://github.com/fontforge/libspiro;
+    homepage = "https://github.com/fontforge/libspiro";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.erictapen ];
   };
diff --git a/pkgs/development/libraries/libspotify/default.nix b/pkgs/development/libraries/libspotify/default.nix
index 1b0953df4e6..69cd24dfd6e 100644
--- a/pkgs/development/libraries/libspotify/default.nix
+++ b/pkgs/development/libraries/libspotify/default.nix
@@ -84,7 +84,7 @@ else stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Spotify API library";
-    homepage    = https://developer.spotify.com/technologies/libspotify;
+    homepage    = "https://developer.spotify.com/technologies/libspotify";
     maintainers = with maintainers; [ lovek323 ];
     license     = licenses.unfree;
   };
diff --git a/pkgs/development/libraries/libsrs2/default.nix b/pkgs/development/libraries/libsrs2/default.nix
index f8fc6a446d1..0d186204f92 100644
--- a/pkgs/development/libraries/libsrs2/default.nix
+++ b/pkgs/development/libraries/libsrs2/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "The next generation SRS library from the original designer of SRS";
     license = with lib.licenses; [ gpl2 bsd3 ];
-    homepage = https://www.libsrs2.org/;
+    homepage = "https://www.libsrs2.org/";
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/libssh2/default.nix b/pkgs/development/libraries/libssh2/default.nix
index 365c836c9fd..5cc0232e17d 100644
--- a/pkgs/development/libraries/libssh2/default.nix
+++ b/pkgs/development/libraries/libssh2/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A client-side C library implementing the SSH2 protocol";
-    homepage = https://www.libssh2.org;
+    homepage = "https://www.libssh2.org";
     platforms = platforms.all;
     license = licenses.bsd3;
     maintainers = [ ];
diff --git a/pkgs/development/libraries/libstatgrab/default.nix b/pkgs/development/libraries/libstatgrab/default.nix
index e10dffa96c1..70a632dd4a7 100644
--- a/pkgs/development/libraries/libstatgrab/default.nix
+++ b/pkgs/development/libraries/libstatgrab/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [] ++ stdenv.lib.optional stdenv.isDarwin IOKit;
 
   meta = with stdenv.lib; {
-    homepage = https://www.i-scream.org/libstatgrab/;
+    homepage = "https://www.i-scream.org/libstatgrab/";
     description = "A library that provides cross platforms access to statistics about the running system";
     license = licenses.gpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libstroke/default.nix b/pkgs/development/libraries/libstroke/default.nix
index 400a107c518..534ad7afc71 100644
--- a/pkgs/development/libraries/libstroke/default.nix
+++ b/pkgs/development/libraries/libstroke/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libstroke-0.5.1";
 
   src = fetchurl {
-    url = https://web.archive.org/web/20161204100704/http://etla.net/libstroke/libstroke-0.5.1.tar.gz;
+    url = "https://web.archive.org/web/20161204100704/http://etla.net/libstroke/libstroke-0.5.1.tar.gz";
     sha256 = "0bbpqzsqh9zrc6cg62f6vp1p4dzvv37blsd0gdlzdskgwvyzba8d";
   };
 
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Libstroke, a library for simple gesture recognition";
-    homepage = https://web.archive.org/web/20161204100704/http://etla.net/libstroke/;
+    homepage = "https://web.archive.org/web/20161204100704/http://etla.net/libstroke/";
     license = stdenv.lib.licenses.gpl2;
 
     longDescription =
diff --git a/pkgs/development/libraries/libsvm/default.nix b/pkgs/development/libraries/libsvm/default.nix
index 99eccc3436f..0709f3867e4 100644
--- a/pkgs/development/libraries/libsvm/default.nix
+++ b/pkgs/development/libraries/libsvm/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for support vector machines";
-    homepage = https://www.csie.ntu.edu.tw/~cjlin/libsvm/;
+    homepage = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/";
     license = licenses.bsd3;
     maintainers = [ maintainers.spwhitt ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libsystemtap/default.nix b/pkgs/development/libraries/libsystemtap/default.nix
index ecfa3377c99..b46a848a041 100644
--- a/pkgs/development/libraries/libsystemtap/default.nix
+++ b/pkgs/development/libraries/libsystemtap/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   version = "3.2";
 
   src = fetchgit {
-    url = git://sourceware.org/git/systemtap.git;
+    url = "git://sourceware.org/git/systemtap.git";
     rev = "4051c70c9318c837981384cbb23f3e9eb1bd0892";
     sha256 = "0sd8n3j3rishks3gyqj2jyqhps7hmlfjyz8i0w8v98cczhhh04rq";
     fetchSubmodules = false;
diff --git a/pkgs/development/libraries/libtap/default.nix b/pkgs/development/libraries/libtap/default.nix
index ca0407bd0aa..a06db32e84f 100644
--- a/pkgs/development/libraries/libtap/default.nix
+++ b/pkgs/development/libraries/libtap/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec{
       C originally created by Nik Clayton. This is a maintenance
       branch by Shlomi Fish.
     '';
-    homepage = https://www.shlomifish.org/open-source/projects/libtap/;
+    homepage = "https://www.shlomifish.org/open-source/projects/libtap/";
     license = licenses.bsd3;
     maintainers = [ maintainers.AndersonTorres ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libtar/default.nix b/pkgs/development/libraries/libtar/default.nix
index c4614103b3f..a31fde0d31d 100644
--- a/pkgs/development/libraries/libtar/default.nix
+++ b/pkgs/development/libraries/libtar/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C library for manipulating POSIX tar files";
-    homepage = https://repo.or.cz/libtar;
+    homepage = "https://repo.or.cz/libtar";
     license = licenses.bsd3;
     platforms = with platforms; linux ++ darwin;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/libtasn1/default.nix b/pkgs/development/libraries/libtasn1/default.nix
index d266817c5d7..90dde37a416 100644
--- a/pkgs/development/libraries/libtasn1/default.nix
+++ b/pkgs/development/libraries/libtasn1/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     null;
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnu.org/software/libtasn1/;
+    homepage = "https://www.gnu.org/software/libtasn1/";
     description = "An ASN.1 library";
     longDescription = ''
       Libtasn1 is the ASN.1 library used by GnuTLS, GNU Shishi and some
diff --git a/pkgs/development/libraries/libtcod/default.nix b/pkgs/development/libraries/libtcod/default.nix
index d81f3f82001..c8c59b15f3a 100644
--- a/pkgs/development/libraries/libtcod/default.nix
+++ b/pkgs/development/libraries/libtcod/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "API for roguelike games";
-    homepage = http://roguecentral.org/doryen/libtcod/;
+    homepage = "http://roguecentral.org/doryen/libtcod/";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.skeidel ];
diff --git a/pkgs/development/libraries/libtelnet/default.nix b/pkgs/development/libraries/libtelnet/default.nix
index 043acee0cfe..df500cd7a41 100644
--- a/pkgs/development/libraries/libtelnet/default.nix
+++ b/pkgs/development/libraries/libtelnet/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Simple RFC-complient TELNET implementation as a C library";
-    homepage = https://github.com/seanmiddleditch/libtelnet;
+    homepage = "https://github.com/seanmiddleditch/libtelnet";
     license = stdenv.lib.licenses.publicDomain;
     maintainers = [ stdenv.lib.maintainers.tomberek ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/libtermkey/default.nix b/pkgs/development/libraries/libtermkey/default.nix
index 989d26b64e1..bb2e1b05bce 100644
--- a/pkgs/development/libraries/libtermkey/default.nix
+++ b/pkgs/development/libraries/libtermkey/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Terminal keypress reading library";
-    homepage = http://www.leonerd.org.uk/code/libtermkey;
+    homepage = "http://www.leonerd.org.uk/code/libtermkey";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libtgvoip/default.nix b/pkgs/development/libraries/libtgvoip/default.nix
index 80c6e7e204e..4055aea5869 100644
--- a/pkgs/development/libraries/libtgvoip/default.nix
+++ b/pkgs/development/libraries/libtgvoip/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     description = "VoIP library for Telegram clients";
     license = licenses.unlicense;
     platforms = platforms.linux;
-    homepage = https://github.com/telegramdesktop/libtgvoip;
+    homepage = "https://github.com/telegramdesktop/libtgvoip";
     maintainers = with maintainers; [ ilya-fedin ];
   };
 }
diff --git a/pkgs/development/libraries/libtheora/default.nix b/pkgs/development/libraries/libtheora/default.nix
index 81bd35ff293..656204fb0ce 100644
--- a/pkgs/development/libraries/libtheora/default.nix
+++ b/pkgs/development/libraries/libtheora/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.theora.org/;
+    homepage = "https://www.theora.org/";
     description = "Library for Theora, a free and open video compression format";
     license = licenses.bsd3;
     maintainers = with maintainers; [ spwhitt ];
diff --git a/pkgs/development/libraries/libtiff/default.nix b/pkgs/development/libraries/libtiff/default.nix
index 795ed439093..6d410962182 100644
--- a/pkgs/development/libraries/libtiff/default.nix
+++ b/pkgs/development/libraries/libtiff/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library and utilities for working with the TIFF image file format";
-    homepage = http://download.osgeo.org/libtiff;
+    homepage = "http://download.osgeo.org/libtiff";
     license = licenses.libtiff;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libtiger/default.nix b/pkgs/development/libraries/libtiger/default.nix
index 7a72fa2b7a3..fbc726a4519 100644
--- a/pkgs/development/libraries/libtiger/default.nix
+++ b/pkgs/development/libraries/libtiger/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.ApplicationServices;
 
   meta = {
-    homepage = https://code.google.com/archive/p/libtiger/;
+    homepage = "https://code.google.com/archive/p/libtiger/";
     description = "A rendering library for Kate streams using Pango and Cairo";
     platforms = lib.platforms.unix;
     license = lib.licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/libtomcrypt/default.nix b/pkgs/development/libraries/libtomcrypt/default.nix
index 6520ddd0a9e..d9e9df59324 100644
--- a/pkgs/development/libraries/libtomcrypt/default.nix
+++ b/pkgs/development/libraries/libtomcrypt/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.libtom.net/LibTomCrypt/;
+    homepage = "https://www.libtom.net/LibTomCrypt/";
     description = "A fairly comprehensive, modular and portable cryptographic toolkit";
     license = with licenses; [ publicDomain wtfpl ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libtommath/default.nix b/pkgs/development/libraries/libtommath/default.nix
index 0fde422b9aa..9a0a2def4b7 100644
--- a/pkgs/development/libraries/libtommath/default.nix
+++ b/pkgs/development/libraries/libtommath/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.libtom.net/LibTomMath/;
+    homepage = "https://www.libtom.net/LibTomMath/";
     description = "A library for integer-based number-theoretic applications";
     license = with licenses; [ publicDomain wtfpl ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libtoxcore/default.nix b/pkgs/development/libraries/libtoxcore/default.nix
index 76362f8f883..996613d5ffc 100644
--- a/pkgs/development/libraries/libtoxcore/default.nix
+++ b/pkgs/development/libraries/libtoxcore/default.nix
@@ -41,7 +41,7 @@ let
 
     meta = with stdenv.lib; {
       description = "P2P FOSS instant messaging application aimed to replace Skype";
-      homepage = https://tox.chat;
+      homepage = "https://tox.chat";
       license = licenses.gpl3Plus;
       maintainers = with maintainers; [ peterhoeg ];
       platforms = platforms.all;
diff --git a/pkgs/development/libraries/libtsm/default.nix b/pkgs/development/libraries/libtsm/default.nix
index 18ceb530229..ebeb927aaa4 100644
--- a/pkgs/development/libraries/libtsm/default.nix
+++ b/pkgs/development/libraries/libtsm/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Terminal-emulator State Machine";
-    homepage = http://www.freedesktop.org/wiki/Software/kmscon/libtsm/;
+    homepage = "http://www.freedesktop.org/wiki/Software/kmscon/libtsm/";
     license = licenses.mit;
     maintainers = with maintainers; [ cstrahan ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libtxc_dxtn/default.nix b/pkgs/development/libraries/libtxc_dxtn/default.nix
index 600b1fb510a..4e65e457110 100644
--- a/pkgs/development/libraries/libtxc_dxtn/default.nix
+++ b/pkgs/development/libraries/libtxc_dxtn/default.nix
@@ -15,8 +15,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ libGL libGLU ];
 
   meta = with stdenv.lib; {
-    homepage = http://dri.freedesktop.org/wiki/S3TC;
-    repositories.git = git://people.freedesktop.org/~mareko/libtxc_dxtn;
+    homepage = "http://dri.freedesktop.org/wiki/S3TC";
+    repositories.git = "git://people.freedesktop.org/~mareko/libtxc_dxtn";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libtxc_dxtn_s2tc/default.nix b/pkgs/development/libraries/libtxc_dxtn_s2tc/default.nix
index f9f44f5a653..bb69c0dec0a 100644
--- a/pkgs/development/libraries/libtxc_dxtn_s2tc/default.nix
+++ b/pkgs/development/libraries/libtxc_dxtn_s2tc/default.nix
@@ -16,8 +16,8 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A patent-free S3TC compatible implementation";
-    homepage = https://github.com/divVerent/s2tc;
-    repositories.git = https://github.com/divVerent/s2tc.git;
+    homepage = "https://github.com/divVerent/s2tc";
+    repositories.git = "https://github.com/divVerent/s2tc.git";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.cpages ];
diff --git a/pkgs/development/libraries/libu2f-host/default.nix b/pkgs/development/libraries/libu2f-host/default.nix
index 61fefc7d4db..3becd075b25 100644
--- a/pkgs/development/libraries/libu2f-host/default.nix
+++ b/pkgs/development/libraries/libu2f-host/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://developers.yubico.com/libu2f-host;
+    homepage = "https://developers.yubico.com/libu2f-host";
     description = "A C library and command-line tool that implements the host-side of the U2F protocol";
     license = with licenses; [ gpl3Plus lgpl21Plus ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libu2f-server/default.nix b/pkgs/development/libraries/libu2f-server/default.nix
index 6140c13e493..be5658914d1 100644
--- a/pkgs/development/libraries/libu2f-server/default.nix
+++ b/pkgs/development/libraries/libu2f-server/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ json_c openssl check file help2man which gengetopt ];
 
   meta = with stdenv.lib; {
-    homepage = https://developers.yubico.com/libu2f-server/;
+    homepage = "https://developers.yubico.com/libu2f-server/";
     description = "A C library that implements the server-side of the U2F protocol";
     license = licenses.bsd2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libuchardet/default.nix b/pkgs/development/libraries/libuchardet/default.nix
index 14704cee01c..7b6a85cec07 100644
--- a/pkgs/development/libraries/libuchardet/default.nix
+++ b/pkgs/development/libraries/libuchardet/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Mozilla's Universal Charset Detector C/C++ API";
-    homepage = https://www.freedesktop.org/wiki/Software/uchardet/;
+    homepage = "https://www.freedesktop.org/wiki/Software/uchardet/";
     license = licenses.mpl11;
     maintainers = with maintainers; [ cstrahan ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libuecc/default.nix b/pkgs/development/libraries/libuecc/default.nix
index 7080edcd738..ff6801ef18f 100644
--- a/pkgs/development/libraries/libuecc/default.nix
+++ b/pkgs/development/libraries/libuecc/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Very small Elliptic Curve Cryptography library";
-    homepage = https://git.universe-factory.net/libuecc;
+    homepage = "https://git.universe-factory.net/libuecc";
     license = licenses.bsd2;
     platforms = platforms.unix;
     maintainers = with maintainers; [ fpletz ];
diff --git a/pkgs/development/libraries/libui/default.nix b/pkgs/development/libraries/libui/default.nix
index 57385d1b410..c009c786672 100644
--- a/pkgs/development/libraries/libui/default.nix
+++ b/pkgs/development/libraries/libui/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage    = https://github.com/andlabs/libui;
+    homepage    = "https://github.com/andlabs/libui";
     description = "Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.";
     license     = licenses.mit;
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/libunarr/default.nix b/pkgs/development/libraries/libunarr/default.nix
index 35ec5dfed7c..3bc5f137091 100644
--- a/pkgs/development/libraries/libunarr/default.nix
+++ b/pkgs/development/libraries/libunarr/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/selmf/unarr;
+    homepage = "https://github.com/selmf/unarr";
     description = "A lightweight decompression library with support for rar, tar and zip archives";
     license = licenses.lgpl3;
   };
diff --git a/pkgs/development/libraries/libunibreak/default.nix b/pkgs/development/libraries/libunibreak/default.nix
index 7e75954fb45..5b549176889 100644
--- a/pkgs/development/libraries/libunibreak/default.nix
+++ b/pkgs/development/libraries/libunibreak/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://vimgadgets.sourceforge.net/libunibreak/;
+    homepage = "http://vimgadgets.sourceforge.net/libunibreak/";
     description = "A library implementing a line breaking algorithm as described in Unicode 6.0.0 Standard";
     license = licenses.zlib;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libunique/3.x.nix b/pkgs/development/libraries/libunique/3.x.nix
index b315d0f16b0..e960117125e 100644
--- a/pkgs/development/libraries/libunique/3.x.nix
+++ b/pkgs/development/libraries/libunique/3.x.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ dbus dbus-glib gtk3 gobject-introspection gtk-doc docbook_xml_dtd_45 docbook_xsl libxslt libxml2 ];
 
   meta = {
-    homepage = https://wiki.gnome.org/Attic/LibUnique;
+    homepage = "https://wiki.gnome.org/Attic/LibUnique";
     description = "A library for writing single instance applications";
     license = licenses.lgpl21;
     maintainers = [ maintainers.AndersonTorres ];
diff --git a/pkgs/development/libraries/libunistring/default.nix b/pkgs/development/libraries/libunistring/default.nix
index 2c9a13788c5..f0cc73ba4e9 100644
--- a/pkgs/development/libraries/libunistring/default.nix
+++ b/pkgs/development/libraries/libunistring/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = false;
 
   meta = {
-    homepage = https://www.gnu.org/software/libunistring/;
+    homepage = "https://www.gnu.org/software/libunistring/";
 
     description = "Unicode string library";
 
diff --git a/pkgs/development/libraries/libunity/default.nix b/pkgs/development/libraries/libunity/default.nix
index daaf3de6bcc..037e84069b4 100644
--- a/pkgs/development/libraries/libunity/default.nix
+++ b/pkgs/development/libraries/libunity/default.nix
@@ -58,7 +58,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A library for instrumenting and integrating with all aspects of the Unity shell";
-    homepage = https://launchpad.net/libunity;
+    homepage = "https://launchpad.net/libunity";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ worldofpeace ];
diff --git a/pkgs/development/libraries/libunwind/default.nix b/pkgs/development/libraries/libunwind/default.nix
index f49bebe9b1a..d6367fbd198 100644
--- a/pkgs/development/libraries/libunwind/default.nix
+++ b/pkgs/development/libraries/libunwind/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails
 
   meta = with stdenv.lib; {
-    homepage = https://www.nongnu.org/libunwind;
+    homepage = "https://www.nongnu.org/libunwind";
     description = "A portable and efficient API to determine the call-chain of a program";
     maintainers = with maintainers; [ orivej ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/liburcu/default.nix b/pkgs/development/libraries/liburcu/default.nix
index 3ed45e788c4..5292ec9d7e0 100644
--- a/pkgs/development/libraries/liburcu/default.nix
+++ b/pkgs/development/libraries/liburcu/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Userspace RCU (read-copy-update) library";
-    homepage = https://lttng.org/urcu;
+    homepage = "https://lttng.org/urcu";
     license = licenses.lgpl21Plus;
     platforms = platforms.unix;
     maintainers = [ maintainers.bjornfor ];
diff --git a/pkgs/development/libraries/liburing/default.nix b/pkgs/development/libraries/liburing/default.nix
index de7d092373b..1b1aa8a4e04 100644
--- a/pkgs/development/libraries/liburing/default.nix
+++ b/pkgs/development/libraries/liburing/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Userspace library for the Linux io_uring API";
-    homepage    = https://git.kernel.dk/cgit/liburing/;
+    homepage    = "https://git.kernel.dk/cgit/liburing/";
     license     = licenses.lgpl21;
     platforms   = platforms.linux;
     maintainers = with maintainers; [ thoughtpolice ];
diff --git a/pkgs/development/libraries/libusbmuxd/default.nix b/pkgs/development/libraries/libusbmuxd/default.nix
index debccb9087d..f4c4dbfcf71 100644
--- a/pkgs/development/libraries/libusbmuxd/default.nix
+++ b/pkgs/development/libraries/libusbmuxd/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A client library to multiplex connections from and to iOS devices";
-    homepage    = https://github.com/libimobiledevice/libusbmuxd;
+    homepage    = "https://github.com/libimobiledevice/libusbmuxd";
     license     = licenses.lgpl21Plus;
     platforms   = platforms.linux;
     maintainers = with maintainers; [ infinisil ];
diff --git a/pkgs/development/libraries/libuv/default.nix b/pkgs/development/libraries/libuv/default.nix
index 0250b09ce1e..d9f90306584 100644
--- a/pkgs/development/libraries/libuv/default.nix
+++ b/pkgs/development/libraries/libuv/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "A multi-platform support library with a focus on asynchronous I/O";
-    homepage    = https://github.com/libuv/libuv;
+    homepage    = "https://github.com/libuv/libuv";
     maintainers = with maintainers; [ cstrahan ];
     platforms   = with platforms; linux ++ darwin;
     license     = with licenses; [ mit isc bsd2 bsd3 cc-by-40 ];
diff --git a/pkgs/development/libraries/libva-utils/default.nix b/pkgs/development/libraries/libva-utils/default.nix
index c604ce71cb7..a3c7cf05cfb 100644
--- a/pkgs/development/libraries/libva-utils/default.nix
+++ b/pkgs/development/libraries/libva-utils/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "VAAPI tools: Video Acceleration API";
-    homepage = http://www.freedesktop.org/wiki/Software/vaapi;
+    homepage = "http://www.freedesktop.org/wiki/Software/vaapi";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libva/1.0.0.nix b/pkgs/development/libraries/libva/1.0.0.nix
index 9b12f83bcb8..1debefed0ad 100644
--- a/pkgs/development/libraries/libva/1.0.0.nix
+++ b/pkgs/development/libraries/libva/1.0.0.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   installFlags = [ "dummy_drv_video_ladir=$(out)/lib/dri" ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.freedesktop.org/wiki/Software/vaapi;
+    homepage = "http://www.freedesktop.org/wiki/Software/vaapi";
     license = licenses.mit;
     description = "VAAPI library: Video Acceleration API";
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libva/default.nix b/pkgs/development/libraries/libva/default.nix
index 0d00c9cb253..1c8e78a3a37 100644
--- a/pkgs/development/libraries/libva/default.nix
+++ b/pkgs/development/libraries/libva/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "VAAPI library: Video Acceleration API";
-    homepage = http://www.freedesktop.org/wiki/Software/vaapi;
+    homepage = "http://www.freedesktop.org/wiki/Software/vaapi";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libvdpau-va-gl/default.nix b/pkgs/development/libraries/libvdpau-va-gl/default.nix
index 039e3308f88..cfc74a8a759 100644
--- a/pkgs/development/libraries/libvdpau-va-gl/default.nix
+++ b/pkgs/development/libraries/libvdpau-va-gl/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails. needs DRI access
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/i-rinat/libvdpau-va-gl;
+    homepage = "https://github.com/i-rinat/libvdpau-va-gl";
     description = "VDPAU driver with OpenGL/VAAPI backend";
     license = licenses.lgpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libvdpau/default.nix b/pkgs/development/libraries/libvdpau/default.nix
index 977081e0ecf..7b1602523a0 100644
--- a/pkgs/development/libraries/libvdpau/default.nix
+++ b/pkgs/development/libraries/libvdpau/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isDarwin "-lX11";
 
   meta = with stdenv.lib; {
-    homepage = https://people.freedesktop.org/~aplattner/vdpau/;
+    homepage = "https://people.freedesktop.org/~aplattner/vdpau/";
     description = "Library to use the Video Decode and Presentation API for Unix (VDPAU)";
     license = licenses.mit; # expat version
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libversion/default.nix b/pkgs/development/libraries/libversion/default.nix
index 5d1449e3530..e1dc591f8b5 100644
--- a/pkgs/development/libraries/libversion/default.nix
+++ b/pkgs/development/libraries/libversion/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Advanced version string comparison library";
-    homepage = https://github.com/repology/libversion;
+    homepage = "https://github.com/repology/libversion";
     license = with licenses; [ mit ];
     maintainers = with maintainers; [ ryantm ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libviper/default.nix b/pkgs/development/libraries/libviper/default.nix
index 6ca3d997e65..f9c695aedf7 100644
--- a/pkgs/development/libraries/libviper/default.nix
+++ b/pkgs/development/libraries/libviper/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib ncurses gpm];
 
   meta = with stdenv.lib; {
-    homepage = http://libviper.sourceforge.net/;
+    homepage = "http://libviper.sourceforge.net/";
     description = "Simple window creation and management facilities for the console";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libvirt-glib/default.nix b/pkgs/development/libraries/libvirt-glib/default.nix
index 7dd874ebc83..bf8d0b373f0 100644
--- a/pkgs/development/libraries/libvirt-glib/default.nix
+++ b/pkgs/development/libraries/libvirt-glib/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
       - libvirt-gconfig - GObjects for manipulating libvirt XML documents
       - libvirt-gobject - GObjects for managing libvirt objects
     '';
-    homepage = https://libvirt.org/;
+    homepage = "https://libvirt.org/";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libvirt/5.9.0.nix b/pkgs/development/libraries/libvirt/5.9.0.nix
index 3a57a91a22a..514cf24f66e 100644
--- a/pkgs/development/libraries/libvirt/5.9.0.nix
+++ b/pkgs/development/libraries/libvirt/5.9.0.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
       }
     else
       fetchgit {
-        url = git://libvirt.org/libvirt.git;
+        url = "git://libvirt.org/libvirt.git";
         rev = "v${version}";
         sha256 = "0smm77ag8bg24xkbhl4akqikjrsq2pd3wk31nj0hk1avqnl00gmk";
         fetchSubmodules = true;
@@ -123,8 +123,8 @@ in stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-fno-stack-protector";
 
   meta = {
-    homepage = http://libvirt.org/;
-    repositories.git = git://libvirt.org/libvirt.git;
+    homepage = "http://libvirt.org/";
+    repositories.git = "git://libvirt.org/libvirt.git";
     description = ''
       A toolkit to interact with the virtualization capabilities of recent
       versions of Linux (and other OSes)
diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 89617b864ac..c1b34879eef 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
       }
     else
       fetchgit {
-        url = git://libvirt.org/libvirt.git;
+        url = "git://libvirt.org/libvirt.git";
         rev = "v${version}";
         sha256 = "1wyihi8bhwsck9b7f3b8yhlz145sjdyyj3ykjiszrqnp0y99xxy2";
         fetchSubmodules = true;
@@ -124,8 +124,8 @@ in stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-fno-stack-protector";
 
   meta = {
-    homepage = http://libvirt.org/;
-    repositories.git = git://libvirt.org/libvirt.git;
+    homepage = "http://libvirt.org/";
+    repositories.git = "git://libvirt.org/libvirt.git";
     description = ''
       A toolkit to interact with the virtualization capabilities of recent
       versions of Linux (and other OSes)
diff --git a/pkgs/development/libraries/libvisio/default.nix b/pkgs/development/libraries/libvisio/default.nix
index b807691671f..b84ba92e2bf 100644
--- a/pkgs/development/libraries/libvisio/default.nix
+++ b/pkgs/development/libraries/libvisio/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library providing ability to interpret and import visio diagrams into various applications";
-    homepage = https://wiki.documentfoundation.org/DLP/Libraries/libvisio;
+    homepage = "https://wiki.documentfoundation.org/DLP/Libraries/libvisio";
     license = licenses.mpl20;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libvisual/default.nix b/pkgs/development/libraries/libvisual/default.nix
index 6e8e2d95b6b..8880daed88e 100644
--- a/pkgs/development/libraries/libvisual/default.nix
+++ b/pkgs/development/libraries/libvisual/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An abstraction library for audio visualisations";
-    homepage = https://sourceforge.net/projects/libvisual/;
+    homepage = "https://sourceforge.net/projects/libvisual/";
     license = stdenv.lib.licenses.lgpl21Plus;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/libvorbis/default.nix b/pkgs/development/libraries/libvorbis/default.nix
index 40d21b58b55..c867b73c317 100644
--- a/pkgs/development/libraries/libvorbis/default.nix
+++ b/pkgs/development/libraries/libvorbis/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Vorbis audio compression reference implementation";
-    homepage = https://xiph.org/vorbis/;
+    homepage = "https://xiph.org/vorbis/";
     license = licenses.bsd3;
     maintainers = [ maintainers.ehmry ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libvpx/1_8.nix b/pkgs/development/libraries/libvpx/1_8.nix
index 14a6719533b..c82b7a674ac 100644
--- a/pkgs/development/libraries/libvpx/1_8.nix
+++ b/pkgs/development/libraries/libvpx/1_8.nix
@@ -175,7 +175,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "WebM VP8/VP9 codec SDK";
-    homepage    = https://www.webmproject.org/;
+    homepage    = "https://www.webmproject.org/";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/libvpx/default.nix b/pkgs/development/libraries/libvpx/default.nix
index ddde03e2876..ca3ec9856c2 100644
--- a/pkgs/development/libraries/libvpx/default.nix
+++ b/pkgs/development/libraries/libvpx/default.nix
@@ -171,7 +171,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "WebM VP8/VP9 codec SDK";
-    homepage    = https://www.webmproject.org/;
+    homepage    = "https://www.webmproject.org/";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/libvterm-neovim/default.nix b/pkgs/development/libraries/libvterm-neovim/default.nix
index 0cd1b64c1b9..ca50345f5b2 100644
--- a/pkgs/development/libraries/libvterm-neovim/default.nix
+++ b/pkgs/development/libraries/libvterm-neovim/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "VT220/xterm/ECMA-48 terminal emulator library";
-    homepage = http://www.leonerd.org.uk/code/libvterm/;
+    homepage = "http://www.leonerd.org.uk/code/libvterm/";
     license = licenses.mit;
     maintainers = with maintainers; [ rvolosatovs ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libvterm/default.nix b/pkgs/development/libraries/libvterm/default.nix
index 472539ea24b..40324ec4932 100644
--- a/pkgs/development/libraries/libvterm/default.nix
+++ b/pkgs/development/libraries/libvterm/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib ncurses ];
 
   meta = with stdenv.lib; {
-    homepage = http://libvterm.sourceforge.net/;
+    homepage = "http://libvterm.sourceforge.net/";
     description = "Terminal emulator library to mimic both vt100 and rxvt";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libwacom/default.nix b/pkgs/development/libraries/libwacom/default.nix
index 7d7dd94eff4..0b350c15026 100644
--- a/pkgs/development/libraries/libwacom/default.nix
+++ b/pkgs/development/libraries/libwacom/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
-    homepage = https://linuxwacom.github.io/;
+    homepage = "https://linuxwacom.github.io/";
     description = "Libraries, configuration, and diagnostic tools for Wacom tablets running under Linux";
     license = licenses.mit;
   };
diff --git a/pkgs/development/libraries/libwebp/default.nix b/pkgs/development/libraries/libwebp/default.nix
index 56c3f638d52..d2a98c4a847 100644
--- a/pkgs/development/libraries/libwebp/default.nix
+++ b/pkgs/development/libraries/libwebp/default.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Tools and library for the WebP image format";
-    homepage = https://developers.google.com/speed/webp/;
+    homepage = "https://developers.google.com/speed/webp/";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ codyopel ];
diff --git a/pkgs/development/libraries/libwpd/0.8.nix b/pkgs/development/libraries/libwpd/0.8.nix
index 736b1a45fa2..f47208cda44 100644
--- a/pkgs/development/libraries/libwpd/0.8.nix
+++ b/pkgs/development/libraries/libwpd/0.8.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for importing WordPerfect documents";
-    homepage = http://libwpd.sourceforge.net;
+    homepage = "http://libwpd.sourceforge.net";
     license = with licenses; [ lgpl21 mpl20 ];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libwpd/default.nix b/pkgs/development/libraries/libwpd/default.nix
index 56c598ca7de..3464c55805d 100644
--- a/pkgs/development/libraries/libwpd/default.nix
+++ b/pkgs/development/libraries/libwpd/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for importing and exporting WordPerfect documents";
-    homepage = http://libwpd.sourceforge.net/;
+    homepage = "http://libwpd.sourceforge.net/";
     license = licenses.lgpl21;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/libwpg/default.nix b/pkgs/development/libraries/libwpg/default.nix
index e80cefe16e2..c844daf51f0 100644
--- a/pkgs/development/libraries/libwpg/default.nix
+++ b/pkgs/development/libraries/libwpg/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
 
   meta = with stdenv.lib; {
-    homepage = http://libwpg.sourceforge.net;
+    homepage = "http://libwpg.sourceforge.net";
     description = "C++ library to parse WPG";
     license = with licenses; [ lgpl21 mpl20 ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libwps/default.nix b/pkgs/development/libraries/libwps/default.nix
index 61b777a5243..047e3063f79 100644
--- a/pkgs/development/libraries/libwps/default.nix
+++ b/pkgs/development/libraries/libwps/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-Wno-error=implicit-fallthrough";
 
   meta = with stdenv.lib; {
-    homepage = http://libwps.sourceforge.net/;
+    homepage = "http://libwps.sourceforge.net/";
     description = "Microsoft Works document format import filter library";
     platforms = platforms.unix;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/libxc/default.nix b/pkgs/development/libraries/libxc/default.nix
index fede13fcd9b..3f687ad26c8 100644
--- a/pkgs/development/libraries/libxc/default.nix
+++ b/pkgs/development/libraries/libxc/default.nix
@@ -25,7 +25,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Library of exchange-correlation functionals for density-functional theory";
-    homepage = https://octopus-code.org/wiki/Libxc;
+    homepage = "https://octopus-code.org/wiki/Libxc";
     license = licenses.lgpl3;
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ markuskowa ];
diff --git a/pkgs/development/libraries/libxcomp/default.nix b/pkgs/development/libraries/libxcomp/default.nix
index fb1f4b29423..9ecfa0ffd1a 100644
--- a/pkgs/development/libraries/libxcomp/default.nix
+++ b/pkgs/development/libraries/libxcomp/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "NX compression library";
-    homepage = http://wiki.x2go.org/doku.php/wiki:libs:nx-libs;
+    homepage = "http://wiki.x2go.org/doku.php/wiki:libs:nx-libs";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libxdg-basedir/default.nix b/pkgs/development/libraries/libxdg-basedir/default.nix
index f0e63efc0d1..fdf62e38269 100644
--- a/pkgs/development/libraries/libxdg-basedir/default.nix
+++ b/pkgs/development/libraries/libxdg-basedir/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/devnev/libxdg-basedir;
+    homepage = "https://github.com/devnev/libxdg-basedir";
     description = "Implementation of the XDG Base Directory specification";
     license = licenses.mit;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libxkbcommon/default.nix b/pkgs/development/libraries/libxkbcommon/default.nix
index db99107fe35..6ed331a8a6b 100644
--- a/pkgs/development/libraries/libxkbcommon/default.nix
+++ b/pkgs/development/libraries/libxkbcommon/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to handle keyboard descriptions";
-    homepage = https://xkbcommon.org;
+    homepage = "https://xkbcommon.org";
     license = licenses.mit;
     maintainers = with maintainers; [ ttuegel ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
index 510955d0af2..a73fb7cb870 100644
--- a/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
+++ b/pkgs/development/libraries/libxkbcommon/libxkbcommon_7.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library to handle keyboard descriptions";
-    homepage = https://xkbcommon.org;
+    homepage = "https://xkbcommon.org";
     license = licenses.mit;
     maintainers = with maintainers; [ ttuegel ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/libxklavier/default.nix b/pkgs/development/libraries/libxklavier/default.nix
index b088ba198b2..febe7f7b38c 100644
--- a/pkgs/development/libraries/libxklavier/default.nix
+++ b/pkgs/development/libraries/libxklavier/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library providing high-level API for X Keyboard Extension known as XKB";
-    homepage = http://freedesktop.org/wiki/Software/LibXklavier;
+    homepage = "http://freedesktop.org/wiki/Software/LibXklavier";
     license = licenses.lgpl2Plus;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libxls/default.nix b/pkgs/development/libraries/libxls/default.nix
index c111a13d298..2b28499864a 100644
--- a/pkgs/development/libraries/libxls/default.nix
+++ b/pkgs/development/libraries/libxls/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Extract Cell Data From Excel xls files";
-    homepage = https://sourceforge.net/projects/libxls/;
+    homepage = "https://sourceforge.net/projects/libxls/";
     license = licenses.bsd2;
     platforms = platforms.unix;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/libxmi/default.nix b/pkgs/development/libraries/libxmi/default.nix
index aff5f8ac445..89b96467155 100644
--- a/pkgs/development/libraries/libxmi/default.nix
+++ b/pkgs/development/libraries/libxmi/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libxmi-1.2";
 
   src = fetchurl {
-    url = mirror://gnu/libxmi/libxmi-1.2.tar.gz;
+    url = "mirror://gnu/libxmi/libxmi-1.2.tar.gz";
     sha256 = "03d4ikh29l38rl1wavb0icw7m5pp7yilnv7bb2k8qij1dinsymlx";
   };
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Library for rasterizing 2-D vector graphics";
-    homepage = https://www.gnu.org/software/libxmi/;
+    homepage = "https://www.gnu.org/software/libxmi/";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.linux;  # arbitrary choice
     maintainers = [ ];
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index 9883503414b..7c39d803906 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
   passthru = { inherit version; pythonSupport = pythonSupport; };
 
   meta = {
-    homepage = http://xmlsoft.org/;
+    homepage = "http://xmlsoft.org/";
     description = "An XML parsing library for C";
     license = lib.licenses.mit;
     platforms = lib.platforms.all;
diff --git a/pkgs/development/libraries/libxmlxx/v3.nix b/pkgs/development/libraries/libxmlxx/v3.nix
index 94c2ca09582..be5c019e31e 100644
--- a/pkgs/development/libraries/libxmlxx/v3.nix
+++ b/pkgs/development/libraries/libxmlxx/v3.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://libxmlplusplus.sourceforge.net/;
+    homepage = "http://libxmlplusplus.sourceforge.net/";
     description = "C++ wrapper for the libxml2 XML parser library, version 3";
     license = licenses.lgpl2Plus;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libxnd/default.nix b/pkgs/development/libraries/libxnd/default.nix
index eb031eb2a9d..7313b2582be 100644
--- a/pkgs/development/libraries/libxnd/default.nix
+++ b/pkgs/development/libraries/libxnd/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "C library for managing typed memory blocks and Python container module";
-    homepage = https://xnd.io/;
+    homepage = "https://xnd.io/";
     license = lib.licenses.bsdOriginal;
     maintainers = with lib.maintainers; [ costrouc ];
   };
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index 05da09ec5a4..a03fca12581 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://xmlsoft.org/XSLT/;
+    homepage = "http://xmlsoft.org/XSLT/";
     description = "A C library and tools to do XSL transformations";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libyaml/default.nix b/pkgs/development/libraries/libyaml/default.nix
index 143555137d7..c555341f993 100644
--- a/pkgs/development/libraries/libyaml/default.nix
+++ b/pkgs/development/libraries/libyaml/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = with stdenv.lib; {
-    homepage = https://pyyaml.org/;
+    homepage = "https://pyyaml.org/";
     description = "A YAML 1.1 parser and emitter written in C";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libykclient/default.nix b/pkgs/development/libraries/libykclient/default.nix
index e1bf4fca7b5..ea900477f35 100644
--- a/pkgs/development/libraries/libykclient/default.nix
+++ b/pkgs/development/libraries/libykclient/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Yubikey C client library";
-    homepage = https://developers.yubico.com/yubico-c-client;
+    homepage = "https://developers.yubico.com/yubico-c-client";
     license = licenses.bsd2;
     maintainers = with maintainers; [ dtzWill ];
   };
diff --git a/pkgs/development/libraries/libykneomgr/default.nix b/pkgs/development/libraries/libykneomgr/default.nix
index be493828486..cb4f3bec011 100644
--- a/pkgs/development/libraries/libykneomgr/default.nix
+++ b/pkgs/development/libraries/libykneomgr/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://developers.yubico.com/libykneomgr;
+    homepage = "https://developers.yubico.com/libykneomgr";
     description = "A C library to interact with the CCID-part of the Yubikey NEO";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libyubikey/default.nix b/pkgs/development/libraries/libyubikey/default.nix
index 010eecb0fa9..75170d7ff8a 100644
--- a/pkgs/development/libraries/libyubikey/default.nix
+++ b/pkgs/development/libraries/libyubikey/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://opensource.yubico.com/yubico-c/;
+    homepage = "http://opensource.yubico.com/yubico-c/";
     description = "C library for manipulating Yubico YubiKey One-Time Passwords (OTPs)";
     license = licenses.bsd2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/libzapojit/default.nix b/pkgs/development/libraries/libzapojit/default.nix
index 215535fb8f1..187c163a6f1 100644
--- a/pkgs/development/libraries/libzapojit/default.nix
+++ b/pkgs/development/libraries/libzapojit/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GObject wrapper for the SkyDrive and Hotmail REST APIs";
-    homepage = https://wiki.gnome.org/Projects/Zapojit;
+    homepage = "https://wiki.gnome.org/Projects/Zapojit";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libzmf/default.nix b/pkgs/development/libraries/libzmf/default.nix
index 85b9308237f..d3cbc430efc 100644
--- a/pkgs/development/libraries/libzmf/default.nix
+++ b/pkgs/development/libraries/libzmf/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.mpl20;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.unix;
-    homepage = https://wiki.documentfoundation.org/DLP/Libraries/libzmf;
+    homepage = "https://wiki.documentfoundation.org/DLP/Libraries/libzmf";
     downloadPage = "http://dev-www.libreoffice.org/src/libzmf/";
     updateWalker = true;
   };
diff --git a/pkgs/development/libraries/lief/default.nix b/pkgs/development/libraries/lief/default.nix
index 410c60bff9f..0854987436e 100644
--- a/pkgs/development/libraries/lief/default.nix
+++ b/pkgs/development/libraries/lief/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchzip }:
 
 fetchzip {
-  url = https://github.com/lief-project/LIEF/releases/download/0.9.0/LIEF-0.9.0-Linux.tar.gz;
+  url = "https://github.com/lief-project/LIEF/releases/download/0.9.0/LIEF-0.9.0-Linux.tar.gz";
   sha256 = "1c47hwd00bp4mqd4p5b6xjfl89c3wwk9ccyc3a2gk658250g2la6";
 
   meta = with stdenv.lib; {
     description = "Library to Instrument Executable Formats";
-    homepage = https://lief.quarkslab.com/;
+    homepage = "https://lief.quarkslab.com/";
     license = [ licenses.asl20 ];
     platforms = platforms.linux;
     maintainers = [ maintainers.lassulus ];
diff --git a/pkgs/development/libraries/lightning/default.nix b/pkgs/development/libraries/lightning/default.nix
index 24d99e691a2..65d0a18cedd 100644
--- a/pkgs/development/libraries/lightning/default.nix
+++ b/pkgs/development/libraries/lightning/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = {
-    homepage = https://www.gnu.org/software/lightning/;
+    homepage = "https://www.gnu.org/software/lightning/";
     description = "Run-time code generation library";
     longDescription = ''
       GNU lightning is a library that generates assembly language code
diff --git a/pkgs/development/libraries/linbox/default.nix b/pkgs/development/libraries/linbox/default.nix
index 709a237aed9..006c774e9a1 100644
--- a/pkgs/development/libraries/linbox/default.nix
+++ b/pkgs/development/libraries/linbox/default.nix
@@ -60,6 +60,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.lgpl21Plus;
     maintainers = [stdenv.lib.maintainers.timokau];
     platforms = stdenv.lib.platforms.unix;
-    homepage = https://linalg.org/;
+    homepage = "https://linalg.org/";
   };
 }
diff --git a/pkgs/development/libraries/linenoise-ng/default.nix b/pkgs/development/libraries/linenoise-ng/default.nix
index b105aa64bff..0a2dacb48db 100644
--- a/pkgs/development/libraries/linenoise-ng/default.nix
+++ b/pkgs/development/libraries/linenoise-ng/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
 
   meta = {
-    homepage = https://github.com/arangodb/linenoise-ng;
+    homepage = "https://github.com/arangodb/linenoise-ng";
     description = "A small, portable GNU readline replacement for Linux, Windows and MacOS which is capable of handling UTF-8 characters";
     maintainers = with stdenv.lib.maintainers; [ cstrahan ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/linenoise/default.nix b/pkgs/development/libraries/linenoise/default.nix
index 0098116563a..3de9f08bf97 100644
--- a/pkgs/development/libraries/linenoise/default.nix
+++ b/pkgs/development/libraries/linenoise/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = https://github.com/antirez/linenoise;
+    homepage = "https://github.com/antirez/linenoise";
     description = "A minimal, zero-config, BSD licensed, readline replacement";
     maintainers = with stdenv.lib.maintainers; [ mpsyco ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/liquid-dsp/default.nix b/pkgs/development/libraries/liquid-dsp/default.nix
index 8c691f77591..b882e233c07 100644
--- a/pkgs/development/libraries/liquid-dsp/default.nix
+++ b/pkgs/development/libraries/liquid-dsp/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = {
-    homepage = https://liquidsdr.org/;
+    homepage = "https://liquidsdr.org/";
     description = "Digital signal processing library for software-defined radios";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/liquidfun/default.nix b/pkgs/development/libraries/liquidfun/default.nix
index 74952456e64..1beae81ad16 100644
--- a/pkgs/development/libraries/liquidfun/default.nix
+++ b/pkgs/development/libraries/liquidfun/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation {
     platforms = stdenv.lib.platforms.linux;
     hydraPlatforms = [];
     license = stdenv.lib.licenses.bsd2;
-    homepage = https://google.github.io/liquidfun/;
+    homepage = "https://google.github.io/liquidfun/";
   };
 }
 
diff --git a/pkgs/development/libraries/lirc/default.nix b/pkgs/development/libraries/lirc/default.nix
index 13fbe2b55b6..30d114122b6 100644
--- a/pkgs/development/libraries/lirc/default.nix
+++ b/pkgs/development/libraries/lirc/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Allows to receive and send infrared signals";
-    homepage = http://www.lirc.org/;
+    homepage = "http://www.lirc.org/";
     license = licenses.gpl2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ pSub ];
diff --git a/pkgs/development/libraries/lmdb/default.nix b/pkgs/development/libraries/lmdb/default.nix
index 25bac68faf6..513e842edfa 100644
--- a/pkgs/development/libraries/lmdb/default.nix
+++ b/pkgs/development/libraries/lmdb/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
       offering the persistence of standard disk-based databases, and is only
       limited to the size of the virtual address space.
     '';
-    homepage = http://symas.com/mdb/;
+    homepage = "http://symas.com/mdb/";
     maintainers = with maintainers; [ jb55 vcunat ];
     license = licenses.openldap;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/log4cplus/default.nix b/pkgs/development/libraries/log4cplus/default.nix
index 3a4b182dd94..097ff0c48c9 100644
--- a/pkgs/development/libraries/log4cplus/default.nix
+++ b/pkgs/development/libraries/log4cplus/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = http://log4cplus.sourceforge.net/;
+    homepage = "http://log4cplus.sourceforge.net/";
     description = "A port the log4j library from Java to C++";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/log4cxx/default.nix b/pkgs/development/libraries/log4cxx/default.nix
index 04b91e5d80f..cec0ec9ab28 100644
--- a/pkgs/development/libraries/log4cxx/default.nix
+++ b/pkgs/development/libraries/log4cxx/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ libtool ];
 
   meta = {
-    homepage = https://logging.apache.org/log4cxx/index.html;
+    homepage = "https://logging.apache.org/log4cxx/index.html";
     description = "A logging framework for C++ patterned after Apache log4j";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/log4shib/default.nix b/pkgs/development/libraries/log4shib/default.nix
index ccf246c044e..17046d17b78 100644
--- a/pkgs/development/libraries/log4shib/default.nix
+++ b/pkgs/development/libraries/log4shib/default.nix
@@ -16,6 +16,6 @@ stdenv.mkDerivation {
     description = "A forked version of log4cpp that has been created for the Shibboleth project";
     maintainers = [ maintainers.jammerful ];
     license = licenses.lgpl21;
-    homepage = http://log4cpp.sf.net;
+    homepage = "http://log4cpp.sf.net";
   };
 }
diff --git a/pkgs/development/libraries/loki/default.nix b/pkgs/development/libraries/loki/default.nix
index 631233f0ecb..9c7e36113d8 100644
--- a/pkgs/development/libraries/loki/default.nix
+++ b/pkgs/development/libraries/loki/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C++ library of designs, containing flexible implementations of common design patterns and idioms";
-    homepage = http://loki-lib.sourceforge.net;
+    homepage = "http://loki-lib.sourceforge.net";
     license = licenses.mit;
     platforms = platforms.all;
     maintainers = with maintainers; [ peterhoeg ];
diff --git a/pkgs/development/libraries/lrdf/default.nix b/pkgs/development/libraries/lrdf/default.nix
index 264c18b09ee..80c8702b0b9 100644
--- a/pkgs/development/libraries/lrdf/default.nix
+++ b/pkgs/development/libraries/lrdf/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Lightweight RDF library with special support for LADSPA plugins";
-    homepage = https://sourceforge.net/projects/lrdf/;
+    homepage = "https://sourceforge.net/projects/lrdf/";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/luabind/default.nix b/pkgs/development/libraries/luabind/default.nix
index 7ca7456f789..eded6b6527f 100644
--- a/pkgs/development/libraries/luabind/default.nix
+++ b/pkgs/development/libraries/luabind/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = https://github.com/luabind/luabind;
+    homepage = "https://github.com/luabind/luabind";
     description = "A library that helps you create bindings between C++ and Lua";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/lucene++/default.nix b/pkgs/development/libraries/lucene++/default.nix
index 32eec84e69e..3d54cf5e7c1 100644
--- a/pkgs/development/libraries/lucene++/default.nix
+++ b/pkgs/development/libraries/lucene++/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ port of the popular Java Lucene search engine";
-    homepage = https://github.com/luceneplusplus/LucenePlusPlus;
+    homepage = "https://github.com/luceneplusplus/LucenePlusPlus";
     license = with stdenv.lib.licenses; [ asl20 lgpl3Plus ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/lzo/default.nix b/pkgs/development/libraries/lzo/default.nix
index c7667b554f4..446f9146414 100644
--- a/pkgs/development/libraries/lzo/default.nix
+++ b/pkgs/development/libraries/lzo/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
       while still decompressing at this very high speed.
     '';
 
-    homepage = http://www.oberhumer.com/opensource/lzo;
+    homepage = "http://www.oberhumer.com/opensource/lzo";
     license = licenses.gpl2Plus;
 
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/mac/default.nix b/pkgs/development/libraries/mac/default.nix
index 7355248b5c5..a896b9261d5 100644
--- a/pkgs/development/libraries/mac/default.nix
+++ b/pkgs/development/libraries/mac/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "APE codec and decompressor";
-    homepage = http://www.deb-multimedia.org/dists/testing/main/binary-amd64/package/monkeys-audio.php;
+    homepage = "http://www.deb-multimedia.org/dists/testing/main/binary-amd64/package/monkeys-audio.php";
     license = licenses.unfreeRedistributable;
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ jfrankenau ];
diff --git a/pkgs/development/libraries/mailcore2/default.nix b/pkgs/development/libraries/mailcore2/default.nix
index 04f2208a35d..75e3439db81 100644
--- a/pkgs/development/libraries/mailcore2/default.nix
+++ b/pkgs/development/libraries/mailcore2/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "A simple and asynchronous API to work with e-mail protocols IMAP, POP and SMTP";
-    homepage    = http://libmailcore.com;
+    homepage    = "http://libmailcore.com";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ cstrahan ];
   };
diff --git a/pkgs/development/libraries/mapnik/default.nix b/pkgs/development/libraries/mapnik/default.nix
index 351b38b3345..cf0539fe266 100644
--- a/pkgs/development/libraries/mapnik/default.nix
+++ b/pkgs/development/libraries/mapnik/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An open source toolkit for developing mapping applications";
-    homepage = https://mapnik.org;
+    homepage = "https://mapnik.org";
     maintainers = with maintainers; [ hrdinka ];
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/marisa/default.nix b/pkgs/development/libraries/marisa/default.nix
index 4b06c58af5f..9a4d178d3d2 100644
--- a/pkgs/development/libraries/marisa/default.nix
+++ b/pkgs/development/libraries/marisa/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = with stdenv.lib; {
-    homepage    = https://github.com/s-yata/marisa-trie;
+    homepage    = "https://github.com/s-yata/marisa-trie";
     description = "Static and space-efficient trie data structure library";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ sifmelcara ];
diff --git a/pkgs/development/libraries/martyr/default.nix b/pkgs/development/libraries/martyr/default.nix
index cec9e5adc29..4254bfe82ea 100644
--- a/pkgs/development/libraries/martyr/default.nix
+++ b/pkgs/development/libraries/martyr/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Martyr is a Java framework around the IRC protocol to allow application writers easy manipulation of the protocol and client state";
-    homepage = http://martyr.sourceforge.net/;
+    homepage = "http://martyr.sourceforge.net/";
     license = stdenv.lib.licenses.lgpl21;
   };
 }
diff --git a/pkgs/development/libraries/matio/default.nix b/pkgs/development/libraries/matio/default.nix
index 9f8f34e0a80..e12280a088b 100644
--- a/pkgs/development/libraries/matio/default.nix
+++ b/pkgs/development/libraries/matio/default.nix
@@ -11,6 +11,6 @@ stdenv.mkDerivation rec {
     license = licenses.bsd2;
     platforms = platforms.all;
     maintainers = [ maintainers.vbgl ];
-    homepage = http://matio.sourceforge.net/;
+    homepage = "http://matio.sourceforge.net/";
   };
 }
diff --git a/pkgs/development/libraries/mbedtls/default.nix b/pkgs/development/libraries/mbedtls/default.nix
index 603b9be610a..f24232ac7ae 100644
--- a/pkgs/development/libraries/mbedtls/default.nix
+++ b/pkgs/development/libraries/mbedtls/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   cmakeFlags = [ "-DUSE_SHARED_MBEDTLS_LIBRARY=on" ];
 
   meta = with stdenv.lib; {
-    homepage = https://tls.mbed.org/;
+    homepage = "https://tls.mbed.org/";
     description = "Portable cryptographic and TLS library, formerly known as PolarSSL";
     license = licenses.asl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/mdds/default.nix b/pkgs/development/libraries/mdds/default.nix
index cdc3dfa5ca0..ce7aeb910d0 100644
--- a/pkgs/development/libraries/mdds/default.nix
+++ b/pkgs/development/libraries/mdds/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     inherit version;
-    homepage = https://gitlab.com/mdds/mdds;
+    homepage = "https://gitlab.com/mdds/mdds";
     description = "A collection of multi-dimensional data structure and indexing algorithm";
     platforms = platforms.all;
     license = licenses.mit;
diff --git a/pkgs/development/libraries/medfile/default.nix b/pkgs/development/libraries/medfile/default.nix
index 04ebfced52e..7a5688a1b71 100644
--- a/pkgs/development/libraries/medfile/default.nix
+++ b/pkgs/development/libraries/medfile/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library to read and write MED files";
-    homepage = http://salome-platform.org/;
+    homepage = "http://salome-platform.org/";
     platforms = platforms.linux;
     license = licenses.lgpl3Plus;
   };
diff --git a/pkgs/development/libraries/menu-cache/default.nix b/pkgs/development/libraries/menu-cache/default.nix
index d64b7f12312..d7b39c28a42 100644
--- a/pkgs/development/libraries/menu-cache/default.nix
+++ b/pkgs/development/libraries/menu-cache/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Library to read freedesktop.org menu files";
-    homepage = https://blog.lxde.org/tag/menu-cache/;
+    homepage = "https://blog.lxde.org/tag/menu-cache/";
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.ttuegel ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/mesa-glu/default.nix b/pkgs/development/libraries/mesa-glu/default.nix
index dd2091c8a79..adcfeead487 100644
--- a/pkgs/development/libraries/mesa-glu/default.nix
+++ b/pkgs/development/libraries/mesa-glu/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "OpenGL utility library";
-    homepage = https://cgit.freedesktop.org/mesa/glu/;
+    homepage = "https://cgit.freedesktop.org/mesa/glu/";
     license = stdenv.lib.licenses.sgi-b-20;
     platforms = stdenv.lib.platforms.unix;
     broken = stdenv.hostPlatform.isAndroid;
diff --git a/pkgs/development/libraries/mimetic/default.nix b/pkgs/development/libraries/mimetic/default.nix
index 5f4dc5eedde..06b6653f4e7 100644
--- a/pkgs/development/libraries/mimetic/default.nix
+++ b/pkgs/development/libraries/mimetic/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "MIME handling library";
-    homepage    = http://www.codesink.org/mimetic_mime_library.html;
+    homepage    = "http://www.codesink.org/mimetic_mime_library.html";
     license     = licenses.mit;
     maintainers = with maintainers; [ leenaars];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/miniball/default.nix b/pkgs/development/libraries/miniball/default.nix
index 287241a75c9..d1804b9bf95 100644
--- a/pkgs/development/libraries/miniball/default.nix
+++ b/pkgs/development/libraries/miniball/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Smallest Enclosing Balls of Points";
-    homepage = https://www.inf.ethz.ch/personal/gaertner/miniball.html;
+    homepage = "https://www.inf.ethz.ch/personal/gaertner/miniball.html";
     license = stdenv.lib.licenses.gpl3;
     maintainers = [ stdenv.lib.maintainers.erikryb ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/minixml/default.nix b/pkgs/development/libraries/minixml/default.nix
index 73b045aa964..ec575aa08fd 100644
--- a/pkgs/development/libraries/minixml/default.nix
+++ b/pkgs/development/libraries/minixml/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A small XML library";
-    homepage = https://www.msweet.org/mxml/;
+    homepage = "https://www.msweet.org/mxml/";
     license = licenses.asl20;
     platforms = platforms.linux;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 07c248fa58a..5b54e0894e1 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open source multimedia framework, designed for television broadcasting";
-    homepage = https://www.mltframework.org;
+    homepage = "https://www.mltframework.org";
     license = licenses.gpl3;
     maintainers = with maintainers; [ tohl peti ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/mlt/qt-5.nix b/pkgs/development/libraries/mlt/qt-5.nix
index cb8ee0ce849..f0b45753df0 100644
--- a/pkgs/development/libraries/mlt/qt-5.nix
+++ b/pkgs/development/libraries/mlt/qt-5.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open source multimedia framework, designed for television broadcasting";
-    homepage = https://www.mltframework.org/;
+    homepage = "https://www.mltframework.org/";
     license = licenses.gpl3;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/mongoc/default.nix b/pkgs/development/libraries/mongoc/default.nix
index 49116c349a8..d011419cea7 100644
--- a/pkgs/development/libraries/mongoc/default.nix
+++ b/pkgs/development/libraries/mongoc/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The official C client library for MongoDB";
-    homepage = https://github.com/mongodb/mongo-c-driver;
+    homepage = "https://github.com/mongodb/mongo-c-driver";
     license = licenses.asl20;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/mono-addins/default.nix b/pkgs/development/libraries/mono-addins/default.nix
index 2bba61975f9..d9c1636e59b 100644
--- a/pkgs/development/libraries/mono-addins/default.nix
+++ b/pkgs/development/libraries/mono-addins/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.mono-project.com/archived/monoaddins/;
+    homepage = "https://www.mono-project.com/archived/monoaddins/";
     description = "A generic framework for creating extensible applications";
     longDescription = ''
       Mono.Addins is a generic framework for creating extensible applications,
diff --git a/pkgs/development/libraries/motif/default.nix b/pkgs/development/libraries/motif/default.nix
index ba61cb8414a..f03ba81e868 100644
--- a/pkgs/development/libraries/motif/default.nix
+++ b/pkgs/development/libraries/motif/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
             ];
 
   meta = with stdenv.lib; {
-    homepage = https://motif.ics.com;
+    homepage = "https://motif.ics.com";
     description = "Unix standard widget-toolkit and window-manager";
     platforms = with platforms; linux ++ darwin;
     license = with licenses; [ lgpl21 ];
diff --git a/pkgs/development/libraries/movit/default.nix b/pkgs/development/libraries/movit/default.nix
index 8162d3bb911..901d299728f 100644
--- a/pkgs/development/libraries/movit/default.nix
+++ b/pkgs/development/libraries/movit/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "High-performance, high-quality video filters for the GPU";
-    homepage = https://movit.sesse.net;
+    homepage = "https://movit.sesse.net";
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/mp4v2/default.nix b/pkgs/development/libraries/mp4v2/default.nix
index f920f637960..8fe1477aa63 100644
--- a/pkgs/development/libraries/mp4v2/default.nix
+++ b/pkgs/development/libraries/mp4v2/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
       as defined by ISO-IEC:14496-1:2001 MPEG-4 Systems.
       This container format is derived from Apple's QuickTime format.
     '';
-    homepage = https://code.google.com/archive/p/mp4v2/;
+    homepage = "https://code.google.com/archive/p/mp4v2/";
     maintainers = [ lib.maintainers.Anton-Latukha ];
     platforms = lib.platforms.unix;
     license = lib.licenses.mpl11;
diff --git a/pkgs/development/libraries/mpfi/default.nix b/pkgs/development/libraries/mpfi/default.nix
index fe46336649e..88617e9a740 100644
--- a/pkgs/development/libraries/mpfi/default.nix
+++ b/pkgs/development/libraries/mpfi/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = {
     inherit version;
     description = ''A multiple precision interval arithmetic library based on MPFR'';
-    homepage = https://gforge.inria.fr/projects/mpfi/;
+    homepage = "https://gforge.inria.fr/projects/mpfi/";
     license = stdenv.lib.licenses.lgpl21Plus;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/mpfr/default.nix b/pkgs/development/libraries/mpfr/default.nix
index a91d220be33..ceba71ae06a 100644
--- a/pkgs/development/libraries/mpfr/default.nix
+++ b/pkgs/development/libraries/mpfr/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://www.mpfr.org/;
+    homepage = "https://www.mpfr.org/";
     description = "Library for multiple-precision floating-point arithmetic";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/mpich/default.nix b/pkgs/development/libraries/mpich/default.nix
index 21803de5e06..0c1ea8be1c8 100644
--- a/pkgs/development/libraries/mpich/default.nix
+++ b/pkgs/development/libraries/mpich/default.nix
@@ -44,9 +44,9 @@ stdenv.mkDerivation  rec {
       the Message Passing Interface (MPI) standard, both version 1 and
       version 2.
     '';
-    homepage = http://www.mcs.anl.gov/mpi/mpich2/;
+    homepage = "http://www.mcs.anl.gov/mpi/mpich2/";
     license = {
-      url = http://git.mpich.org/mpich.git/blob/a385d6d0d55e83c3709ae851967ce613e892cd21:/COPYRIGHT;
+      url = "http://git.mpich.org/mpich.git/blob/a385d6d0d55e83c3709ae851967ce613e892cd21:/COPYRIGHT";
       fullName = "MPICH license (permissive)";
     };
     maintainers = [ maintainers.markuskowa ];
diff --git a/pkgs/development/libraries/mpir/default.nix b/pkgs/development/libraries/mpir/default.nix
index 3b40f02c01c..8da59530ea5 100644
--- a/pkgs/development/libraries/mpir/default.nix
+++ b/pkgs/development/libraries/mpir/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.unix;
     downloadPage = "http://mpir.org/downloads.html";
-    homepage = http://mpir.org/;
+    homepage = "http://mpir.org/";
     updateWalker = true;
   };
 }
diff --git a/pkgs/development/libraries/msgpack/generic.nix b/pkgs/development/libraries/msgpack/generic.nix
index c8ea3315f8b..4cb743a38f8 100644
--- a/pkgs/development/libraries/msgpack/generic.nix
+++ b/pkgs/development/libraries/msgpack/generic.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "MessagePack implementation for C and C++";
-    homepage    = https://msgpack.org;
+    homepage    = "https://msgpack.org";
     license     = licenses.asl20;
     maintainers = with maintainers; [ redbaron ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/msgpuck/default.nix b/pkgs/development/libraries/msgpuck/default.nix
index 0ce4870272c..26066f1194f 100644
--- a/pkgs/development/libraries/msgpuck/default.nix
+++ b/pkgs/development/libraries/msgpuck/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
      description = ''A simple and efficient MsgPack binary serialization library in a self-contained header file'';
-     homepage = https://github.com/rtsisyk/msgpuck;
+     homepage = "https://github.com/rtsisyk/msgpuck";
      license = licenses.bsd2;
      platforms = platforms.linux;
      maintainers = with maintainers; [ izorkin ];
diff --git a/pkgs/development/libraries/mtdev/default.nix b/pkgs/development/libraries/mtdev/default.nix
index 7974e14040c..5c04c6a6942 100644
--- a/pkgs/development/libraries/mtdev/default.nix
+++ b/pkgs/development/libraries/mtdev/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://bitmath.org/code/mtdev/;
+    homepage = "http://bitmath.org/code/mtdev/";
     description = "Multitouch Protocol Translation Library";
     longDescription = ''
       The mtdev is a stand-alone library which transforms all variants of
diff --git a/pkgs/development/libraries/mtxclient/default.nix b/pkgs/development/libraries/mtxclient/default.nix
index da41aceeef5..c4d86220081 100644
--- a/pkgs/development/libraries/mtxclient/default.nix
+++ b/pkgs/development/libraries/mtxclient/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Client API library for Matrix, built on top of Boost.Asio";
-    homepage = https://github.com/Nheko-Reborn/mtxclient;
+    homepage = "https://github.com/Nheko-Reborn/mtxclient";
     license = licenses.mit;
     maintainers = with maintainers; [ fpletz ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/multipart-parser-c/default.nix b/pkgs/development/libraries/multipart-parser-c/default.nix
index 8808ccefeaf..e641b404a86 100644
--- a/pkgs/development/libraries/multipart-parser-c/default.nix
+++ b/pkgs/development/libraries/multipart-parser-c/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Http multipart parser implemented in C ";
-    homepage = https://github.com/iafonov/multipart-parser-c;
+    homepage = "https://github.com/iafonov/multipart-parser-c";
     license = [ stdenv.lib.licenses.mit ];
   };
 
diff --git a/pkgs/development/libraries/muparser/default.nix b/pkgs/development/libraries/muparser/default.nix
index 4d3fe41dff8..8aac20e19d0 100644
--- a/pkgs/development/libraries/muparser/default.nix
+++ b/pkgs/development/libraries/muparser/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   ] ++ stdenv.lib.optionals stdenv.isDarwin [setfile];
 
   meta = {
-    homepage = http://muparser.sourceforge.net;
+    homepage = "http://muparser.sourceforge.net";
     description = "An extensible high performance math expression parser library written in C++";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
diff --git a/pkgs/development/libraries/mutest/default.nix b/pkgs/development/libraries/mutest/default.nix
index 37bfb05c4ee..ae40ab9f895 100644
--- a/pkgs/development/libraries/mutest/default.nix
+++ b/pkgs/development/libraries/mutest/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://ebassi.github.io/mutest/mutest.md.html;
+    homepage = "https://ebassi.github.io/mutest/mutest.md.html";
     description = "A BDD testing framework for C, inspired by Mocha";
     license = licenses.mit;
     maintainers = with maintainers; [ jtojnar worldofpeace ];
diff --git a/pkgs/development/libraries/mygui/default.nix b/pkgs/development/libraries/mygui/default.nix
index c277b7934b9..94c578f6c26 100644
--- a/pkgs/development/libraries/mygui/default.nix
+++ b/pkgs/development/libraries/mygui/default.nix
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
   cmakeFlags = [ "-DMYGUI_BUILD_TOOLS=OFF" "-DMYGUI_BUILD_DEMOS=OFF" "-DMYGUI_RENDERSYSTEM=${renderSystem}" ];
 
   meta = with stdenv.lib; {
-    homepage = http://mygui.info/;
+    homepage = "http://mygui.info/";
     description = "Library for creating GUIs for games and 3D applications";
     license = licenses.lgpl3Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/mysocketw/default.nix b/pkgs/development/libraries/mysocketw/default.nix
index 8164f4ec972..1e2e3982d55 100644
--- a/pkgs/development/libraries/mysocketw/default.nix
+++ b/pkgs/development/libraries/mysocketw/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "mysocketw-031026";
   src = fetchurl {
-    url = http://www.digitalfanatics.org/cal/socketw/files/SocketW031026.tar.gz;
+    url = "http://www.digitalfanatics.org/cal/socketw/files/SocketW031026.tar.gz";
     sha256 = "0crinikhdl7xihzmc3k3k41pgxy16d5ci8m9sza1lbibns7pdwj4";
   };
 
diff --git a/pkgs/development/libraries/mythes/default.nix b/pkgs/development/libraries/mythes/default.nix
index 01bf863bbbb..1cd8612c3bb 100644
--- a/pkgs/development/libraries/mythes/default.nix
+++ b/pkgs/development/libraries/mythes/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ ncurses pkgconfig perl ];
 
   meta = {
-    homepage = http://hunspell.sourceforge.net/;
+    homepage = "http://hunspell.sourceforge.net/";
     description = "Thesaurus library from Hunspell project";
     license = stdenv.lib.licenses.bsd3;
     inherit (hunspell.meta) platforms;
diff --git a/pkgs/development/libraries/nanomsg/default.nix b/pkgs/development/libraries/nanomsg/default.nix
index 94bc8186f30..7e96d60840d 100644
--- a/pkgs/development/libraries/nanomsg/default.nix
+++ b/pkgs/development/libraries/nanomsg/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description= "Socket library that provides several common communication patterns";
-    homepage = https://nanomsg.org/;
+    homepage = "https://nanomsg.org/";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/ncurses/default.nix b/pkgs/development/libraries/ncurses/default.nix
index 8b91246b6fd..0e75bfbd5b5 100644
--- a/pkgs/development/libraries/ncurses/default.nix
+++ b/pkgs/development/libraries/ncurses/default.nix
@@ -165,7 +165,7 @@ stdenv.mkDerivation rec {
       ported to OS/2 Warp!
     '';
 
-    homepage = https://www.gnu.org/software/ncurses/;
+    homepage = "https://www.gnu.org/software/ncurses/";
 
     license = lib.licenses.mit;
     platforms = lib.platforms.all;
diff --git a/pkgs/development/libraries/ndn-cxx/default.nix b/pkgs/development/libraries/ndn-cxx/default.nix
index 7f08d0a7535..d461535ecef 100644
--- a/pkgs/development/libraries/ndn-cxx/default.nix
+++ b/pkgs/development/libraries/ndn-cxx/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
     "--boost-libs=${boost.out}/lib"
   ];
   meta = with stdenv.lib; {
-    homepage = http://named-data.net/;
+    homepage = "http://named-data.net/";
     description = "A Named Data Neworking (NDN) or Content Centric Networking (CCN) abstraction";
     longDescription = ''
       ndn-cxx is a C++ library, implementing Named Data Networking (NDN)
diff --git a/pkgs/development/libraries/ndpi/default.nix b/pkgs/development/libraries/ndpi/default.nix
index d813d6c519c..c10b396fe0b 100644
--- a/pkgs/development/libraries/ndpi/default.nix
+++ b/pkgs/development/libraries/ndpi/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
     longDescription = ''
       nDPI is a library for deep-packet inspection based on OpenDPI.
     '';
-    homepage = https://www.ntop.org/products/deep-packet-inspection/ndpi/;
+    homepage = "https://www.ntop.org/products/deep-packet-inspection/ndpi/";
     license = with licenses; lgpl3;
     maintainers = with maintainers; [ takikawa ];
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/neardal/default.nix b/pkgs/development/libraries/neardal/default.nix
index a79c42a1c8f..6f0dbf032a9 100644
--- a/pkgs/development/libraries/neardal/default.nix
+++ b/pkgs/development/libraries/neardal/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "C APIs to exchange datas with the NFC daemon 'Neard'";
     license = licenses.lgpl2;
-    homepage = https://01.org/linux-nfc;
+    homepage = "https://01.org/linux-nfc";
     maintainers = with maintainers; [ tstrobel ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/neon/0.29.nix b/pkgs/development/libraries/neon/0.29.nix
index fbffb138e96..c60f5e60fb8 100644
--- a/pkgs/development/libraries/neon/0.29.nix
+++ b/pkgs/development/libraries/neon/0.29.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An HTTP and WebDAV client library";
-    homepage = http://www.webdav.org/neon/;
+    homepage = "http://www.webdav.org/neon/";
     platforms = platforms.unix;
     license = licenses.lgpl2;
   };
diff --git a/pkgs/development/libraries/netcdf-cxx4/default.nix b/pkgs/development/libraries/netcdf-cxx4/default.nix
index 665145a92ac..526e02e8907 100644
--- a/pkgs/development/libraries/netcdf-cxx4/default.nix
+++ b/pkgs/development/libraries/netcdf-cxx4/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ API to manipulate netcdf files";
-    homepage = https://www.unidata.ucar.edu/software/netcdf/;
+    homepage = "https://www.unidata.ucar.edu/software/netcdf/";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/netcdf-fortran/default.nix b/pkgs/development/libraries/netcdf-fortran/default.nix
index c9c52636a5b..ab10c686163 100644
--- a/pkgs/development/libraries/netcdf-fortran/default.nix
+++ b/pkgs/development/libraries/netcdf-fortran/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Fortran API to manipulate netcdf files";
-    homepage = https://www.unidata.ucar.edu/software/netcdf/;
+    homepage = "https://www.unidata.ucar.edu/software/netcdf/";
     license = licenses.free;
     maintainers = [ maintainers.bzizou ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/netcdf/default.nix b/pkgs/development/libraries/netcdf/default.nix
index 1436fb02127..59d6888e2de 100644
--- a/pkgs/development/libraries/netcdf/default.nix
+++ b/pkgs/development/libraries/netcdf/default.nix
@@ -47,9 +47,9 @@ in stdenv.mkDerivation rec {
   meta = {
       description = "Libraries for the Unidata network Common Data Format";
       platforms = stdenv.lib.platforms.unix;
-      homepage = https://www.unidata.ucar.edu/software/netcdf/;
+      homepage = "https://www.unidata.ucar.edu/software/netcdf/";
       license = {
-        url = https://www.unidata.ucar.edu/software/netcdf/docs/copyright.html;
+        url = "https://www.unidata.ucar.edu/software/netcdf/docs/copyright.html";
       };
   };
 }
diff --git a/pkgs/development/libraries/nettle/generic.nix b/pkgs/development/libraries/nettle/generic.nix
index 9939cbf6067..4c3c6d04ca8 100644
--- a/pkgs/development/libraries/nettle/generic.nix
+++ b/pkgs/development/libraries/nettle/generic.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation ({
 
      license = licenses.gpl2Plus;
 
-     homepage = http://www.lysator.liu.se/~nisse/nettle/;
+     homepage = "http://www.lysator.liu.se/~nisse/nettle/";
 
      platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/newt/default.nix b/pkgs/development/libraries/newt/default.nix
index 60dc00a335d..0dade017d08 100644
--- a/pkgs/development/libraries/newt/default.nix
+++ b/pkgs/development/libraries/newt/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://fedorahosted.org/newt/;
+    homepage = "https://fedorahosted.org/newt/";
     description = "Library for color text mode, widget based user interfaces";
 
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/nghttp2/default.nix b/pkgs/development/libraries/nghttp2/default.nix
index eae4563cf80..939f137ac3e 100644
--- a/pkgs/development/libraries/nghttp2/default.nix
+++ b/pkgs/development/libraries/nghttp2/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
   #doCheck = true;  # requires CUnit ; currently failing at test_util_localtime_date in util_test.cc
 
   meta = with stdenv.lib; {
-    homepage = https://nghttp2.org/;
+    homepage = "https://nghttp2.org/";
     description = "A C implementation of HTTP/2";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/ngt/default.nix b/pkgs/development/libraries/ngt/default.nix
index c66eceb5e7f..114a438ea1e 100644
--- a/pkgs/development/libraries/ngt/default.nix
+++ b/pkgs/development/libraries/ngt/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/yahoojapan/NGT;
+    homepage = "https://github.com/yahoojapan/NGT";
     description = "Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data";
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.asl20;
diff --git a/pkgs/development/libraries/nix-plugins/default.nix b/pkgs/development/libraries/nix-plugins/default.nix
index 442fcf2e761..f7a608d5c0a 100644
--- a/pkgs/development/libraries/nix-plugins/default.nix
+++ b/pkgs/development/libraries/nix-plugins/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Collection of miscellaneous plugins for the nix expression language";
-    homepage = https://github.com/shlevy/nix-plugins;
+    homepage = "https://github.com/shlevy/nix-plugins";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/libraries/nlohmann_json/default.nix b/pkgs/development/libraries/nlohmann_json/default.nix
index 43a7cf15c15..a4e76506a22 100644
--- a/pkgs/development/libraries/nlohmann_json/default.nix
+++ b/pkgs/development/libraries/nlohmann_json/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Header only C++ library for the JSON file format";
-    homepage = https://github.com/nlohmann/json;
+    homepage = "https://github.com/nlohmann/json";
     license = licenses.mit;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/npapi-sdk/default.nix b/pkgs/development/libraries/npapi-sdk/default.nix
index 2cbf88633e7..c3ef724501e 100644
--- a/pkgs/development/libraries/npapi-sdk/default.nix
+++ b/pkgs/development/libraries/npapi-sdk/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "A bundle of NPAPI headers by Mozilla";
 
-    homepage = https://bitbucket.org/mgorny/npapi-sdk; # see also https://github.com/mozilla/npapi-sdk
+    homepage = "https://bitbucket.org/mgorny/npapi-sdk"; # see also https://github.com/mozilla/npapi-sdk
     license = licenses.bsd3;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/npth/default.nix b/pkgs/development/libraries/npth/default.nix
index c02998184fc..51512a16057 100644
--- a/pkgs/development/libraries/npth/default.nix
+++ b/pkgs/development/libraries/npth/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       compatible to GNU Pth.  Experience with a Windows Pth emulation showed
       that this is a solid way to provide a co-routine based framework.
     '';
-    homepage = http://www.gnupg.org;
+    homepage = "http://www.gnupg.org";
     license = licenses.lgpl3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/nspr/default.nix b/pkgs/development/libraries/nspr/default.nix
index 5733fd41d6a..31a9f7f20d1 100644
--- a/pkgs/development/libraries/nspr/default.nix
+++ b/pkgs/development/libraries/nspr/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.mozilla.org/projects/nspr/;
+    homepage = "http://www.mozilla.org/projects/nspr/";
     description = "Netscape Portable Runtime, a platform-neutral API for system-level and libc-like functions";
     platforms = platforms.all;
     license = licenses.mpl20;
diff --git a/pkgs/development/libraries/nss/default.nix b/pkgs/development/libraries/nss/default.nix
index 3b3f522fdb9..8dbef28804a 100644
--- a/pkgs/development/libraries/nss/default.nix
+++ b/pkgs/development/libraries/nss/default.nix
@@ -2,7 +2,7 @@
 
 let
   nssPEM = fetchurl {
-    url = http://dev.gentoo.org/~polynomial-c/mozilla/nss-3.15.4-pem-support-20140109.patch.xz;
+    url = "http://dev.gentoo.org/~polynomial-c/mozilla/nss-3.15.4-pem-support-20140109.patch.xz";
     sha256 = "10ibz6y0hknac15zr6dw4gv9nb5r5z9ym6gq18j3xqx7v7n3vpdw";
   };
   version = "3.51";
@@ -132,7 +132,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://developer.mozilla.org/en-US/docs/NSS;
+    homepage = "https://developer.mozilla.org/en-US/docs/NSS";
     description = "A set of libraries for development of security-enabled client and server applications";
     license = licenses.mpl20;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/ntl/default.nix b/pkgs/development/libraries/ntl/default.nix
index a4d1e275a0a..0d9d39f3958 100644
--- a/pkgs/development/libraries/ntl/default.nix
+++ b/pkgs/development/libraries/ntl/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
     '';
     # Upstream contact: maintainer is victorshoup on GitHub. Alternatively the
     # email listed on the homepage.
-    homepage = http://www.shoup.net/ntl/;
+    homepage = "http://www.shoup.net/ntl/";
     # also locally at "${src}/doc/tour-changes.html";
     changelog = "https://www.shoup.net/ntl/doc/tour-changes.html";
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/ntrack/default.nix b/pkgs/development/libraries/ntrack/default.nix
index 803906b1343..17a294adc4b 100644
--- a/pkgs/development/libraries/ntrack/default.nix
+++ b/pkgs/development/libraries/ntrack/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Network Connectivity Tracking library for Desktop Applications";
-    homepage = https://launchpad.net/ntrack;
+    homepage = "https://launchpad.net/ntrack";
     platforms = platforms.linux;
     license = licenses.lgpl3Plus;
   };
diff --git a/pkgs/development/libraries/nvidia-texture-tools/default.nix b/pkgs/development/libraries/nvidia-texture-tools/default.nix
index 70c48631981..f9b745e882f 100644
--- a/pkgs/development/libraries/nvidia-texture-tools/default.nix
+++ b/pkgs/development/libraries/nvidia-texture-tools/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A set of cuda-enabled texture tools and compressors";
-    homepage = https://github.com/castano/nvidia-texture-tools;
+    homepage = "https://github.com/castano/nvidia-texture-tools";
     license = licenses.mit;
     platforms = platforms.unix;
     broken = stdenv.isAarch64;
diff --git a/pkgs/development/libraries/nvidia-video-sdk/default.nix b/pkgs/development/libraries/nvidia-video-sdk/default.nix
index b7d46cd5537..d08f7185588 100644
--- a/pkgs/development/libraries/nvidia-video-sdk/default.nix
+++ b/pkgs/development/libraries/nvidia-video-sdk/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "The NVIDIA Video Codec SDK";
-    homepage = https://developer.nvidia.com/nvidia-video-codec-sdk;
+    homepage = "https://developer.nvidia.com/nvidia-video-codec-sdk";
     license = licenses.unfree;
   };
 }
diff --git a/pkgs/development/libraries/ocl-icd/default.nix b/pkgs/development/libraries/ocl-icd/default.nix
index 84205253554..30a8790b99a 100644
--- a/pkgs/development/libraries/ocl-icd/default.nix
+++ b/pkgs/development/libraries/ocl-icd/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "OpenCL ICD Loader for ${opencl-headers.name}";
-    homepage    = https://forge.imag.fr/projects/ocl-icd/;
+    homepage    = "https://forge.imag.fr/projects/ocl-icd/";
     license     = licenses.bsd2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/ode/default.nix b/pkgs/development/libraries/ode/default.nix
index a540d89ed3b..d6047d1b192 100644
--- a/pkgs/development/libraries/ode/default.nix
+++ b/pkgs/development/libraries/ode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open Dynamics Engine";
-    homepage = https://sourceforge.net/projects/opende;
+    homepage = "https://sourceforge.net/projects/opende";
     platforms = platforms.linux;
     license = with licenses; [ bsd3 lgpl21 lgpl3 zlib ];
   };
diff --git a/pkgs/development/libraries/ogre/1.10.x.nix b/pkgs/development/libraries/ogre/1.10.x.nix
index b66759524fa..fe23181cfc6 100644
--- a/pkgs/development/libraries/ogre/1.10.x.nix
+++ b/pkgs/development/libraries/ogre/1.10.x.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A 3D engine";
-    homepage = https://www.ogre3d.org/;
+    homepage = "https://www.ogre3d.org/";
     maintainers = [ stdenv.lib.maintainers.raskin ];
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/ogre/1.9.x.nix b/pkgs/development/libraries/ogre/1.9.x.nix
index ced01580185..29c83a2962e 100644
--- a/pkgs/development/libraries/ogre/1.9.x.nix
+++ b/pkgs/development/libraries/ogre/1.9.x.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A 3D engine";
-    homepage = https://www.ogre3d.org/;
+    homepage = "https://www.ogre3d.org/";
     maintainers = [ stdenv.lib.maintainers.raskin ];
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/ogre/default.nix b/pkgs/development/libraries/ogre/default.nix
index 235da872392..491ff4edddc 100644
--- a/pkgs/development/libraries/ogre/default.nix
+++ b/pkgs/development/libraries/ogre/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A 3D engine";
-    homepage = https://www.ogre3d.org/;
+    homepage = "https://www.ogre3d.org/";
     maintainers = [ stdenv.lib.maintainers.raskin ];
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/ogrepaged/default.nix b/pkgs/development/libraries/ogrepaged/default.nix
index 0844c44c8a8..e4dc186f389 100644
--- a/pkgs/development/libraries/ogrepaged/default.nix
+++ b/pkgs/development/libraries/ogrepaged/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Paged Geometry for Ogre3D";
-    homepage = https://github.com/RigsOfRods/ogre-paged;
+    homepage = "https://github.com/RigsOfRods/ogre-paged";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/ois/default.nix b/pkgs/development/libraries/ois/default.nix
index c1b065dbf2b..f750e4a685b 100644
--- a/pkgs/development/libraries/ois/default.nix
+++ b/pkgs/development/libraries/ois/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   patches = [
     (fetchurl {
-      url = http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-games/ois/files/ois-1.3-gcc47.patch;
+      url = "http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-games/ois/files/ois-1.3-gcc47.patch";
       sha256 = "026jw06n42bcrmg0sbdhzc4cqxsnf7fw30a2z9cigd9x282zhii8";
       name = "gcc47.patch";
     })
diff --git a/pkgs/development/libraries/olm/default.nix b/pkgs/development/libraries/olm/default.nix
index f63d1d30f55..c84e66608f2 100644
--- a/pkgs/development/libraries/olm/default.nix
+++ b/pkgs/development/libraries/olm/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Implements double cryptographic ratchet and Megolm ratchet";
     license = stdenv.lib.licenses.asl20;
-    homepage = https://matrix.org/git/olm/about;
+    homepage = "https://matrix.org/git/olm/about";
     platforms = with stdenv.lib.platforms; darwin ++ linux;
   };
 }
diff --git a/pkgs/development/libraries/oniguruma/default.nix b/pkgs/development/libraries/oniguruma/default.nix
index e4cbfc7f0b4..ccbb1e3a665 100644
--- a/pkgs/development/libraries/oniguruma/default.nix
+++ b/pkgs/development/libraries/oniguruma/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/kkos/oniguruma;
+    homepage = "https://github.com/kkos/oniguruma";
     description = "Regular expressions library";
     license = licenses.bsd2;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/development/libraries/opae/default.nix b/pkgs/development/libraries/opae/default.nix
index 46b03720d16..683f2c43bdc 100644
--- a/pkgs/development/libraries/opae/default.nix
+++ b/pkgs/development/libraries/opae/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open Programmable Acceleration Engine SDK";
-    homepage    = https://01.org/opae;
+    homepage    = "https://01.org/opae";
     license     = licenses.bsd3;
     platforms   = [ "x86_64-linux" ];
     maintainers = with maintainers; [ thoughtpolice ];
diff --git a/pkgs/development/libraries/openal-soft/default.nix b/pkgs/development/libraries/openal-soft/default.nix
index 20528ac9284..efc5a18f2b0 100644
--- a/pkgs/development/libraries/openal-soft/default.nix
+++ b/pkgs/development/libraries/openal-soft/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "OpenAL alternative";
-    homepage = https://kcat.strangesoft.net/openal.html;
+    homepage = "https://kcat.strangesoft.net/openal.html";
     license = licenses.lgpl2;
     maintainers = with maintainers; [ftrvxmtrx];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/openbabel/default.nix b/pkgs/development/libraries/openbabel/default.nix
index 3838e1103ba..d074db7d165 100644
--- a/pkgs/development/libraries/openbabel/default.nix
+++ b/pkgs/development/libraries/openbabel/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [
     # ARM / AArch64 fixes.
     (fetchpatch {
-      url = https://github.com/openbabel/openbabel/commit/ee11c98a655296550710db1207b294f00e168216.patch;
+      url = "https://github.com/openbabel/openbabel/commit/ee11c98a655296550710db1207b294f00e168216.patch";
       sha256 = "0wjqjrkr4pfirzzicdvlyr591vppydk572ix28jd2sagnfnf566g";
     })
   ];
diff --git a/pkgs/development/libraries/openbr/default.nix b/pkgs/development/libraries/openbr/default.nix
index 4d4505c3e70..1516e675d73 100644
--- a/pkgs/development/libraries/openbr/default.nix
+++ b/pkgs/development/libraries/openbr/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Open Source Biometric Recognition";
-    homepage = http://openbiometrics.org/;
+    homepage = "http://openbiometrics.org/";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [flosse];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/development/libraries/opencl-clang/default.nix b/pkgs/development/libraries/opencl-clang/default.nix
index 50794863def..8b7df317b2b 100644
--- a/pkgs/development/libraries/opencl-clang/default.nix
+++ b/pkgs/development/libraries/opencl-clang/default.nix
@@ -86,7 +86,7 @@ let
       ];
 
       meta = with stdenv.lib; {
-        homepage    = https://github.com/intel/opencl-clang/;
+        homepage    = "https://github.com/intel/opencl-clang/";
         description = "A clang wrapper library with an OpenCL-oriented API and the ability to compile OpenCL C kernels to SPIR-V modules";
         license     = licenses.ncsa;
         platforms   = platforms.all;
diff --git a/pkgs/development/libraries/opencollada/default.nix b/pkgs/development/libraries/opencollada/default.nix
index 9bd25bfb93a..388c473125b 100644
--- a/pkgs/development/libraries/opencollada/default.nix
+++ b/pkgs/development/libraries/opencollada/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for handling the COLLADA file format";
-    homepage = https://github.com/KhronosGroup/OpenCOLLADA/;
+    homepage = "https://github.com/KhronosGroup/OpenCOLLADA/";
     maintainers = [ stdenv.lib.maintainers.eelco ];
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/libraries/opencolorio/default.nix b/pkgs/development/libraries/opencolorio/default.nix
index 06eff9d17f3..a60051dbd5f 100644
--- a/pkgs/development/libraries/opencolorio/default.nix
+++ b/pkgs/development/libraries/opencolorio/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://opencolorio.org;
+    homepage = "https://opencolorio.org";
     description = "A color management framework for visual effects and animation";
     license = licenses.bsd3;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/opencore-amr/default.nix b/pkgs/development/libraries/opencore-amr/default.nix
index e2d34ae5f07..4848ef864bf 100644
--- a/pkgs/development/libraries/opencore-amr/default.nix
+++ b/pkgs/development/libraries/opencore-amr/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   };
   
   meta = {
-    homepage = https://opencore-amr.sourceforge.io/;
+    homepage = "https://opencore-amr.sourceforge.io/";
     description = "Library of OpenCORE Framework implementation of Adaptive Multi Rate Narrowband and Wideband (AMR-NB and AMR-WB) speech codec. 
     Library of VisualOn implementation of Adaptive Multi Rate Wideband (AMR-WB)";
     license = stdenv.lib.licenses.asl20;
diff --git a/pkgs/development/libraries/opencsg/default.nix b/pkgs/development/libraries/opencsg/default.nix
index cf46077a56c..00d489508ad 100644
--- a/pkgs/development/libraries/opencsg/default.nix
+++ b/pkgs/development/libraries/opencsg/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Constructive Solid Geometry library";
-    homepage = http://www.opencsg.org/;
+    homepage = "http://www.opencsg.org/";
     platforms = platforms.unix;
     maintainers = [ maintainers.raskin ];
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/openct/default.nix b/pkgs/development/libraries/openct/default.nix
index 5f1c2b5c6f6..f8977c1b59c 100644
--- a/pkgs/development/libraries/openct/default.nix
+++ b/pkgs/development/libraries/openct/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/OpenSC/openct/;
+    homepage = "https://github.com/OpenSC/openct/";
     license = licenses.lgpl21;
     description = "Drivers for several smart card readers";
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 642facf166a..ed337c7ebfe 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -274,7 +274,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Open Computer Vision Library with more than 500 algorithms";
-    homepage = https://opencv.org/;
+    homepage = "https://opencv.org/";
     license = with licenses; if enableUnfree then unfree else bsd3;
     maintainers = with maintainers; [mdaiter basvandijk];
     platforms = with platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index 519d4ecd215..cec8a9aa363 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -288,7 +288,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Open Computer Vision Library with more than 500 algorithms";
-    homepage = https://opencv.org/;
+    homepage = "https://opencv.org/";
     license = with licenses; if enableUnfree then unfree else bsd3;
     maintainers = with maintainers; [mdaiter basvandijk];
     platforms = with platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index ad27742d0b4..f637e730179 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -86,7 +86,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open Computer Vision Library with more than 500 algorithms";
-    homepage = https://opencv.org/;
+    homepage = "https://opencv.org/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/opendht/default.nix b/pkgs/development/libraries/opendht/default.nix
index 2abad0f705f..82cfb5c3d06 100644
--- a/pkgs/development/libraries/opendht/default.nix
+++ b/pkgs/development/libraries/opendht/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A C++11 Kademlia distributed hash table implementation";
-    homepage    = https://github.com/savoirfairelinux/opendht;
+    homepage    = "https://github.com/savoirfairelinux/opendht";
     license     = licenses.gpl3Plus;
     maintainers = with maintainers; [ taeer olynch thoughtpolice ];
     platforms   = platforms.linux;
diff --git a/pkgs/development/libraries/opendkim/default.nix b/pkgs/development/libraries/opendkim/default.nix
index 66496af12f9..7cbd85055ef 100644
--- a/pkgs/development/libraries/opendkim/default.nix
+++ b/pkgs/development/libraries/opendkim/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C library for producing DKIM-aware applications and an open source milter for providing DKIM service";
-    homepage = http://www.opendkim.org/;
+    homepage = "http://www.opendkim.org/";
     maintainers = with maintainers; [ abbradar ];
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/openfst/default.nix b/pkgs/development/libraries/openfst/default.nix
index 51ed495a995..49c3c2629c5 100644
--- a/pkgs/development/libraries/openfst/default.nix
+++ b/pkgs/development/libraries/openfst/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
       FSTs have key applications in speech recognition and synthesis, machine translation, optical character recognition,
       pattern matching, string processing, machine learning, information extraction and retrieval among others
     '';
-    homepage = http://www.openfst.org/twiki/bin/view/FST/WebHome;
+    homepage = "http://www.openfst.org/twiki/bin/view/FST/WebHome";
     license = stdenv.lib.licenses.asl20;
     maintainers = [ stdenv.lib.maintainers.dfordivam ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/openjpeg/generic.nix b/pkgs/development/libraries/openjpeg/generic.nix
index 64ed6cb58f0..07d7b19ede4 100644
--- a/pkgs/development/libraries/openjpeg/generic.nix
+++ b/pkgs/development/libraries/openjpeg/generic.nix
@@ -76,7 +76,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Open-source JPEG 2000 codec written in C language";
-    homepage = http://www.openjpeg.org/;
+    homepage = "http://www.openjpeg.org/";
     license = licenses.bsd2;
     maintainers = with maintainers; [ codyopel ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/openpa/default.nix b/pkgs/development/libraries/openpa/default.nix
index 6d53d23ae0e..46729f660b1 100644
--- a/pkgs/development/libraries/openpa/default.nix
+++ b/pkgs/development/libraries/openpa/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Atomic primitives for high performance, concurrent software";
-    homepage = https://trac.mpich.org/projects/openpa;
+    homepage = "https://trac.mpich.org/projects/openpa";
     license = stdenv.lib.licenses.mit;
     maintainers = with stdenv.lib.maintainers; [ leenaars ];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/development/libraries/openpam/default.nix b/pkgs/development/libraries/openpam/default.nix
index b217527269d..3d1cff05a08 100644
--- a/pkgs/development/libraries/openpam/default.nix
+++ b/pkgs/development/libraries/openpam/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with lib; {
-    homepage = https://www.openpam.org;
+    homepage = "https://www.openpam.org";
     description = "An open source PAM library that focuses on simplicity, correctness, and cleanliness";
     platforms = platforms.unix;
     maintainers = with maintainers; [ matthewbauer ];
diff --git a/pkgs/development/libraries/openscenegraph/default.nix b/pkgs/development/libraries/openscenegraph/default.nix
index b12ca67655b..a209c950d48 100644
--- a/pkgs/development/libraries/openscenegraph/default.nix
+++ b/pkgs/development/libraries/openscenegraph/default.nix
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A 3D graphics toolkit";
-    homepage = http://www.openscenegraph.org/;
+    homepage = "http://www.openscenegraph.org/";
     maintainers = with maintainers; [ aanderse raskin ];
     platforms = platforms.linux;
     license = "OpenSceneGraph Public License - free LGPL-based license";
diff --git a/pkgs/development/libraries/openslp/default.nix b/pkgs/development/libraries/openslp/default.nix
index 537b67c5a3c..68cb40abf72 100644
--- a/pkgs/development/libraries/openslp/default.nix
+++ b/pkgs/development/libraries/openslp/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.openslp.org/;
+    homepage = "http://www.openslp.org/";
     description = "An open-source implementation of the IETF Service Location Protocol";
     maintainers = with maintainers; [ ttuegel ];
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/openssl/chacha.nix b/pkgs/development/libraries/openssl/chacha.nix
index e2f64114716..b37142082d8 100644
--- a/pkgs/development/libraries/openssl/chacha.nix
+++ b/pkgs/development/libraries/openssl/chacha.nix
@@ -72,7 +72,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = https://www.openssl.org/;
+    homepage = "https://www.openssl.org/";
     description = "A cryptographic library that implements the SSL and TLS protocols";
     platforms = [ "x86_64-linux" ];
     maintainers = [ stdenv.lib.maintainers.cstrahan ];
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index a2a0c68c316..322034b9fa7 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -129,7 +129,7 @@ let
     '';
 
     meta = with stdenv.lib; {
-      homepage = https://www.openssl.org/;
+      homepage = "https://www.openssl.org/";
       description = "A cryptographic library that implements the SSL and TLS protocols";
       license = licenses.openssl;
       platforms = platforms.all;
diff --git a/pkgs/development/libraries/opensubdiv/default.nix b/pkgs/development/libraries/opensubdiv/default.nix
index 81ef6a3bf5d..1b97863b664 100644
--- a/pkgs/development/libraries/opensubdiv/default.nix
+++ b/pkgs/development/libraries/opensubdiv/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An Open-Source subdivision surface library";
-    homepage = http://graphics.pixar.com/opensubdiv;
+    homepage = "http://graphics.pixar.com/opensubdiv";
     platforms = lib.platforms.unix;
     maintainers = [ lib.maintainers.eelco ];
     license = lib.licenses.asl20;
diff --git a/pkgs/development/libraries/opentracing-cpp/default.nix b/pkgs/development/libraries/opentracing-cpp/default.nix
index f29972a64bd..a31350a5f96 100644
--- a/pkgs/development/libraries/opentracing-cpp/default.nix
+++ b/pkgs/development/libraries/opentracing-cpp/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ implementation of the OpenTracing API";
-    homepage = https://opentracing.io;
+    homepage = "https://opentracing.io";
     license = stdenv.lib.licenses.asl20;
     maintainers = with stdenv.lib.maintainers; [ rob ];
   };
diff --git a/pkgs/development/libraries/openwsman/default.nix b/pkgs/development/libraries/openwsman/default.nix
index 5d81bfad5cb..17df9eee84e 100644
--- a/pkgs/development/libraries/openwsman/default.nix
+++ b/pkgs/development/libraries/openwsman/default.nix
@@ -30,8 +30,8 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description  = "Openwsman server implementation and client API with bindings";
-    downloadPage = https://github.com/Openwsman/openwsman/releases;
-    homepage     = https://openwsman.github.io;
+    downloadPage = "https://github.com/Openwsman/openwsman/releases";
+    homepage     = "https://openwsman.github.io";
     license      = licenses.bsd3;
     maintainers  = with maintainers; [ deepfire ];
     platforms    = platforms.linux; # PAM is not available on Darwin
diff --git a/pkgs/development/libraries/openxr-loader/default.nix b/pkgs/development/libraries/openxr-loader/default.nix
index 5ba6c38f7c1..6ecdb30c1f2 100644
--- a/pkgs/development/libraries/openxr-loader/default.nix
+++ b/pkgs/development/libraries/openxr-loader/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Khronos OpenXR loader";
-    homepage    = https://www.khronos.org/openxr;
+    homepage    = "https://www.khronos.org/openxr";
     platforms   = platforms.linux;
     license     = licenses.asl20;
     maintainers = [ maintainers.ralith ];
diff --git a/pkgs/development/libraries/openzwave/default.nix b/pkgs/development/libraries/openzwave/default.nix
index a9dbcf9ffb2..dd7a367652d 100644
--- a/pkgs/development/libraries/openzwave/default.nix
+++ b/pkgs/development/libraries/openzwave/default.nix
@@ -53,7 +53,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "C++ library to control Z-Wave Networks via a USB Z-Wave Controller";
-    homepage = http://www.openzwave.net/;
+    homepage = "http://www.openzwave.net/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ etu ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/osip/default.nix b/pkgs/development/libraries/osip/default.nix
index a4a2a51402b..24db4c6609b 100644
--- a/pkgs/development/libraries/osip/default.nix
+++ b/pkgs/development/libraries/osip/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     license = stdenv.lib.licenses.lgpl21Plus;
-    homepage = https://www.gnu.org/software/osip/;
+    homepage = "https://www.gnu.org/software/osip/";
     description = "The GNU oSIP library, an implementation of the Session Initiation Protocol (SIP)";
     maintainers = with stdenv.lib.maintainers; [ raskin ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/osm-gps-map/default.nix b/pkgs/development/libraries/osm-gps-map/default.nix
index 14483a12f7e..e34a80e1d4a 100644
--- a/pkgs/development/libraries/osm-gps-map/default.nix
+++ b/pkgs/development/libraries/osm-gps-map/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GTK widget for displaying OpenStreetMap tiles";
-    homepage = https://nzjrs.github.io/osm-gps-map;
+    homepage = "https://nzjrs.github.io/osm-gps-map";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ hrdinka ];
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/p11-kit/default.nix b/pkgs/development/libraries/p11-kit/default.nix
index d3faa04633e..a13e6746469 100644
--- a/pkgs/development/libraries/p11-kit/default.nix
+++ b/pkgs/development/libraries/p11-kit/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
       Provides a standard configuration setup for installing
       PKCS#11 modules in such a way that they're discoverable.
     '';
-    homepage = https://p11-glue.github.io/p11-glue/p11-kit.html;
+    homepage = "https://p11-glue.github.io/p11-glue/p11-kit.html";
     platforms = platforms.all;
     license = licenses.bsd3;
   };
diff --git a/pkgs/development/libraries/pagmo2/default.nix b/pkgs/development/libraries/pagmo2/default.nix
index 67c4e75c1e1..4723292199d 100644
--- a/pkgs/development/libraries/pagmo2/default.nix
+++ b/pkgs/development/libraries/pagmo2/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = https://esa.github.io/pagmo2/;
+    homepage = "https://esa.github.io/pagmo2/";
     description = "Scientific library for massively parallel optimization";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/libraries/pango/default.nix b/pkgs/development/libraries/pango/default.nix
index f37a6972c25..358ae3df991 100644
--- a/pkgs/development/libraries/pango/default.nix
+++ b/pkgs/development/libraries/pango/default.nix
@@ -67,7 +67,7 @@ in stdenv.mkDerivation rec {
       Pango forms the core of text and font handling for GTK.
     '';
 
-    homepage = https://www.pango.org/;
+    homepage = "https://www.pango.org/";
     license = licenses.lgpl2Plus;
 
     maintainers = with maintainers; [ raskin ];
diff --git a/pkgs/development/libraries/pangolin/default.nix b/pkgs/development/libraries/pangolin/default.nix
index d788f1eff34..e9f55dd6145 100644
--- a/pkgs/development/libraries/pangolin/default.nix
+++ b/pkgs/development/libraries/pangolin/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation {
       integration, and has a flexible real-time plotter for visualising
       graphical data.
     '';
-    homepage = https://github.com/stevenlovegrove/Pangolin;
+    homepage = "https://github.com/stevenlovegrove/Pangolin";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.expipiplus1 ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/pangomm/default.nix b/pkgs/development/libraries/pangomm/default.nix
index 6cb2c070c94..5651f552dfa 100644
--- a/pkgs/development/libraries/pangomm/default.nix
+++ b/pkgs/development/libraries/pangomm/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ interface to the Pango text rendering library";
-    homepage    = https://www.pango.org/;
+    homepage    = "https://www.pango.org/";
     license     = with licenses; [ lgpl2 lgpl21 ];
     maintainers = with maintainers; [ lovek323 raskin ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/pangoxsl/default.nix b/pkgs/development/libraries/pangoxsl/default.nix
index b69ded64839..d316250411d 100644
--- a/pkgs/development/libraries/pangoxsl/default.nix
+++ b/pkgs/development/libraries/pangoxsl/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "pangoxsl-1.6.0.3";
   src = fetchurl {
-    url = mirror://sourceforge/pangopdf/pangoxsl-1.6.0.3.tar.gz;
+    url = "mirror://sourceforge/pangopdf/pangoxsl-1.6.0.3.tar.gz";
     sha256 = "1wcd553nf4nwkrfrh765cyzwj9bsg7zpkndg2hjs8mhwgx04lm8n";
   };
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Implements several of the inline properties defined by XSL that are not currently implemented by Pango.";
-    homepage = https://sourceforge.net/projects/pangopdf;
+    homepage = "https://sourceforge.net/projects/pangopdf";
     platforms = platforms.unix;
     license = licenses.lgpl2;
   };
diff --git a/pkgs/development/libraries/pcaudiolib/default.nix b/pkgs/development/libraries/pcaudiolib/default.nix
index 1831d969249..952987447b2 100644
--- a/pkgs/development/libraries/pcaudiolib/default.nix
+++ b/pkgs/development/libraries/pcaudiolib/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Provides a C API to different audio devices";
-    homepage = https://github.com/rhdunn/pcaudiolib;
+    homepage = "https://github.com/rhdunn/pcaudiolib";
     license = licenses.gpl3;
     maintainers = with maintainers; [ aske ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/pcg-c/default.nix b/pkgs/development/libraries/pcg-c/default.nix
index 58fbb26532e..550842e9f9f 100644
--- a/pkgs/development/libraries/pcg-c/default.nix
+++ b/pkgs/development/libraries/pcg-c/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A family of better random number generators";
-    homepage = http://www.pcg-random.org/;
+    homepage = "http://www.pcg-random.org/";
     license = stdenv.lib.licenses.asl20;
     longDescription = ''
       PCG is a family of simple fast space-efficient statistically good
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
     '';
     platforms = platforms.unix;
     maintainers = [ maintainers.linus ];
-    repositories.git = git://github.com/imneme/pcg-c.git;
+    repositories.git = "git://github.com/imneme/pcg-c.git";
     broken = stdenv.isi686; # https://github.com/imneme/pcg-c/issues/11
   };
 }
diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index dc14ab73dcf..8f19034c924 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -48,7 +48,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.pcre.org/;
+    homepage = "http://www.pcre.org/";
     description = "A library for Perl Compatible Regular Expressions";
     license = stdenv.lib.licenses.bsd3;
 
diff --git a/pkgs/development/libraries/pcre2/default.nix b/pkgs/development/libraries/pcre2/default.nix
index b988c4ea02c..6c5d526d523 100644
--- a/pkgs/development/libraries/pcre2/default.nix
+++ b/pkgs/development/libraries/pcre2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Perl Compatible Regular Expressions";
-    homepage = http://www.pcre.org/;
+    homepage = "http://www.pcre.org/";
     license = licenses.bsd3;
     maintainers = with maintainers; [ ttuegel ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/pdf2xml/default.nix b/pkgs/development/libraries/pdf2xml/default.nix
index c4cb57f3fa2..08d57cda6c1 100644
--- a/pkgs/development/libraries/pdf2xml/default.nix
+++ b/pkgs/development/libraries/pdf2xml/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "pdf2xml";
 
   src = fetchurl {
-      url = http://tarballs.nixos.org/pdf2xml.tar.gz;
+      url = "http://tarballs.nixos.org/pdf2xml.tar.gz";
       sha256 = "04rl7ppxqgnvxvvws669cxp478lnrdmiqj0g3m4p69bawfjc4z3w";
   };
   sourceRoot = "pdf2xml/pdf2xml";
diff --git a/pkgs/development/libraries/phash/default.nix b/pkgs/development/libraries/phash/default.nix
index 473fb3bfd48..16d19f570d1 100644
--- a/pkgs/development/libraries/phash/default.nix
+++ b/pkgs/development/libraries/phash/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     license = licenses.gpl3;
     maintainers = [maintainers.imalsogreg];
     platforms = platforms.all;
-    homepage = http://www.phash.org;
+    homepage = "http://www.phash.org";
     downloadPage = "https://github.com/clearscene/pHash";
     updateWalker = true;
   };
diff --git a/pkgs/development/libraries/phonon/backends/gstreamer.nix b/pkgs/development/libraries/phonon/backends/gstreamer.nix
index d79078c2836..5c0901596b0 100644
--- a/pkgs/development/libraries/phonon/backends/gstreamer.nix
+++ b/pkgs/development/libraries/phonon/backends/gstreamer.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   version = "4.10.0";
 
   meta = with stdenv.lib; {
-    homepage = https://phonon.kde.org/;
+    homepage = "https://phonon.kde.org/";
     description = "GStreamer backend for Phonon";
     platforms = platforms.linux;
     maintainers = with maintainers; [ ttuegel ];
diff --git a/pkgs/development/libraries/phonon/backends/vlc.nix b/pkgs/development/libraries/phonon/backends/vlc.nix
index 9ed137e4f45..d152afd4534 100644
--- a/pkgs/development/libraries/phonon/backends/vlc.nix
+++ b/pkgs/development/libraries/phonon/backends/vlc.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   version = "0.11.1";
 
   meta = with stdenv.lib; {
-    homepage = https://phonon.kde.org/;
+    homepage = "https://phonon.kde.org/";
     description = "GStreamer backend for Phonon";
     platforms = platforms.linux;
     license = with licenses; [ bsd3 lgpl2Plus ];
diff --git a/pkgs/development/libraries/phonon/default.nix b/pkgs/development/libraries/phonon/default.nix
index 86e3caaa148..bb43604db0c 100644
--- a/pkgs/development/libraries/phonon/default.nix
+++ b/pkgs/development/libraries/phonon/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   version = "4.11.1";
 
   meta = {
-    homepage = https://phonon.kde.org/;
+    homepage = "https://phonon.kde.org/";
     description = "Multimedia API for Qt";
     license = stdenv.lib.licenses.lgpl2;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/physfs/default.nix b/pkgs/development/libraries/physfs/default.nix
index cf9e201b3f6..66f2d433ee3 100644
--- a/pkgs/development/libraries/physfs/default.nix
+++ b/pkgs/development/libraries/physfs/default.nix
@@ -29,7 +29,7 @@ let
     '';
 
     meta = with stdenv.lib; {
-      homepage = http://icculus.org/physfs/;
+      homepage = "http://icculus.org/physfs/";
       description = "Library to provide abstract access to various archives";
       license = licenses.free;
       platforms = platforms.linux;
diff --git a/pkgs/development/libraries/physics/apfel/default.nix b/pkgs/development/libraries/physics/apfel/default.nix
index 4ebfd6fbfa3..7b201cf9b16 100644
--- a/pkgs/development/libraries/physics/apfel/default.nix
+++ b/pkgs/development/libraries/physics/apfel/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "A PDF Evolution Library";
     license     = licenses.gpl3;
-    homepage    = https://apfel.mi.infn.it/;
+    homepage    = "https://apfel.mi.infn.it/";
     platforms   = platforms.unix;
     maintainers = with maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/apfelgrid/default.nix b/pkgs/development/libraries/physics/apfelgrid/default.nix
index 2ba87024bc5..5c63ce7c4b9 100644
--- a/pkgs/development/libraries/physics/apfelgrid/default.nix
+++ b/pkgs/development/libraries/physics/apfelgrid/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Ultra-fast theory predictions for collider observables";
     license     = licenses.mit;
-    homepage    = http://nhartland.github.io/APFELgrid/;
+    homepage    = "http://nhartland.github.io/APFELgrid/";
     platforms   = platforms.unix;
     maintainers = with maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/applgrid/default.nix b/pkgs/development/libraries/physics/applgrid/default.nix
index 3e2a53d81dd..6b1bc71c660 100644
--- a/pkgs/development/libraries/physics/applgrid/default.nix
+++ b/pkgs/development/libraries/physics/applgrid/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "The APPLgrid project provides a fast and flexible way to reproduce the results of full NLO calculations with any input parton distribution set in only a few milliseconds rather than the weeks normally required to gain adequate statistics";
     license     = licenses.gpl3;
-    homepage    = http://applgrid.hepforge.org;
+    homepage    = "http://applgrid.hepforge.org";
     platforms   = platforms.unix;
     maintainers = with maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/cernlib/default.nix b/pkgs/development/libraries/physics/cernlib/default.nix
index bd43ae44204..c6a9835d13b 100644
--- a/pkgs/development/libraries/physics/cernlib/default.nix
+++ b/pkgs/development/libraries/physics/cernlib/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
   setupHook = ./setup-hook.sh;
 
   meta = {
-    homepage = http://cernlib.web.cern.ch;
+    homepage = "http://cernlib.web.cern.ch";
     description = "Legacy collection of libraries and modules for data analysis in high energy physics";
     broken = stdenv.isDarwin;
     platforms = [ "i686-linux" "x86_64-linux" "x86_64-darwin" ];
diff --git a/pkgs/development/libraries/physics/fastjet/default.nix b/pkgs/development/libraries/physics/fastjet/default.nix
index 96eb13d11cd..3dfbaa96d31 100644
--- a/pkgs/development/libraries/physics/fastjet/default.nix
+++ b/pkgs/development/libraries/physics/fastjet/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A software package for jet finding in pp and e+e− collisions";
     license     = stdenv.lib.licenses.gpl2Plus;
-    homepage    = http://fastjet.fr/;
+    homepage    = "http://fastjet.fr/";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/fastnlo/default.nix b/pkgs/development/libraries/physics/fastnlo/default.nix
index 5ef446319a8..22251e10a4f 100644
--- a/pkgs/development/libraries/physics/fastnlo/default.nix
+++ b/pkgs/development/libraries/physics/fastnlo/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A computer code to create and evaluate fast interpolation tables of pre-computed coefficients in perturbation theory for observables in hadron-induced processes";
     license      = stdenv.lib.licenses.gpl3;
-    homepage     = http://fastnlo.hepforge.org;
+    homepage     = "http://fastnlo.hepforge.org";
     platforms    = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/geant4/default.nix b/pkgs/development/libraries/physics/geant4/default.nix
index 1897071b125..8c7ff230e01 100644
--- a/pkgs/development/libraries/physics/geant4/default.nix
+++ b/pkgs/development/libraries/physics/geant4/default.nix
@@ -99,7 +99,7 @@ stdenv.mkDerivation rec {
       Its areas of application include high energy, nuclear and accelerator physics, as well as studies in medical and space science.
       The two main reference papers for Geant4 are published in Nuclear Instruments and Methods in Physics Research A 506 (2003) 250-303, and IEEE Transactions on Nuclear Science 53 No. 1 (2006) 270-278.
     '';
-    homepage = http://www.geant4.org;
+    homepage = "http://www.geant4.org";
     license = licenses.g4sl;
     maintainers = with maintainers; [ tmplt omnipotententity ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/physics/geant4/g4py/default.nix b/pkgs/development/libraries/physics/geant4/g4py/default.nix
index 69fb5a99738..4937cc0eca9 100644
--- a/pkgs/development/libraries/physics/geant4/g4py/default.nix
+++ b/pkgs/development/libraries/physics/geant4/g4py/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation {
       506 (2003) 250-303, and IEEE Transactions on Nuclear Science 53 No. 1
       (2006) 270-278.
     '';
-    homepage = http://www.geant4.org;
+    homepage = "http://www.geant4.org";
     license = stdenv.lib.licenses.g4sl;
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/physics/hepmc2/default.nix b/pkgs/development/libraries/physics/hepmc2/default.nix
index 665cd417dc0..41908e0383b 100644
--- a/pkgs/development/libraries/physics/hepmc2/default.nix
+++ b/pkgs/development/libraries/physics/hepmc2/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "The HepMC package is an object oriented event record written in C++ for High Energy Physics Monte Carlo Generators";
     license     = stdenv.lib.licenses.gpl2;
-    homepage    = http://hepmc.web.cern.ch/hepmc/;
+    homepage    = "http://hepmc.web.cern.ch/hepmc/";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/herwig/default.nix b/pkgs/development/libraries/physics/herwig/default.nix
index d52f92d9639..2ea259c2b71 100644
--- a/pkgs/development/libraries/physics/herwig/default.nix
+++ b/pkgs/development/libraries/physics/herwig/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A multi-purpose particle physics event generator";
-    homepage = https://herwig.hepforge.org/;
+    homepage = "https://herwig.hepforge.org/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ veprbl ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/physics/hoppet/default.nix b/pkgs/development/libraries/physics/hoppet/default.nix
index 9e68fbd3fc4..6ac3b950be3 100644
--- a/pkgs/development/libraries/physics/hoppet/default.nix
+++ b/pkgs/development/libraries/physics/hoppet/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Higher Order Perturbative Parton Evolution Toolkit";
     license     = licenses.gpl2;
-    homepage    = https://hoppet.hepforge.org;
+    homepage    = "https://hoppet.hepforge.org";
     platforms   = platforms.unix;
     maintainers = with maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/lhapdf/default.nix b/pkgs/development/libraries/physics/lhapdf/default.nix
index dff9fb1c1dd..8d4e91265f5 100644
--- a/pkgs/development/libraries/physics/lhapdf/default.nix
+++ b/pkgs/development/libraries/physics/lhapdf/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A general purpose interpolator, used for evaluating Parton Distribution Functions from discretised data files";
     license     = stdenv.lib.licenses.gpl2;
-    homepage    = http://lhapdf.hepforge.org;
+    homepage    = "http://lhapdf.hepforge.org";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/mcgrid/default.nix b/pkgs/development/libraries/physics/mcgrid/default.nix
index 74b4ba4224e..27d8197a436 100644
--- a/pkgs/development/libraries/physics/mcgrid/default.nix
+++ b/pkgs/development/libraries/physics/mcgrid/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A software package that provides access to the APPLgrid and fastNLO interpolation tools for Monte Carlo event generator codes, allowing for fast and flexible variations of scales, coupling parameters and PDFs in cutting edge leading- and next-to-leading-order QCD calculations";
     license     = stdenv.lib.licenses.gpl3;
-    homepage    = http://mcgrid.hepforge.org;
+    homepage    = "http://mcgrid.hepforge.org";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/mela/default.nix b/pkgs/development/libraries/physics/mela/default.nix
index 1518c23718a..1e31577026c 100644
--- a/pkgs/development/libraries/physics/mela/default.nix
+++ b/pkgs/development/libraries/physics/mela/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "a Mellin Evolution LibrAry";
     license     = licenses.gpl3;
-    homepage    = https://github.com/vbertone/MELA;
+    homepage    = "https://github.com/vbertone/MELA";
     platforms   = platforms.unix;
     maintainers = with maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/pythia/default.nix b/pkgs/development/libraries/physics/pythia/default.nix
index c37d4b9d2f1..c10e81b9a0e 100644
--- a/pkgs/development/libraries/physics/pythia/default.nix
+++ b/pkgs/development/libraries/physics/pythia/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A program for the generation of high-energy physics events";
     license     = stdenv.lib.licenses.gpl2;
-    homepage    = http://home.thep.lu.se/~torbjorn/Pythia.html;
+    homepage    = "http://home.thep.lu.se/~torbjorn/Pythia.html";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/qcdnum/default.nix b/pkgs/development/libraries/physics/qcdnum/default.nix
index e962303f5f0..c1252622393 100644
--- a/pkgs/development/libraries/physics/qcdnum/default.nix
+++ b/pkgs/development/libraries/physics/qcdnum/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "QCDNUM is a very fast QCD evolution program written in FORTRAN77";
     license     = stdenv.lib.licenses.gpl3;
-    homepage    = https://www.nikhef.nl/~h24/qcdnum/index.html;
+    homepage    = "https://www.nikhef.nl/~h24/qcdnum/index.html";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/rivet/default.nix b/pkgs/development/libraries/physics/rivet/default.nix
index 7f7260d52c0..9870fadf6ef 100644
--- a/pkgs/development/libraries/physics/rivet/default.nix
+++ b/pkgs/development/libraries/physics/rivet/default.nix
@@ -77,7 +77,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A framework for comparison of experimental measurements from high-energy particle colliders to theory predictions";
     license     = stdenv.lib.licenses.gpl2;
-    homepage    = https://rivet.hepforge.org;
+    homepage    = "https://rivet.hepforge.org";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/physics/thepeg/default.nix b/pkgs/development/libraries/physics/thepeg/default.nix
index 15c94668581..10a01d00349 100644
--- a/pkgs/development/libraries/physics/thepeg/default.nix
+++ b/pkgs/development/libraries/physics/thepeg/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Toolkit for High Energy Physics Event Generation";
-    homepage = https://herwig.hepforge.org/;
+    homepage = "https://herwig.hepforge.org/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ veprbl ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/physics/yoda/default.nix b/pkgs/development/libraries/physics/yoda/default.nix
index 8ed0a2c4ae3..ad7bc7f52f5 100644
--- a/pkgs/development/libraries/physics/yoda/default.nix
+++ b/pkgs/development/libraries/physics/yoda/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Provides small set of data analysis (specifically histogramming) classes";
     license     = stdenv.lib.licenses.gpl3;
-    homepage    = https://yoda.hepforge.org;
+    homepage    = "https://yoda.hepforge.org";
     platforms   = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ veprbl ];
   };
diff --git a/pkgs/development/libraries/pipewire/2.nix b/pkgs/development/libraries/pipewire/2.nix
index 3efbea97c5e..e9656ee23ec 100644
--- a/pkgs/development/libraries/pipewire/2.nix
+++ b/pkgs/development/libraries/pipewire/2.nix
@@ -41,7 +41,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Server and user space API to deal with multimedia pipelines";
-    homepage = https://pipewire.org/;
+    homepage = "https://pipewire.org/";
     license = licenses.lgpl21;
     platforms = platforms.linux;
     maintainers = with maintainers; [ jtojnar ];
diff --git a/pkgs/development/libraries/pipewire/default.nix b/pkgs/development/libraries/pipewire/default.nix
index b37bbd273e2..197282c5ac1 100644
--- a/pkgs/development/libraries/pipewire/default.nix
+++ b/pkgs/development/libraries/pipewire/default.nix
@@ -85,7 +85,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Server and user space API to deal with multimedia pipelines";
-    homepage = https://pipewire.org/;
+    homepage = "https://pipewire.org/";
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ jtojnar ];
diff --git a/pkgs/development/libraries/pixman/default.nix b/pkgs/development/libraries/pixman/default.nix
index 1f9996ec213..d7f5b34e5d7 100644
--- a/pkgs/development/libraries/pixman/default.nix
+++ b/pkgs/development/libraries/pixman/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   postInstall = glib.flattenInclude;
 
   meta = with stdenv.lib; {
-    homepage = http://pixman.org;
+    homepage = "http://pixman.org";
     description = "A low-level library for pixel manipulation";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/pkcs11helper/default.nix b/pkgs/development/libraries/pkcs11helper/default.nix
index 85d300e2376..8366c37e505 100644
--- a/pkgs/development/libraries/pkcs11helper/default.nix
+++ b/pkgs/development/libraries/pkcs11helper/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/OpenSC/pkcs11-helper;
+    homepage = "https://github.com/OpenSC/pkcs11-helper";
     license = with licenses; [ bsd3 gpl2 ];
     description = "Library that simplifies the interaction with PKCS#11 providers";
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/plib/default.nix b/pkgs/development/libraries/plib/default.nix
index bbc5eb21c27..2736de0630f 100644
--- a/pkgs/development/libraries/plib/default.nix
+++ b/pkgs/development/libraries/plib/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
 
     license = stdenv.lib.licenses.lgpl2Plus;
 
-    homepage = http://plib.sourceforge.net/;
+    homepage = "http://plib.sourceforge.net/";
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/pmdk/default.nix b/pkgs/development/libraries/pmdk/default.nix
index 27351522789..fe3176f9f76 100644
--- a/pkgs/development/libraries/pmdk/default.nix
+++ b/pkgs/development/libraries/pmdk/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Persistent Memory Development Kit";
-    homepage    = https://github.com/pmem/pmdk;
+    homepage    = "https://github.com/pmem/pmdk";
     license     = licenses.lgpl21;
     maintainers = with maintainers; [ thoughtpolice ];
     platforms   = [ "x86_64-linux" ]; # aarch64 is experimental
diff --git a/pkgs/development/libraries/png++/default.nix b/pkgs/development/libraries/png++/default.nix
index 8509468f59a..7ae7406c989 100644
--- a/pkgs/development/libraries/png++/default.nix
+++ b/pkgs/development/libraries/png++/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://www.nongnu.org/pngpp/;
+    homepage = "https://www.nongnu.org/pngpp/";
     description = "C++ wrapper for libpng library";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/pocketsphinx/default.nix b/pkgs/development/libraries/pocketsphinx/default.nix
index f892540ae5c..0f9be199d95 100644
--- a/pkgs/development/libraries/pocketsphinx/default.nix
+++ b/pkgs/development/libraries/pocketsphinx/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Voice recognition library written in C";
-    homepage = http://cmusphinx.sourceforge.net;
+    homepage = "http://cmusphinx.sourceforge.net";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/poco/default.nix b/pkgs/development/libraries/poco/default.nix
index 1f43be20cfb..72f2952914a 100644
--- a/pkgs/development/libraries/poco/default.nix
+++ b/pkgs/development/libraries/poco/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://pocoproject.org/;
+    homepage = "https://pocoproject.org/";
     description = "Cross-platform C++ libraries with a network/internet focus";
     license = licenses.boost;
     maintainers = with maintainers; [ orivej ];
diff --git a/pkgs/development/libraries/podofo/default.nix b/pkgs/development/libraries/podofo/default.nix
index 809159b8c2f..242645ebfdb 100644
--- a/pkgs/development/libraries/podofo/default.nix
+++ b/pkgs/development/libraries/podofo/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://podofo.sourceforge.net;
+    homepage = "http://podofo.sourceforge.net";
     description = "A library to work with the PDF file format";
     platforms = platforms.all;
     license = with licenses; [ gpl2 lgpl2 ];
diff --git a/pkgs/development/libraries/polkit/default.nix b/pkgs/development/libraries/polkit/default.nix
index 17163c2206c..43dc2550b12 100644
--- a/pkgs/development/libraries/polkit/default.nix
+++ b/pkgs/development/libraries/polkit/default.nix
@@ -107,7 +107,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.freedesktop.org/wiki/Software/polkit;
+    homepage = "http://www.freedesktop.org/wiki/Software/polkit";
     description = "A toolkit for defining and handling the policy that allows unprivileged processes to speak to privileged processes";
     license = licenses.gpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/poppler/0.61.nix b/pkgs/development/libraries/poppler/0.61.nix
index cb9cf16531c..0603f49fad4 100644
--- a/pkgs/development/libraries/poppler/0.61.nix
+++ b/pkgs/development/libraries/poppler/0.61.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
-    homepage = https://poppler.freedesktop.org/;
+    homepage = "https://poppler.freedesktop.org/";
     description = "A PDF rendering library";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/poppler/default.nix b/pkgs/development/libraries/poppler/default.nix
index bddb9a32e31..20e49296945 100644
--- a/pkgs/development/libraries/poppler/default.nix
+++ b/pkgs/development/libraries/poppler/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
-    homepage = https://poppler.freedesktop.org/;
+    homepage = "https://poppler.freedesktop.org/";
     description = "A PDF rendering library";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/portaudio/default.nix b/pkgs/development/libraries/portaudio/default.nix
index 68daece490f..aa8afb7ac97 100644
--- a/pkgs/development/libraries/portaudio/default.nix
+++ b/pkgs/development/libraries/portaudio/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   name = "portaudio-190600-20161030";
 
   src = fetchurl {
-    url = http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz;
+    url = "http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz";
     sha256 = "04qmin6nj144b8qb9kkd9a52xfvm0qdgm8bg8jbl7s3frmyiv8pm";
   };
 
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Portable cross-platform Audio API";
-    homepage    = http://www.portaudio.com/;
+    homepage    = "http://www.portaudio.com/";
     # Not exactly a bsd license, but alike
     license     = licenses.mit;
     maintainers = with maintainers; [ lovek323 ];
diff --git a/pkgs/development/libraries/portmidi/default.nix b/pkgs/development/libraries/portmidi/default.nix
index 37958038601..a0001691302 100644
--- a/pkgs/development/libraries/portmidi/default.nix
+++ b/pkgs/development/libraries/portmidi/default.nix
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   meta = {
-    homepage = http://portmedia.sourceforge.net/portmidi/;
+    homepage = "http://portmedia.sourceforge.net/portmidi/";
     description = "Platform independent library for MIDI I/O";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/ppl/default.nix b/pkgs/development/libraries/ppl/default.nix
index 7839547ee92..a51db09db86 100644
--- a/pkgs/development/libraries/ppl/default.nix
+++ b/pkgs/development/libraries/ppl/default.nix
@@ -51,7 +51,7 @@ stdenv.mkDerivation {
       version of the simplex algorithm.
     '';
 
-    homepage = http://bugseng.com/products/ppl/;
+    homepage = "http://bugseng.com/products/ppl/";
 
     license = stdenv.lib.licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/proj-datumgrid/default.nix b/pkgs/development/libraries/proj-datumgrid/default.nix
index f1c13e93aec..c7a25f62171 100644
--- a/pkgs/development/libraries/proj-datumgrid/default.nix
+++ b/pkgs/development/libraries/proj-datumgrid/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Repository for proj datum grids";
-    homepage = https://proj4.org;
+    homepage = "https://proj4.org";
     license = licenses.mit;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/development/libraries/proj/5.2.nix b/pkgs/development/libraries/proj/5.2.nix
index 8fb4515e70d..7a97491d8ea 100644
--- a/pkgs/development/libraries/proj/5.2.nix
+++ b/pkgs/development/libraries/proj/5.2.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "proj-5.2.0";
 
   src = fetchurl {
-    url = https://download.osgeo.org/proj/proj-5.2.0.tar.gz;
+    url = "https://download.osgeo.org/proj/proj-5.2.0.tar.gz";
     sha256 = "0q3ydh2j8qhwlxmnac72pg69rw2znbi5b6k5wama8qmwzycr94gg";
   };
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Cartographic Projections Library";
-    homepage = https://proj4.org;
+    homepage = "https://proj4.org";
     license = licenses.mit;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ vbgl ];
diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index fc0f1cf67a5..8618d62e834 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Cartographic Projections Library";
-    homepage = https://proj4.org;
+    homepage = "https://proj4.org";
     license = licenses.mit;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ vbgl ];
diff --git a/pkgs/development/libraries/prometheus-cpp/default.nix b/pkgs/development/libraries/prometheus-cpp/default.nix
index 2ec2426af4a..5377d2b96d0 100644
--- a/pkgs/development/libraries/prometheus-cpp/default.nix
+++ b/pkgs/development/libraries/prometheus-cpp/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Prometheus Client Library for Modern C++";
-    homepage = https://github.com/jupp0r/prometheus-cpp;
+    homepage = "https://github.com/jupp0r/prometheus-cpp";
     license = [ stdenv.lib.licenses.mit ];
   };
 
diff --git a/pkgs/development/libraries/properties-cpp/default.nix b/pkgs/development/libraries/properties-cpp/default.nix
index bd20dc540c0..ce56c464588 100644
--- a/pkgs/development/libraries/properties-cpp/default.nix
+++ b/pkgs/development/libraries/properties-cpp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://launchpad.net/properties-cpp;
+    homepage = "https://launchpad.net/properties-cpp";
     description = "A very simple convenience library for handling properties and signals in C++11.";
     license = licenses.lgpl3;
     maintainers = with maintainers; [ edwtjo ];
diff --git a/pkgs/development/libraries/protobuf/generic-v3.nix b/pkgs/development/libraries/protobuf/generic-v3.nix
index 01f74bc48eb..4166aac7246 100644
--- a/pkgs/development/libraries/protobuf/generic-v3.nix
+++ b/pkgs/development/libraries/protobuf/generic-v3.nix
@@ -50,7 +50,7 @@ mkProtobufDerivation = buildProtobuf: stdenv: stdenv.mkDerivation {
       '';
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
-    homepage = https://developers.google.com/protocol-buffers/;
+    homepage = "https://developers.google.com/protocol-buffers/";
   };
 
   passthru.version = version;
diff --git a/pkgs/development/libraries/protobuf/generic.nix b/pkgs/development/libraries/protobuf/generic.nix
index 3c08537db0b..32d6f70d1eb 100644
--- a/pkgs/development/libraries/protobuf/generic.nix
+++ b/pkgs/development/libraries/protobuf/generic.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation {
          almost all of its internal RPC protocols and file formats.
       '';
     license = "mBSD";
-    homepage = https://developers.google.com/protocol-buffers/;
+    homepage = "https://developers.google.com/protocol-buffers/";
     platforms = stdenv.lib.platforms.unix;
   };
 
diff --git a/pkgs/development/libraries/protobufc/generic.nix b/pkgs/development/libraries/protobufc/generic.nix
index 838fa7de826..4b0d273ac44 100644
--- a/pkgs/development/libraries/protobufc/generic.nix
+++ b/pkgs/development/libraries/protobufc/generic.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   buildInputs = [ protobuf zlib ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/protobuf-c/protobuf-c/;
+    homepage = "https://github.com/protobuf-c/protobuf-c/";
     description = "C bindings for Google's Protocol Buffers";
     license = licenses.bsd2;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/prototypejs/default.nix b/pkgs/development/libraries/prototypejs/default.nix
index a56b14384e5..3753dfacac3 100644
--- a/pkgs/development/libraries/prototypejs/default.nix
+++ b/pkgs/development/libraries/prototypejs/default.nix
@@ -15,8 +15,8 @@ in fetchurl {
       and provides elegant APIs around the clumsy interfaces
       of Ajax and the Document Object Model.
     '';
-    homepage = http://prototypejs.org/;
-    downloadPage = http://prototypejs.org/download/;
+    homepage = "http://prototypejs.org/";
+    downloadPage = "http://prototypejs.org/download/";
     license = licenses.mit;
     maintainers = with maintainers; [ das_j ];
   };
diff --git a/pkgs/development/libraries/psqlodbc/default.nix b/pkgs/development/libraries/psqlodbc/default.nix
index 2364e0913bc..fdc35f149a3 100644
--- a/pkgs/development/libraries/psqlodbc/default.nix
+++ b/pkgs/development/libraries/psqlodbc/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-iodbc=${libiodbc}" ];
 
   meta = with stdenv.lib; {
-    homepage = http://psqlodbc.projects.postgresql.org/;
+    homepage = "http://psqlodbc.projects.postgresql.org/";
     description = "ODBC driver for PostgreSQL";
     license = licenses.lgpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/pstreams/default.nix b/pkgs/development/libraries/pstreams/default.nix
index a734ac1e9fd..e3cb9dd67a3 100644
--- a/pkgs/development/libraries/pstreams/default.nix
+++ b/pkgs/development/libraries/pstreams/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   version = "1.0.1";
 
   src = fetchgit {
-    url = https://git.code.sf.net/p/pstreams/code;
+    url = "https://git.code.sf.net/p/pstreams/code";
     rev = let dot2Underscore = stdenv.lib.strings.stringAsChars (c: if c == "." then "_" else c);
           in "RELEASE_${dot2Underscore version}";
     sha256 = "0r8aj0nh5mkf8cvnzl8bdy4nm7i74vs83axxfimcd74kjfn0irys";
@@ -31,8 +31,8 @@ stdenv.mkDerivation rec {
       POSIX.2 functions popen(3) and pclose(3), using C++ iostreams instead of
       C's stdio library.
     '';
-    homepage = http://pstreams.sourceforge.net/;
-    downloadPage = http://pstreams.sourceforge.net/download/;
+    homepage = "http://pstreams.sourceforge.net/";
+    downloadPage = "http://pstreams.sourceforge.net/download/";
     maintainers = with maintainers; [ arthur ];
     license = licenses.boost;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/pth/default.nix b/pkgs/development/libraries/pth/default.nix
index b2173ec21ee..c64d0b37686 100644
--- a/pkgs/development/libraries/pth/default.nix
+++ b/pkgs/development/libraries/pth/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "The GNU Portable Threads library";
-    homepage = https://www.gnu.org/software/pth;
+    homepage = "https://www.gnu.org/software/pth";
     license = licenses.lgpl21Plus;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/pugixml/default.nix b/pkgs/development/libraries/pugixml/default.nix
index d1825171596..8bd86154068 100644
--- a/pkgs/development/libraries/pugixml/default.nix
+++ b/pkgs/development/libraries/pugixml/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Light-weight, simple and fast XML parser for C++ with XPath support";
-    homepage = https://pugixml.org;
+    homepage = "https://pugixml.org";
     license = licenses.mit;
     maintainers = with maintainers; [ pSub ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/pupnp/default.nix b/pkgs/development/libraries/pupnp/default.nix
index b616b898a6e..ef131118527 100644
--- a/pkgs/development/libraries/pupnp/default.nix
+++ b/pkgs/development/libraries/pupnp/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
     license = "BSD-style";
 
-    homepage = http://pupnp.sourceforge.net/;
+    homepage = "http://pupnp.sourceforge.net/";
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/pyotherside/default.nix b/pkgs/development/libraries/pyotherside/default.nix
index 002208dcc0b..047142c8a5d 100644
--- a/pkgs/development/libraries/pyotherside/default.nix
+++ b/pkgs/development/libraries/pyotherside/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Asynchronous Python 3 Bindings for Qt 5";
-    homepage = https://thp.io/2011/pyotherside/;
+    homepage = "https://thp.io/2011/pyotherside/";
     license = licenses.isc;
     maintainers = [ maintainers.mic92 ];
   };
diff --git a/pkgs/development/libraries/python-qt/default.nix b/pkgs/development/libraries/python-qt/default.nix
index 2b630de14b2..a52b3608eb7 100644
--- a/pkgs/development/libraries/python-qt/default.nix
+++ b/pkgs/development/libraries/python-qt/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "PythonQt is a dynamic Python binding for the Qt framework. It offers an easy way to embed the Python scripting language into your C++ Qt applications.";
-    homepage = http://pythonqt.sourceforge.net/;
+    homepage = "http://pythonqt.sourceforge.net/";
     license = licenses.lgpl21;
     platforms = platforms.all;
     maintainers = with maintainers; [ hlolli ];
diff --git a/pkgs/development/libraries/qca-qt5/default.nix b/pkgs/development/libraries/qca-qt5/default.nix
index 79b105a2d1c..77f4e1b9053 100644
--- a/pkgs/development/libraries/qca-qt5/default.nix
+++ b/pkgs/development/libraries/qca-qt5/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt 5 Cryptographic Architecture";
-    homepage = http://delta.affinix.com/qca;
+    homepage = "http://delta.affinix.com/qca";
     maintainers = with maintainers; [ ttuegel ];
     license = licenses.lgpl21Plus;
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/qca2/default.nix b/pkgs/development/libraries/qca2/default.nix
index 4894bee9609..bb89d692681 100644
--- a/pkgs/development/libraries/qca2/default.nix
+++ b/pkgs/development/libraries/qca2/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Qt Cryptographic Architecture";
     license = "LGPL";
-    homepage = http://delta.affinix.com/qca;
+    homepage = "http://delta.affinix.com/qca";
     maintainers = [ maintainers.sander ];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/qgnomeplatform/default.nix b/pkgs/development/libraries/qgnomeplatform/default.nix
index 93b9b9634de..434b3ab84f9 100644
--- a/pkgs/development/libraries/qgnomeplatform/default.nix
+++ b/pkgs/development/libraries/qgnomeplatform/default.nix
@@ -59,7 +59,7 @@ mkDerivation rec {
 
   meta = with lib; {
     description = "QPlatformTheme for a better Qt application inclusion in GNOME";
-    homepage = https://github.com/FedoraQt/QGnomePlatform;
+    homepage = "https://github.com/FedoraQt/QGnomePlatform";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ worldofpeace ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/qhull/default.nix b/pkgs/development/libraries/qhull/default.nix
index 323171212be..689a4877541 100644
--- a/pkgs/development/libraries/qhull/default.nix
+++ b/pkgs/development/libraries/qhull/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake ];
 
   meta = with stdenv.lib; {
-    homepage = http://www.qhull.org/;
+    homepage = "http://www.qhull.org/";
     description = "Compute the convex hull, Delaunay triangulation, Voronoi diagram and more";
     license = licenses.qhull;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/qjson/default.nix b/pkgs/development/libraries/qjson/default.nix
index 6d84e609127..ab4a96e65ea 100644
--- a/pkgs/development/libraries/qjson/default.nix
+++ b/pkgs/development/libraries/qjson/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Lightweight data-interchange format";
-    homepage = http://qjson.sourceforge.net/;
+    homepage = "http://qjson.sourceforge.net/";
     license = licenses.lgpl21;
     inherit (qt4.meta) platforms;
   };
diff --git a/pkgs/development/libraries/qmltermwidget/default.nix b/pkgs/development/libraries/qmltermwidget/default.nix
index b156a1cbf99..ac258457311 100644
--- a/pkgs/development/libraries/qmltermwidget/default.nix
+++ b/pkgs/development/libraries/qmltermwidget/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A QML port of qtermwidget";
-    homepage = https://github.com/Swordfish90/qmltermwidget;
+    homepage = "https://github.com/Swordfish90/qmltermwidget";
     license = stdenv.lib.licenses.gpl2;
     platforms = with stdenv.lib.platforms; linux ++ darwin;
     maintainers = with stdenv.lib.maintainers; [ skeidel ];
diff --git a/pkgs/development/libraries/qoauth/default.nix b/pkgs/development/libraries/qoauth/default.nix
index 83e904e53eb..85682e2c2a2 100644
--- a/pkgs/development/libraries/qoauth/default.nix
+++ b/pkgs/development/libraries/qoauth/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "qoauth-2.0.0";
 
   src = fetchurl {
-    url = https://github.com/ayoy/qoauth/archive/v2.0.0.tar.gz;
+    url = "https://github.com/ayoy/qoauth/archive/v2.0.0.tar.gz";
     name = "qoauth-2.0.0.tar.gz";
     sha256 = "a28005986410d333e03d077679cdf6c504ec5a33342867dc0f9fb0b74285e333";
   };
diff --git a/pkgs/development/libraries/qpdf/default.nix b/pkgs/development/libraries/qpdf/default.nix
index c50c62d7794..b324bfed5aa 100644
--- a/pkgs/development/libraries/qpdf/default.nix
+++ b/pkgs/development/libraries/qpdf/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://qpdf.sourceforge.net/;
+    homepage = "http://qpdf.sourceforge.net/";
     description = "A C++ library and set of programs that inspect and manipulate the structure of PDF files";
     license = licenses.asl20; # as of 7.0.0, people may stay at artistic2
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/qrencode/default.nix b/pkgs/development/libraries/qrencode/default.nix
index 9e8d9ce239b..83d2db6a26b 100644
--- a/pkgs/development/libraries/qrencode/default.nix
+++ b/pkgs/development/libraries/qrencode/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://fukuchi.org/works/qrencode/;
+    homepage = "https://fukuchi.org/works/qrencode/";
     description = "C library for encoding data in a QR Code symbol";
 
     longDescription = ''
diff --git a/pkgs/development/libraries/qrupdate/default.nix b/pkgs/development/libraries/qrupdate/default.nix
index 3e0dc99f81f..a31cc4e8ed4 100644
--- a/pkgs/development/libraries/qrupdate/default.nix
+++ b/pkgs/development/libraries/qrupdate/default.nix
@@ -6,7 +6,7 @@
 stdenv.mkDerivation {
   name = "qrupdate-1.1.2";
   src = fetchurl {
-    url = mirror://sourceforge/qrupdate/qrupdate-1.1.2.tar.gz ;
+    url = "mirror://sourceforge/qrupdate/qrupdate-1.1.2.tar.gz";
     sha256 = "024f601685phcm1pg8lhif3lpy5j9j0k6n0r46743g4fvh8wg8g2";
   };
 
@@ -34,7 +34,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Library for fast updating of qr and cholesky decompositions";
-    homepage = https://sourceforge.net/projects/qrupdate/;
+    homepage = "https://sourceforge.net/projects/qrupdate/";
     license = licenses.gpl3;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/qscintilla/default.nix b/pkgs/development/libraries/qscintilla/default.nix
index a8be20b73b1..323eff6486d 100644
--- a/pkgs/development/libraries/qscintilla/default.nix
+++ b/pkgs/development/libraries/qscintilla/default.nix
@@ -69,7 +69,7 @@ in stdenv.mkDerivation rec {
       proportional fonts, bold and italics, multiple foreground and
       background colours and multiple fonts.
     '';
-    homepage = https://www.riverbankcomputing.com/software/qscintilla/intro;
+    homepage = "https://www.riverbankcomputing.com/software/qscintilla/intro";
     license = with licenses; [ gpl2 gpl3 ]; # and commercial
     maintainers = with maintainers; [ peterhoeg ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/qt-3/default.nix b/pkgs/development/libraries/qt-3/default.nix
index 98519ae294a..f5837717622 100644
--- a/pkgs/development/libraries/qt-3/default.nix
+++ b/pkgs/development/libraries/qt-3/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
   setupHook = ./setup-hook.sh;
 
   src = fetchurl {
-    url = http://download.qt.io/archive/qt/3/qt-x11-free-3.3.8.tar.bz2;
+    url = "http://download.qt.io/archive/qt/3/qt-x11-free-3.3.8.tar.bz2";
     sha256 = "0jd4g3bwkgk2s4flbmgisyihm7cam964gzb3pawjlkhas01zghz8";
   };
 
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 379f5b3d80e..1c972e5440c 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -237,7 +237,7 @@ stdenv.mkDerivation rec {
   dontStrip = stdenv.hostPlatform != stdenv.buildPlatform;
 
   meta = {
-    homepage    = http://qt-project.org/;
+    homepage    = "http://qt-project.org/";
     description = "A cross-platform application framework for C++";
     license     = lib.licenses.lgpl21Plus; # or gpl3
     maintainers = with lib.maintainers; [ orivej lovek323 phreedom sander ];
diff --git a/pkgs/development/libraries/qt-5/modules/qtbase.nix b/pkgs/development/libraries/qt-5/modules/qtbase.nix
index 930c59d347b..a4c12793abb 100644
--- a/pkgs/development/libraries/qt-5/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -399,7 +399,7 @@ stdenv.mkDerivation {
   setupHook = ../hooks/qtbase-setup-hook.sh;
 
   meta = with lib; {
-    homepage = http://www.qt.io;
+    homepage = "http://www.qt.io";
     description = "A cross-platform application framework for C++";
     license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
     maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
diff --git a/pkgs/development/libraries/qt-5/qtModule.nix b/pkgs/development/libraries/qt-5/qtModule.nix
index 5003205ef37..0481f000c6c 100644
--- a/pkgs/development/libraries/qt-5/qtModule.nix
+++ b/pkgs/development/libraries/qt-5/qtModule.nix
@@ -50,7 +50,7 @@ mkDerivation (args // {
   '';
 
   meta = {
-    homepage = http://www.qt.io;
+    homepage = "http://www.qt.io";
     description = "A cross-platform application framework for C++";
     license = with licenses; [ fdl13 gpl2 lgpl21 lgpl3 ];
     maintainers = with maintainers; [ qknight ttuegel periklis bkchr ];
diff --git a/pkgs/development/libraries/qt-mobility/default.nix b/pkgs/development/libraries/qt-mobility/default.nix
index b7857372d1c..ba44a217e3d 100644
--- a/pkgs/development/libraries/qt-mobility/default.nix
+++ b/pkgs/development/libraries/qt-mobility/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt Mobility";
-    homepage = http://qt.nokia.com/products/qt-addons/mobility;
+    homepage = "http://qt.nokia.com/products/qt-addons/mobility";
     maintainers = [ maintainers.qknight ];
     platforms = platforms.linux;
     license = with licenses; [ bsd3 fdl13 gpl3 lgpl21 ];
diff --git a/pkgs/development/libraries/qtkeychain/default.nix b/pkgs/development/libraries/qtkeychain/default.nix
index 5b963255b65..ddfdc2f67d3 100644
--- a/pkgs/development/libraries/qtkeychain/default.nix
+++ b/pkgs/development/libraries/qtkeychain/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Platform-independent Qt API for storing passwords securely";
-    homepage = https://github.com/frankosterfeld/qtkeychain;
+    homepage = "https://github.com/frankosterfeld/qtkeychain";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/qtscriptgenerator/default.nix b/pkgs/development/libraries/qtscriptgenerator/default.nix
index 88591e880de..a6cffd73c3f 100644
--- a/pkgs/development/libraries/qtscriptgenerator/default.nix
+++ b/pkgs/development/libraries/qtscriptgenerator/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "QtScript bindings generator";
-    homepage = https://code.qt.io/cgit/qt-labs/qtscriptgenerator.git/;
+    homepage = "https://code.qt.io/cgit/qt-labs/qtscriptgenerator.git/";
     inherit (qt4.meta) platforms;
     license = stdenv.lib.licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/qtstyleplugins/default.nix b/pkgs/development/libraries/qtstyleplugins/default.nix
index 50a1e90588c..ac5755f7c3d 100644
--- a/pkgs/development/libraries/qtstyleplugins/default.nix
+++ b/pkgs/development/libraries/qtstyleplugins/default.nix
@@ -15,7 +15,7 @@ mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Additional style plugins for Qt5, including BB10, GTK, Cleanlooks, Motif, Plastique";
-    homepage = http://blog.qt.io/blog/2012/10/30/cleaning-up-styles-in-qt5-and-adding-fusion/;
+    homepage = "http://blog.qt.io/blog/2012/10/30/cleaning-up-styles-in-qt5-and-adding-fusion/";
     license = licenses.lgpl21;
     maintainers = [ maintainers.gnidorah ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/qtwebkit-plugins/default.nix b/pkgs/development/libraries/qtwebkit-plugins/default.nix
index 46a9785739a..d1b921deac0 100644
--- a/pkgs/development/libraries/qtwebkit-plugins/default.nix
+++ b/pkgs/development/libraries/qtwebkit-plugins/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Spell checking plugin using Hunspell and HTML5 Notifications plugin for QtWebKit";
-    homepage = https://github.com/QupZilla/qtwebkit-plugins;
+    homepage = "https://github.com/QupZilla/qtwebkit-plugins";
     license = licenses.gpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/quazip/default.nix b/pkgs/development/libraries/quazip/default.nix
index cac861fe224..13e3f15c842 100644
--- a/pkgs/development/libraries/quazip/default.nix
+++ b/pkgs/development/libraries/quazip/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Provides access to ZIP archives from Qt programs";
     license = licenses.lgpl21Plus;
-    homepage = https://stachenov.github.io/quazip/; # Migrated from http://quazip.sourceforge.net/
+    homepage = "https://stachenov.github.io/quazip/"; # Migrated from http://quazip.sourceforge.net/
     platforms = with platforms; linux ++ darwin;
   };
 }
diff --git a/pkgs/development/libraries/quesoglc/default.nix b/pkgs/development/libraries/quesoglc/default.nix
index fe24d0fcddf..6aebb7a6511 100644
--- a/pkgs/development/libraries/quesoglc/default.nix
+++ b/pkgs/development/libraries/quesoglc/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
       provides Unicode support and is designed to be easily ported to any
       platform that supports both FreeType and the OpenGL API.
     '';
-    homepage = http://quesoglc.sourceforge.net/;
+    homepage = "http://quesoglc.sourceforge.net/";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ astsmtl ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/quickder/default.nix b/pkgs/development/libraries/quickder/default.nix
index 7e006236080..e5346b42b9f 100644
--- a/pkgs/development/libraries/quickder/default.nix
+++ b/pkgs/development/libraries/quickder/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Quick (and Easy) DER, a Library for parsing ASN.1";
-    homepage = https://github.com/vanrein/quick-der;
+    homepage = "https://github.com/vanrein/quick-der";
     license = licenses.bsd2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ leenaars ];
diff --git a/pkgs/development/libraries/qwt/6.nix b/pkgs/development/libraries/qwt/6.nix
index 9568a63f691..54af3f3084a 100644
--- a/pkgs/development/libraries/qwt/6.nix
+++ b/pkgs/development/libraries/qwt/6.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt widgets for technical applications";
-    homepage = http://qwt.sourceforge.net/;
+    homepage = "http://qwt.sourceforge.net/";
     # LGPL 2.1 plus a few exceptions (more liberal)
     license = stdenv.lib.licenses.qwt;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/qwt/6_qt4.nix b/pkgs/development/libraries/qwt/6_qt4.nix
index b6e0acb603d..04bc0d7ed22 100644
--- a/pkgs/development/libraries/qwt/6_qt4.nix
+++ b/pkgs/development/libraries/qwt/6_qt4.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt widgets for technical applications";
-    homepage = http://qwt.sourceforge.net/;
+    homepage = "http://qwt.sourceforge.net/";
     # LGPL 2.1 plus a few exceptions (more liberal)
     license = stdenv.lib.licenses.qwt;
     platforms = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/qwt/default.nix b/pkgs/development/libraries/qwt/default.nix
index f900de5e578..c206ffdd5db 100644
--- a/pkgs/development/libraries/qwt/default.nix
+++ b/pkgs/development/libraries/qwt/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Qt widgets for technical applications";
-    homepage = http://qwt.sourceforge.net/;
+    homepage = "http://qwt.sourceforge.net/";
     # LGPL 2.1 plus a few exceptions (more liberal)
     license = stdenv.lib.licenses.qwt;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/qxt/default.nix b/pkgs/development/libraries/qxt/default.nix
index 79d4d652424..3104aefb9ed 100644
--- a/pkgs/development/libraries/qxt/default.nix
+++ b/pkgs/development/libraries/qxt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   prefixKey = "-prefix ";
 
   meta = {
-    homepage = http://libqxt.org;
+    homepage = "http://libqxt.org";
     description = "An extension library for Qt";
     longDescription = ''
       An extension library for Qt providing a suite of cross-platform utility
diff --git a/pkgs/development/libraries/rabbitmq-c/default.nix b/pkgs/development/libraries/rabbitmq-c/default.nix
index 487de0976bd..d24bce96997 100644
--- a/pkgs/development/libraries/rabbitmq-c/default.nix
+++ b/pkgs/development/libraries/rabbitmq-c/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "RabbitMQ C AMQP client library";
-    homepage = https://github.com/alanxz/rabbitmq-c;
+    homepage = "https://github.com/alanxz/rabbitmq-c";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/rabbitmq-java-client/default.nix b/pkgs/development/libraries/rabbitmq-java-client/default.nix
index ff8db94288a..e84770ec0f5 100644
--- a/pkgs/development/libraries/rabbitmq-java-client/default.nix
+++ b/pkgs/development/libraries/rabbitmq-java-client/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "RabbitMQ Java client library which allows Java code to interface to AMQP servers";
-    homepage = https://www.rabbitmq.com/java-client.html;
+    homepage = "https://www.rabbitmq.com/java-client.html";
     license = with licenses; [ mpl11 gpl2 ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/randomx/default.nix b/pkgs/development/libraries/randomx/default.nix
index 9e6cdfecb95..5b0c2b8a657 100644
--- a/pkgs/development/libraries/randomx/default.nix
+++ b/pkgs/development/libraries/randomx/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Proof of work algorithm based on random code execution";
-    homepage = https://github.com/tevador/RandomX;
+    homepage = "https://github.com/tevador/RandomX";
     license = licenses.bsd3;
     maintainers = with maintainers; [ rnhmjoj ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/range-v3/default.nix b/pkgs/development/libraries/range-v3/default.nix
index ca2c7d9b70f..024b67721ca 100644
--- a/pkgs/development/libraries/range-v3/default.nix
+++ b/pkgs/development/libraries/range-v3/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Experimental range library for C++11/14/17";
-    homepage = https://github.com/ericniebler/range-v3;
+    homepage = "https://github.com/ericniebler/range-v3";
     license = licenses.boost;
     platforms = platforms.all;
     maintainers = with maintainers; [ primeos xwvvvvwx ];
diff --git a/pkgs/development/libraries/rarian/default.nix b/pkgs/development/libraries/rarian/default.nix
index 18ab274bd19..1a97174380c 100644
--- a/pkgs/development/libraries/rarian/default.nix
+++ b/pkgs/development/libraries/rarian/default.nix
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Documentation metadata library based on the proposed Freedesktop.org spec";
-    homepage = https://rarian.freedesktop.org/;
+    homepage = "https://rarian.freedesktop.org/";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/rdkafka/default.nix b/pkgs/development/libraries/rdkafka/default.nix
index cb1b176ce35..f955f464d32 100644
--- a/pkgs/development/libraries/rdkafka/default.nix
+++ b/pkgs/development/libraries/rdkafka/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "librdkafka - Apache Kafka C/C++ client library";
-    homepage = https://github.com/edenhill/librdkafka;
+    homepage = "https://github.com/edenhill/librdkafka";
     license = licenses.bsd2;
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ boothead ];
diff --git a/pkgs/development/libraries/re2/default.nix b/pkgs/development/libraries/re2/default.nix
index 2b60c3cbf54..bb41af5ad85 100644
--- a/pkgs/development/libraries/re2/default.nix
+++ b/pkgs/development/libraries/re2/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   installCheckTarget = "testinstall";
 
   meta = {
-    homepage = https://github.com/google/re2;
+    homepage = "https://github.com/google/re2";
     description = "An efficient, principled regular expression library";
     license = stdenv.lib.licenses.bsd3;
     platforms = with stdenv.lib.platforms; all;
diff --git a/pkgs/development/libraries/readline/5.x.nix b/pkgs/development/libraries/readline/5.x.nix
index 84062408d45..5833ca714e4 100644
--- a/pkgs/development/libraries/readline/5.x.nix
+++ b/pkgs/development/libraries/readline/5.x.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "readline-5.2";
 
   src = fetchurl {
-    url = mirror://gnu/readline/readline-5.2.tar.gz;
+    url = "mirror://gnu/readline/readline-5.2.tar.gz";
     sha256 = "0icz4hqqq8mlkwrpczyaha94kns0am9z0mh3a2913kg2msb8vs0j";
   };
 
diff --git a/pkgs/development/libraries/readline/6.2.nix b/pkgs/development/libraries/readline/6.2.nix
index af59e50ec5e..3f3ca01961d 100644
--- a/pkgs/development/libraries/readline/6.2.nix
+++ b/pkgs/development/libraries/readline/6.2.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation (rec {
       desire its capabilities.
     '';
 
-    homepage = https://savannah.gnu.org/projects/readline/;
+    homepage = "https://savannah.gnu.org/projects/readline/";
 
     license = stdenv.lib.licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/readline/6.3.nix b/pkgs/development/libraries/readline/6.3.nix
index 1e5d9a0a664..3f3503bb2ba 100644
--- a/pkgs/development/libraries/readline/6.3.nix
+++ b/pkgs/development/libraries/readline/6.3.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation {
       desire its capabilities.
     '';
 
-    homepage = https://savannah.gnu.org/projects/readline/;
+    homepage = "https://savannah.gnu.org/projects/readline/";
 
     license = licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/readline/7.0.nix b/pkgs/development/libraries/readline/7.0.nix
index 486c6eaa224..c4bcda0110a 100644
--- a/pkgs/development/libraries/readline/7.0.nix
+++ b/pkgs/development/libraries/readline/7.0.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
       desire its capabilities.
     '';
 
-    homepage = https://savannah.gnu.org/projects/readline/;
+    homepage = "https://savannah.gnu.org/projects/readline/";
 
     license = licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/readline/8.0.nix b/pkgs/development/libraries/readline/8.0.nix
index 9b9f459e4c3..23075abd6f2 100644
--- a/pkgs/development/libraries/readline/8.0.nix
+++ b/pkgs/development/libraries/readline/8.0.nix
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
       desire its capabilities.
     '';
 
-    homepage = https://savannah.gnu.org/projects/readline/;
+    homepage = "https://savannah.gnu.org/projects/readline/";
 
     license = licenses.gpl3Plus;
 
diff --git a/pkgs/development/libraries/readosm/default.nix b/pkgs/development/libraries/readosm/default.nix
index 1c777e849a4..8bf3200e295 100644
--- a/pkgs/development/libraries/readosm/default.nix
+++ b/pkgs/development/libraries/readosm/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An open source library to extract valid data from within an Open Street Map input file";
-    homepage = https://www.gaia-gis.it/fossil/readosm;
+    homepage = "https://www.gaia-gis.it/fossil/readosm";
     license = with stdenv.lib.licenses; [ mpl11 gpl2Plus lgpl21Plus ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/rep-gtk/default.nix b/pkgs/development/libraries/rep-gtk/default.nix
index 7530cc64bf5..0f8caecf808 100644
--- a/pkgs/development/libraries/rep-gtk/default.nix
+++ b/pkgs/development/libraries/rep-gtk/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "GTK bindings for librep";
-    homepage = http://sawfish.wikia.com;
+    homepage = "http://sawfish.wikia.com";
     license = licenses.gpl2;
     maintainers = [ maintainers.AndersonTorres ];
   };
diff --git a/pkgs/development/libraries/rlog/default.nix b/pkgs/development/libraries/rlog/default.nix
index f9188e1294b..cbc564fe230 100644
--- a/pkgs/development/libraries/rlog/default.nix
+++ b/pkgs/development/libraries/rlog/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = https://www.arg0.net/rlog;
+    homepage = "https://www.arg0.net/rlog";
     description = "A C++ logging library used in encfs";
     platforms = stdenv.lib.platforms.linux;
     license = stdenv.lib.licenses.lgpl3;
diff --git a/pkgs/development/libraries/rnnoise/default.nix b/pkgs/development/libraries/rnnoise/default.nix
index 7a1f69e86c7..938f64d06ef 100644
--- a/pkgs/development/libraries/rnnoise/default.nix
+++ b/pkgs/development/libraries/rnnoise/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation (rec {
   '';
 
   meta = with lib; {
-    homepage = https://people.xiph.org/~jm/demo/rnnoise/;
+    homepage = "https://people.xiph.org/~jm/demo/rnnoise/";
     description = "Recurrent neural network for audio noise reduction";
     license = licenses.bsd3;
     maintainers = [ maintainers.nh2 ];
diff --git a/pkgs/development/libraries/robin-map/default.nix b/pkgs/development/libraries/robin-map/default.nix
index 4aba29c5830..10b7510468e 100644
--- a/pkgs/development/libraries/robin-map/default.nix
+++ b/pkgs/development/libraries/robin-map/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/Tessil/robin-map;
+    homepage = "https://github.com/Tessil/robin-map";
     description = "C++ implementation of a fast hash map and hash set using robin hood hashing";
     license = licenses.mit;
     maintainers = with maintainers; [ goibhniu jtojnar ];
diff --git a/pkgs/development/libraries/rocksdb/default.nix b/pkgs/development/libraries/rocksdb/default.nix
index 2d3d1e8d722..6606f57bc4b 100644
--- a/pkgs/development/libraries/rocksdb/default.nix
+++ b/pkgs/development/libraries/rocksdb/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = stdenv.lib.optional stdenv.hostPlatform.isWindows "format";
 
   meta = with stdenv.lib; {
-    homepage = https://rocksdb.org;
+    homepage = "https://rocksdb.org";
     description = "A library that provides an embeddable, persistent key-value store for fast storage";
     license = licenses.asl20;
     maintainers = with maintainers; [ adev magenbluten ];
diff --git a/pkgs/development/libraries/rote/default.nix b/pkgs/development/libraries/rote/default.nix
index 82a2998be1e..5ae66f676d6 100644
--- a/pkgs/development/libraries/rote/default.nix
+++ b/pkgs/development/libraries/rote/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
       ncurses as well so that you may render the virtual screen to the real
       screen when you need to.
     '';
-    homepage = http://rote.sourceforge.net/;
+    homepage = "http://rote.sourceforge.net/";
     license = licenses.lgpl21;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/rttr/default.nix b/pkgs/development/libraries/rttr/default.nix
index 74b8e381f93..b4d9204c226 100644
--- a/pkgs/development/libraries/rttr/default.nix
+++ b/pkgs/development/libraries/rttr/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++ Reflection Library";
-    homepage = https://www.rttr.org;
+    homepage = "https://www.rttr.org";
     license = licenses.mit;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/rubberband/default.nix b/pkgs/development/libraries/rubberband/default.nix
index 29233a1ad3f..13dcd57e2da 100644
--- a/pkgs/development/libraries/rubberband/default.nix
+++ b/pkgs/development/libraries/rubberband/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   name = "rubberband-1.8.1";
 
   src = fetchurl {
-    url = http://code.breakfastquay.com/attachments/download/23/rubberband-1.8.1.tar.bz2;
+    url = "http://code.breakfastquay.com/attachments/download/23/rubberband-1.8.1.tar.bz2";
     sha256 = "0x9bm2nqd6w2f35w2sqcp7h5z34i4w7mdg53m0vzjhffnnq6637z";
   };
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "High quality software library for audio time-stretching and pitch-shifting";
-    homepage = https://www.breakfastquay.com/rubberband/index.html;
+    homepage = "https://www.breakfastquay.com/rubberband/index.html";
     # commercial license available as well, see homepage. You'll get some more optimized routines
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.goibhniu maintainers.marcweber ];
diff --git a/pkgs/development/libraries/safefile/default.nix b/pkgs/development/libraries/safefile/default.nix
index ae5ec222c23..e4a3e586614 100644
--- a/pkgs/development/libraries/safefile/default.nix
+++ b/pkgs/development/libraries/safefile/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.asl20 ;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = stdenv.lib.platforms.linux;
-    homepage = https://research.cs.wisc.edu/mist/safefile/;
+    homepage = "https://research.cs.wisc.edu/mist/safefile/";
     updateWalker = true;
   };
 }
diff --git a/pkgs/development/libraries/sbc/default.nix b/pkgs/development/libraries/sbc/default.nix
index ce8db3ee9ea..d3710043e6f 100644
--- a/pkgs/development/libraries/sbc/default.nix
+++ b/pkgs/development/libraries/sbc/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "SubBand Codec Library";
-    homepage = http://www.bluez.org/;
+    homepage = "http://www.bluez.org/";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/sblim-sfcc/default.nix b/pkgs/development/libraries/sblim-sfcc/default.nix
index 9ffa2efc376..91baa8d03b8 100644
--- a/pkgs/development/libraries/sblim-sfcc/default.nix
+++ b/pkgs/development/libraries/sblim-sfcc/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Small Footprint CIM Client Library";
-    homepage    = https://sourceforge.net/projects/sblim/;
+    homepage    = "https://sourceforge.net/projects/sblim/";
     license     = licenses.cpl10;
     maintainers = with maintainers; [ deepfire ];
     platforms   = platforms.unix;
diff --git a/pkgs/development/libraries/schroedinger/default.nix b/pkgs/development/libraries/schroedinger/default.nix
index 1831161979d..712138b0edf 100644
--- a/pkgs/development/libraries/schroedinger/default.nix
+++ b/pkgs/development/libraries/schroedinger/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "schroedinger-1.0.11";
 
   src = fetchurl {
-    url = https://download.videolan.org/contrib/schroedinger-1.0.11.tar.gz;
+    url = "https://download.videolan.org/contrib/schroedinger-1.0.11.tar.gz";
     sha256 = "04prr667l4sn4zx256v1z36a0nnkxfdqyln48rbwlamr6l3jlmqy";
   };
 
diff --git a/pkgs/development/libraries/science/benchmark/papi/default.nix b/pkgs/development/libraries/science/benchmark/papi/default.nix
index 53ae70f5bf8..00a6e50aa7f 100644
--- a/pkgs/development/libraries/science/benchmark/papi/default.nix
+++ b/pkgs/development/libraries/science/benchmark/papi/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   checkTarget = "test";
 
   meta = with stdenv.lib; {
-    homepage = https://icl.utk.edu/papi/;
+    homepage = "https://icl.utk.edu/papi/";
     description = "PAPI provides the tool designer and application engineer with a consistent interface and methodology for use of the performance counter hardware found in most major microprocessors";
     license = licenses.bsdOriginal;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/science/biology/elastix/default.nix b/pkgs/development/libraries/science/biology/elastix/default.nix
index 4cfc07c1cba..e88e79cdcf4 100644
--- a/pkgs/development/libraries/science/biology/elastix/default.nix
+++ b/pkgs/development/libraries/science/biology/elastix/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ itk ];
 
   meta = with stdenv.lib; {
-    homepage = http://elastix.isi.uu.nl/;
+    homepage = "http://elastix.isi.uu.nl/";
     description = "Image registration toolkit based on ITK";
     maintainers = with maintainers; [ bcdarwin ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/science/biology/htslib/default.nix b/pkgs/development/libraries/science/biology/htslib/default.nix
index cdd56731fa0..7ee63e9bb41 100644
--- a/pkgs/development/libraries/science/biology/htslib/default.nix
+++ b/pkgs/development/libraries/science/biology/htslib/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "A C library for reading/writing high-throughput sequencing data";
     license = licenses.mit;
-    homepage = http://www.htslib.org/;
+    homepage = "http://www.htslib.org/";
     platforms = platforms.unix;
     maintainers = [ maintainers.mimame ];
   };
diff --git a/pkgs/development/libraries/science/biology/nifticlib/default.nix b/pkgs/development/libraries/science/biology/nifticlib/default.nix
index 8c7da7968f5..37055259e7c 100644
--- a/pkgs/development/libraries/science/biology/nifticlib/default.nix
+++ b/pkgs/development/libraries/science/biology/nifticlib/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails 7 out of 293 tests
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/projects/niftilib;
+    homepage = "https://sourceforge.net/projects/niftilib";
     description = "Medical imaging format C API";
     maintainers = with maintainers; [ bcdarwin ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/science/math/QuadProgpp/default.nix b/pkgs/development/libraries/science/math/QuadProgpp/default.nix
index 69ccbfc26b4..b5fa5c8825e 100644
--- a/pkgs/development/libraries/science/math/QuadProgpp/default.nix
+++ b/pkgs/development/libraries/science/math/QuadProgpp/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/liuq/QuadProgpp;
+    homepage = "https://github.com/liuq/QuadProgpp";
     license = licenses.mit;
     description = ''
       A C++ library for Quadratic Programming which implements the
diff --git a/pkgs/development/libraries/science/math/arpack/default.nix b/pkgs/development/libraries/science/math/arpack/default.nix
index 89f3aa94247..961a1c544e6 100644
--- a/pkgs/development/libraries/science/math/arpack/default.nix
+++ b/pkgs/development/libraries/science/math/arpack/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
 
 
   meta = {
-    homepage = https://github.com/opencollab/arpack-ng;
+    homepage = "https://github.com/opencollab/arpack-ng";
     description = ''
       A collection of Fortran77 subroutines to solve large scale eigenvalue
       problems.
diff --git a/pkgs/development/libraries/science/math/blas/default.nix b/pkgs/development/libraries/science/math/blas/default.nix
index a14ed4e6a30..c58ac6be23d 100644
--- a/pkgs/development/libraries/science/math/blas/default.nix
+++ b/pkgs/development/libraries/science/math/blas/default.nix
@@ -65,7 +65,7 @@ EOF
   meta = {
     description = "Basic Linear Algebra Subprograms";
     license = stdenv.lib.licenses.publicDomain;
-    homepage = http://www.netlib.org/blas/;
+    homepage = "http://www.netlib.org/blas/";
     platforms = stdenv.lib.platforms.unix;
   };
 
diff --git a/pkgs/development/libraries/science/math/caffe2/default.nix b/pkgs/development/libraries/science/math/caffe2/default.nix
index a5c373ecde9..7755efb3065 100644
--- a/pkgs/development/libraries/science/math/caffe2/default.nix
+++ b/pkgs/development/libraries/science/math/caffe2/default.nix
@@ -129,7 +129,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://caffe2.ai/;
+    homepage = "https://caffe2.ai/";
     description = "A new lightweight, modular, and scalable deep learning framework";
     longDescription = ''
       Caffe2 aims to provide an easy and straightforward way for you to experiment
diff --git a/pkgs/development/libraries/science/math/cholmod-extra/default.nix b/pkgs/development/libraries/science/math/cholmod-extra/default.nix
index 52c775c9a0d..0f2d35329c4 100644
--- a/pkgs/development/libraries/science/math/cholmod-extra/default.nix
+++ b/pkgs/development/libraries/science/math/cholmod-extra/default.nix
@@ -29,7 +29,7 @@ in stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/jluttine/cholmod-extra;
+    homepage = "https://github.com/jluttine/cholmod-extra";
     description = "A set of additional routines for SuiteSparse CHOLMOD Module";
     license = with licenses; [ gpl2Plus ];
     maintainers = with maintainers; [ jluttine ];
diff --git a/pkgs/development/libraries/science/math/cliquer/default.nix b/pkgs/development/libraries/science/math/cliquer/default.nix
index 08f821dcb2c..c473fcedde3 100644
--- a/pkgs/development/libraries/science/math/cliquer/default.nix
+++ b/pkgs/development/libraries/science/math/cliquer/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://users.aalto.fi/~pat/cliquer.html;
+    homepage = "https://users.aalto.fi/~pat/cliquer.html";
     downloadPage = src.meta.homepage; # autocliquer
     description = "Routines for clique searching";
     longDescription = ''
diff --git a/pkgs/development/libraries/science/math/clmagma/default.nix b/pkgs/development/libraries/science/math/clmagma/default.nix
index b5c59a83277..2e798a6b83e 100644
--- a/pkgs/development/libraries/science/math/clmagma/default.nix
+++ b/pkgs/development/libraries/science/math/clmagma/default.nix
@@ -68,7 +68,7 @@ in stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Matrix Algebra on GPU and Multicore Architectures, OpenCL port";
     license = licenses.bsd3;
-    homepage = http://icl.cs.utk.edu/magma/index.html;
+    homepage = "http://icl.cs.utk.edu/magma/index.html";
     platforms = platforms.linux;
     maintainers = with maintainers; [ volhovm ];
   };
diff --git a/pkgs/development/libraries/science/math/fenics/default.nix b/pkgs/development/libraries/science/math/fenics/default.nix
index e70462cd9ef..2abf8e980b8 100644
--- a/pkgs/development/libraries/science/math/fenics/default.nix
+++ b/pkgs/development/libraries/science/math/fenics/default.nix
@@ -47,7 +47,7 @@ let
     '';
     meta = {
       description = "Distributed just-in-time shared library building";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       platforms = stdenv.lib.platforms.all;
       license = stdenv.lib.licenses.lgpl3;
     };
@@ -77,7 +77,7 @@ let
     '';
     meta = {
       description = "Automatic generation of finite element basis functions";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       platforms = stdenv.lib.platforms.all;
       license = stdenv.lib.licenses.lgpl3;
     };
@@ -99,7 +99,7 @@ let
     '';
     meta = {
       description = "A domain-specific language for finite element variational forms";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       platforms = stdenv.lib.platforms.all;
       license = stdenv.lib.licenses.lgpl3;
     };
@@ -136,7 +136,7 @@ let
     '';
     meta = {
       description = "A compiler for finite element variational forms";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       platforms = stdenv.lib.platforms.all;
       license = stdenv.lib.licenses.lgpl3;
     };
@@ -211,7 +211,7 @@ let
     '';
     meta = {
       description = "The FEniCS Problem Solving Environment in Python and C++";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       license = stdenv.lib.licenses.lgpl3;
     };
   };
@@ -250,7 +250,7 @@ let
     doCheck = false; # Tries to orte_ess_init and call ssh to localhost
     meta = {
       description = "Python bindings for the DOLFIN FEM compiler";
-      homepage = https://fenicsproject.org/;
+      homepage = "https://fenicsproject.org/";
       platforms = stdenv.lib.platforms.all;
       license = stdenv.lib.licenses.lgpl3;
     };
diff --git a/pkgs/development/libraries/science/math/flintqs/default.nix b/pkgs/development/libraries/science/math/flintqs/default.nix
index 6fd16535459..327fea3955d 100644
--- a/pkgs/development/libraries/science/math/flintqs/default.nix
+++ b/pkgs/development/libraries/science/math/flintqs/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/sagemath/FlintQS;
+    homepage = "https://github.com/sagemath/FlintQS";
     description = "Highly optimized multi-polynomial quadratic sieve for integer factorization";
     license = with licenses; [ gpl2 ];
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/math/ipopt/default.nix b/pkgs/development/libraries/science/math/ipopt/default.nix
index 1995fb9c85d..a3bc1c380cf 100644
--- a/pkgs/development/libraries/science/math/ipopt/default.nix
+++ b/pkgs/development/libraries/science/math/ipopt/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A software package for large-scale nonlinear optimization";
-    homepage = https://projects.coin-or.org/Ipopt;
+    homepage = "https://projects.coin-or.org/Ipopt";
     license = licenses.epl10;
     platforms = platforms.unix;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/science/math/lcalc/default.nix b/pkgs/development/libraries/science/math/lcalc/default.nix
index 0f23f08145e..3f00547efce 100644
--- a/pkgs/development/libraries/science/math/lcalc/default.nix
+++ b/pkgs/development/libraries/science/math/lcalc/default.nix
@@ -88,7 +88,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://oto.math.uwaterloo.ca/~mrubinst/L_function_public/L.html;
+    homepage = "http://oto.math.uwaterloo.ca/~mrubinst/L_function_public/L.html";
     description = "A program for calculating with L-functions";
     license = with licenses; [ gpl2 ];
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/math/libbraiding/default.nix b/pkgs/development/libraries/science/math/libbraiding/default.nix
index c8f1138d69f..aac66e4fe05 100644
--- a/pkgs/development/libraries/science/math/libbraiding/default.nix
+++ b/pkgs/development/libraries/science/math/libbraiding/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/miguelmarco/libbraiding/;
+    homepage = "https://github.com/miguelmarco/libbraiding/";
     description = "C++ library for computations on braid groups";
     longDescription = ''
       A library to compute several properties of braids, including centralizer and conjugacy check.
diff --git a/pkgs/development/libraries/science/math/libhomfly/default.nix b/pkgs/development/libraries/science/math/libhomfly/default.nix
index a2c0dd4fa17..d9b50a0fb2d 100644
--- a/pkgs/development/libraries/science/math/libhomfly/default.nix
+++ b/pkgs/development/libraries/science/math/libhomfly/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/miguelmarco/libhomfly/;
+    homepage = "https://github.com/miguelmarco/libhomfly/";
     description = "Library to compute the homfly polynomial of knots and links";
     license = licenses.unlicense;
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index a7d01e22d96..53389935dda 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation {
   meta = with stdenv.lib; {
     inherit version;
     description = "Linear Algebra PACKage";
-    homepage = http://www.netlib.org/lapack/;
+    homepage = "http://www.netlib.org/lapack/";
     license = licenses.bsd3;
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/science/math/liblbfgs/default.nix b/pkgs/development/libraries/science/math/liblbfgs/default.nix
index 33e8baada83..49108e5e330 100644
--- a/pkgs/development/libraries/science/math/liblbfgs/default.nix
+++ b/pkgs/development/libraries/science/math/liblbfgs/default.nix
@@ -4,13 +4,13 @@ stdenv.mkDerivation {
 
   configureFlags = [ "--enable-sse2" ];
   src = fetchurl {
-    url = https://github.com/downloads/chokkan/liblbfgs/liblbfgs-1.10.tar.gz;
+    url = "https://github.com/downloads/chokkan/liblbfgs/liblbfgs-1.10.tar.gz";
     sha256 = "1kv8d289rbz38wrpswx5dkhr2yh4fg4h6sszkp3fawxm09sann21";
   };
 
   meta = {
     description = "Library of Limited-memory Broyden-Fletcher-Goldfarb-Shanno (L-BFGS)";
-    homepage = http://www.chokkan.org/software/liblbfgs/;
+    homepage = "http://www.chokkan.org/software/liblbfgs/";
     license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/science/math/m4ri/default.nix b/pkgs/development/libraries/science/math/m4ri/default.nix
index e6c5cac77d2..d8b4cbbffb4 100644
--- a/pkgs/development/libraries/science/math/m4ri/default.nix
+++ b/pkgs/development/libraries/science/math/m4ri/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://malb.bitbucket.io/m4ri/;
+    homepage = "https://malb.bitbucket.io/m4ri/";
     description = "Library to do fast arithmetic with dense matrices over F_2";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/math/m4rie/default.nix b/pkgs/development/libraries/science/math/m4rie/default.nix
index 6a7ecdf46fd..e1f86b346d7 100644
--- a/pkgs/development/libraries/science/math/m4rie/default.nix
+++ b/pkgs/development/libraries/science/math/m4rie/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://malb.bitbucket.io/m4rie/;
+    homepage = "https://malb.bitbucket.io/m4rie/";
     description = "Library for matrix multiplication, reduction and inversion over GF(2^k) for 2 <= k <= 10";
     longDescription = ''
       M4RIE is a library for fast arithmetic with dense matrices over small finite fields of even characteristic.
diff --git a/pkgs/development/libraries/science/math/magma/default.nix b/pkgs/development/libraries/science/math/magma/default.nix
index 6a07ebdb862..5e62ce75aa6 100644
--- a/pkgs/development/libraries/science/math/magma/default.nix
+++ b/pkgs/development/libraries/science/math/magma/default.nix
@@ -51,7 +51,7 @@ in stdenv.mkDerivation {
   meta = with stdenv.lib; {
     description = "Matrix Algebra on GPU and Multicore Architectures";
     license = licenses.bsd3;
-    homepage = http://icl.cs.utk.edu/magma/index.html;
+    homepage = "http://icl.cs.utk.edu/magma/index.html";
     platforms = platforms.unix;
     maintainers = with maintainers; [ tbenst ];
   };
diff --git a/pkgs/development/libraries/science/math/metis/default.nix b/pkgs/development/libraries/science/math/metis/default.nix
index 3ce94f28ac2..8d6381c8d48 100644
--- a/pkgs/development/libraries/science/math/metis/default.nix
+++ b/pkgs/development/libraries/science/math/metis/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Serial graph partitioning and fill-reducing matrix ordering";
-    homepage = http://glaros.dtc.umn.edu/gkhome/metis/metis/overview;
+    homepage = "http://glaros.dtc.umn.edu/gkhome/metis/metis/overview";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/libraries/science/math/nccl/default.nix b/pkgs/development/libraries/science/math/nccl/default.nix
index c9aeb83c469..5f38d45fc4d 100644
--- a/pkgs/development/libraries/science/math/nccl/default.nix
+++ b/pkgs/development/libraries/science/math/nccl/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Multi-GPU and multi-node collective communication primitives for NVIDIA GPUs";
-    homepage = https://developer.nvidia.com/nccl;
+    homepage = "https://developer.nvidia.com/nccl";
     license = licenses.bsd3;
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ mdaiter orivej ];
diff --git a/pkgs/development/libraries/science/math/openblas/default.nix b/pkgs/development/libraries/science/math/openblas/default.nix
index efad842bd35..23168d741ba 100644
--- a/pkgs/development/libraries/science/math/openblas/default.nix
+++ b/pkgs/development/libraries/science/math/openblas/default.nix
@@ -181,7 +181,7 @@ EOF
   meta = with stdenv.lib; {
     description = "Basic Linear Algebra Subprograms";
     license = licenses.bsd3;
-    homepage = https://github.com/xianyi/OpenBLAS;
+    homepage = "https://github.com/xianyi/OpenBLAS";
     platforms = platforms.unix;
     maintainers = with maintainers; [ ttuegel ];
   };
diff --git a/pkgs/development/libraries/science/math/openlibm/default.nix b/pkgs/development/libraries/science/math/openlibm/default.nix
index e4a3241c1f3..7517ca9c6cb 100644
--- a/pkgs/development/libraries/science/math/openlibm/default.nix
+++ b/pkgs/development/libraries/science/math/openlibm/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "High quality system independent, portable, open source libm implementation";
-    homepage = https://www.openlibm.org/;
+    homepage = "https://www.openlibm.org/";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.ttuegel ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/science/math/openspecfun/default.nix b/pkgs/development/libraries/science/math/openspecfun/default.nix
index 3a4c5a78438..3689df60707 100644
--- a/pkgs/development/libraries/science/math/openspecfun/default.nix
+++ b/pkgs/development/libraries/science/math/openspecfun/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "A collection of special mathematical functions";
-    homepage = https://github.com/JuliaLang/openspecfun;
+    homepage = "https://github.com/JuliaLang/openspecfun";
     license = stdenv.lib.licenses.mit;
     maintainers = [ stdenv.lib.maintainers.ttuegel ];
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/development/libraries/science/math/or-tools/default.nix b/pkgs/development/libraries/science/math/or-tools/default.nix
index 688d1425681..ce6780f0046 100644
--- a/pkgs/development/libraries/science/math/or-tools/default.nix
+++ b/pkgs/development/libraries/science/math/or-tools/default.nix
@@ -62,7 +62,7 @@ in stdenv.mkDerivation rec {
   outputs = [ "out" "python" ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/google/or-tools;
+    homepage = "https://github.com/google/or-tools";
     license = licenses.asl20;
     description = ''
       Google's software suite for combinatorial optimization.
diff --git a/pkgs/development/libraries/science/math/parmetis/default.nix b/pkgs/development/libraries/science/math/parmetis/default.nix
index 3a9ef770459..97023d07c7f 100644
--- a/pkgs/development/libraries/science/math/parmetis/default.nix
+++ b/pkgs/development/libraries/science/math/parmetis/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "ParMETIS is an MPI-based parallel library that implements a variety of algorithms for partitioning unstructured graphs, meshes, and for computing fill-reducing orderings of sparse matrices";
-    homepage = http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview;
+    homepage = "http://glaros.dtc.umn.edu/gkhome/metis/parmetis/overview";
     platforms = platforms.all;
     license = licenses.unfree;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/libraries/science/math/planarity/default.nix b/pkgs/development/libraries/science/math/planarity/default.nix
index e7dfaecf1de..7767e23934c 100644
--- a/pkgs/development/libraries/science/math/planarity/default.nix
+++ b/pkgs/development/libraries/science/math/planarity/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/graph-algorithms/edge-addition-planarity-suite;
+    homepage = "https://github.com/graph-algorithms/edge-addition-planarity-suite";
     description = "A library for implementing graph algorithms";
     license = licenses.bsd3;
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/math/rubiks/default.nix b/pkgs/development/libraries/science/math/rubiks/default.nix
index 3b2ddc6f06c..6eeaddba041 100644
--- a/pkgs/development/libraries/science/math/rubiks/default.nix
+++ b/pkgs/development/libraries/science/math/rubiks/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.sagemath.org/spkg/rubiks;
+    homepage = "https://wiki.sagemath.org/spkg/rubiks";
     description = "Several programs for working with Rubik's cubes";
     # The individual websites are no longer available
     longDescription = ''
diff --git a/pkgs/development/libraries/science/math/scalapack/default.nix b/pkgs/development/libraries/science/math/scalapack/default.nix
index a226dd2fc63..f0a93c7be64 100644
--- a/pkgs/development/libraries/science/math/scalapack/default.nix
+++ b/pkgs/development/libraries/science/math/scalapack/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.netlib.org/scalapack/;
+    homepage = "http://www.netlib.org/scalapack/";
     description = "Library of high-performance linear algebra routines for parallel distributed memory machines";
     license = licenses.bsd3;
     platforms = [ "x86_64-linux" ];
diff --git a/pkgs/development/libraries/science/math/suitesparse/4.2.nix b/pkgs/development/libraries/science/math/suitesparse/4.2.nix
index 48de128edc5..755a9f5118b 100644
--- a/pkgs/development/libraries/science/math/suitesparse/4.2.nix
+++ b/pkgs/development/libraries/science/math/suitesparse/4.2.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://faculty.cse.tamu.edu/davis/suitesparse.html;
+    homepage = "http://faculty.cse.tamu.edu/davis/suitesparse.html";
     description = "A suite of sparse matrix algorithms";
     license = with licenses; [ bsd2 gpl2Plus lgpl21Plus ];
     maintainers = with maintainers; [ ttuegel ];
diff --git a/pkgs/development/libraries/science/math/suitesparse/4.4.nix b/pkgs/development/libraries/science/math/suitesparse/4.4.nix
index 1ce56d1e49f..7f85f8e329e 100644
--- a/pkgs/development/libraries/science/math/suitesparse/4.4.nix
+++ b/pkgs/development/libraries/science/math/suitesparse/4.4.nix
@@ -91,7 +91,7 @@ stdenv.mkDerivation {
   buildInputs = [ openblas ];
 
   meta = with stdenv.lib; {
-    homepage = http://faculty.cse.tamu.edu/davis/suitesparse.html;
+    homepage = "http://faculty.cse.tamu.edu/davis/suitesparse.html";
     description = "A suite of sparse matrix algorithms";
     license = with licenses; [ bsd2 gpl2Plus lgpl21Plus ];
     maintainers = with maintainers; [ ttuegel ];
diff --git a/pkgs/development/libraries/science/math/superlu/default.nix b/pkgs/development/libraries/science/math/superlu/default.nix
index 570c9814485..dc43dc21ea4 100644
--- a/pkgs/development/libraries/science/math/superlu/default.nix
+++ b/pkgs/development/libraries/science/math/superlu/default.nix
@@ -28,8 +28,8 @@ stdenv.mkDerivation rec {
   checkTarget = "test";
 
   meta = {
-    homepage = http://crd-legacy.lbl.gov/~xiaoye/SuperLU/;
-    license = http://crd-legacy.lbl.gov/~xiaoye/SuperLU/License.txt;
+    homepage = "http://crd-legacy.lbl.gov/~xiaoye/SuperLU/";
+    license = "http://crd-legacy.lbl.gov/~xiaoye/SuperLU/License.txt";
     description = "A library for the solution of large, sparse, nonsymmetric systems of linear equations";
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/science/math/tensorflow/bin.nix b/pkgs/development/libraries/science/math/tensorflow/bin.nix
index f9f300883a1..dc0ca5da4cf 100644
--- a/pkgs/development/libraries/science/math/tensorflow/bin.nix
+++ b/pkgs/development/libraries/science/math/tensorflow/bin.nix
@@ -69,7 +69,7 @@ in stdenv.mkDerivation rec {
 
   meta = {
     description = "C API for TensorFlow";
-    homepage = https://www.tensorflow.org/install/lang_c;
+    homepage = "https://www.tensorflow.org/install/lang_c";
     license = licenses.asl20;
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
     maintainers = with maintainers; [ basvandijk ];
diff --git a/pkgs/development/libraries/science/math/zn_poly/default.nix b/pkgs/development/libraries/science/math/zn_poly/default.nix
index 838fb1f3638..a94a52936e8 100644
--- a/pkgs/development/libraries/science/math/zn_poly/default.nix
+++ b/pkgs/development/libraries/science/math/zn_poly/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with lib; {
-    homepage = http://web.maths.unsw.edu.au/~davidharvey/code/zn_poly/;
+    homepage = "http://web.maths.unsw.edu.au/~davidharvey/code/zn_poly/";
     description = "Polynomial arithmetic over Z/nZ";
     license = with licenses; [ gpl3 ];
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/development/libraries/science/robotics/ispike/default.nix b/pkgs/development/libraries/science/robotics/ispike/default.nix
index 640eefbd733..39f412e8dd5 100644
--- a/pkgs/development/libraries/science/robotics/ispike/default.nix
+++ b/pkgs/development/libraries/science/robotics/ispike/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Spiking neural interface between iCub and a spiking neural simulator";
-    homepage = https://sourceforge.net/projects/ispike/;
+    homepage = "https://sourceforge.net/projects/ispike/";
     license = stdenv.lib.licenses.lgpl3;
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.nico202 ];
diff --git a/pkgs/development/libraries/scmccid/default.nix b/pkgs/development/libraries/scmccid/default.nix
index ff29ae82c5c..5b07482507c 100644
--- a/pkgs/development/libraries/scmccid/default.nix
+++ b/pkgs/development/libraries/scmccid/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.scmmicro.com/support/pc-security-support/downloads.html;
+    homepage = "http://www.scmmicro.com/support/pc-security-support/downloads.html";
     description = "PCSC drivers for linux, for the SCM SCR3310 v2.0 card and others";
     license = stdenv.lib.licenses.unfree;
     maintainers = with stdenv.lib.maintainers; [viric];
diff --git a/pkgs/development/libraries/scriptaculous/default.nix b/pkgs/development/libraries/scriptaculous/default.nix
index eb8d17c6457..f4e5ae37892 100644
--- a/pkgs/development/libraries/scriptaculous/default.nix
+++ b/pkgs/development/libraries/scriptaculous/default.nix
@@ -22,8 +22,8 @@
       interface JavaScript libraries to make
       your web sites and web applications fly.
     '';
-    homepage = https://script.aculo.us/;
-    downloadPage = https://script.aculo.us/dist/;
+    homepage = "https://script.aculo.us/";
+    downloadPage = "https://script.aculo.us/dist/";
     license = licenses.mit;
     maintainers = with maintainers; [ das_j ];
   };
diff --git a/pkgs/development/libraries/seasocks/default.nix b/pkgs/development/libraries/seasocks/default.nix
index 9825c0c4035..144eb56c955 100644
--- a/pkgs/development/libraries/seasocks/default.nix
+++ b/pkgs/development/libraries/seasocks/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ zlib python ];
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/mattgodbolt/seasocks;
+    homepage = "https://github.com/mattgodbolt/seasocks";
     description = "Tiny embeddable C++ HTTP and WebSocket server";
     license = licenses.bsd2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/serd/default.nix b/pkgs/development/libraries/serd/default.nix
index 63af0d40781..9e83bdae28e 100644
--- a/pkgs/development/libraries/serd/default.nix
+++ b/pkgs/development/libraries/serd/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig python3 wafHook ];
 
   meta = with stdenv.lib; {
-    homepage = http://drobilla.net/software/serd;
+    homepage = "http://drobilla.net/software/serd";
     description = "A lightweight C library for RDF syntax which supports reading and writing Turtle and NTriples";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/sfml/default.nix b/pkgs/development/libraries/sfml/default.nix
index 4726221a40d..7b5e1dcdb2b 100644
--- a/pkgs/development/libraries/sfml/default.nix
+++ b/pkgs/development/libraries/sfml/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
                  "-DSFML_USE_SYSTEM_DEPS=yes" ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.sfml-dev.org/;
+    homepage = "https://www.sfml-dev.org/";
     description = "Simple and fast multimedia library";
     longDescription = ''
       SFML is a simple, fast, cross-platform and object-oriented multimedia API.
diff --git a/pkgs/development/libraries/sfsexp/default.nix b/pkgs/development/libraries/sfsexp/default.nix
index 261658b0547..40009a8b7c3 100644
--- a/pkgs/development/libraries/sfsexp/default.nix
+++ b/pkgs/development/libraries/sfsexp/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Small, fast s-expression library";
-    homepage = http://sexpr.sourceforge.net/;
+    homepage = "http://sexpr.sourceforge.net/";
     maintainers = with maintainers; [ jb55 ];
     license = licenses.gpl3;
     platforms = with platforms; unix;
diff --git a/pkgs/development/libraries/shapelib/default.nix b/pkgs/development/libraries/shapelib/default.nix
index 9da54a37042..8fd4987ac70 100644
--- a/pkgs/development/libraries/shapelib/default.nix
+++ b/pkgs/development/libraries/shapelib/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C Library for reading, writing and updating ESRI Shapefiles";
-    homepage = http://shapelib.maptools.org/;
+    homepage = "http://shapelib.maptools.org/";
     license = licenses.gpl2;
     maintainers = [ maintainers.ehmry ];
   };
diff --git a/pkgs/development/libraries/shhmsg/default.nix b/pkgs/development/libraries/shhmsg/default.nix
index 2790e181ac1..04b764afc94 100644
--- a/pkgs/development/libraries/shhmsg/default.nix
+++ b/pkgs/development/libraries/shhmsg/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for displaying messages";
-    homepage = https://shh.thathost.com/pub-unix/;
+    homepage = "https://shh.thathost.com/pub-unix/";
     license = licenses.artistic1;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/shhopt/default.nix b/pkgs/development/libraries/shhopt/default.nix
index 52ba959b615..45ec31ca4df 100644
--- a/pkgs/development/libraries/shhopt/default.nix
+++ b/pkgs/development/libraries/shhopt/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A library for parsing command line options";
-    homepage = https://shh.thathost.com/pub-unix/;
+    homepage = "https://shh.thathost.com/pub-unix/";
     license = licenses.artistic1;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/simpleitk/default.nix b/pkgs/development/libraries/simpleitk/default.nix
index cbb6a4b64f1..d6708b0dfed 100644
--- a/pkgs/development/libraries/simpleitk/default.nix
+++ b/pkgs/development/libraries/simpleitk/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.simpleitk.org;
+    homepage = "http://www.simpleitk.org";
     description = "Simplified interface to ITK";
     maintainers = with maintainers; [ bcdarwin ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/slang/default.nix b/pkgs/development/libraries/slang/default.nix
index d1cafbce117..9b7905c180a 100644
--- a/pkgs/development/libraries/slang/default.nix
+++ b/pkgs/development/libraries/slang/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A multi-platform programmer's library designed to allow a developer to create robust software";
-    homepage = http://www.jedsoft.org/slang/;
+    homepage = "http://www.jedsoft.org/slang/";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/slib/default.nix b/pkgs/development/libraries/slib/default.nix
index 665f025ffcf..401564342b5 100644
--- a/pkgs/development/libraries/slib/default.nix
+++ b/pkgs/development/libraries/slib/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
     # Public domain + permissive (non-copyleft) licensing of some files.
     license = stdenv.lib.licenses.publicDomain;
 
-    homepage = http://people.csail.mit.edu/jaffer/SLIB;
+    homepage = "http://people.csail.mit.edu/jaffer/SLIB";
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/smarty3-i18n/default.nix b/pkgs/development/libraries/smarty3-i18n/default.nix
index cd1584ac739..d93a59efe6e 100644
--- a/pkgs/development/libraries/smarty3-i18n/default.nix
+++ b/pkgs/development/libraries/smarty3-i18n/default.nix
@@ -17,7 +17,7 @@
   meta = with stdenv.lib; {
     description = "gettext for the smarty3 framework";
     license = licenses.lgpl21;
-    homepage = https://github.com/kikimosha/smarty3-i18n;
+    homepage = "https://github.com/kikimosha/smarty3-i18n";
     maintainers = with maintainers; [ das_j ];
     platforms = platforms.all;
   };
diff --git a/pkgs/development/libraries/smarty3/default.nix b/pkgs/development/libraries/smarty3/default.nix
index b3214cc01df..1f16e0f4af4 100644
--- a/pkgs/development/libraries/smarty3/default.nix
+++ b/pkgs/development/libraries/smarty3/default.nix
@@ -22,7 +22,7 @@
       logic. This implies that PHP code is application
       logic, and is separated from the presentation.
     '';
-    homepage = https://www.smarty.net;
+    homepage = "https://www.smarty.net";
     license = licenses.lgpl21Plus;
     maintainers = with maintainers; [ das_j ];
   };
diff --git a/pkgs/development/libraries/smpeg/default.nix b/pkgs/development/libraries/smpeg/default.nix
index 4d74ee7ca06..3a34bf54c3c 100644
--- a/pkgs/development/libraries/smpeg/default.nix
+++ b/pkgs/development/libraries/smpeg/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "390";
 
   src = fetchsvn {
-    url = svn://svn.icculus.org/smpeg/trunk;
+    url = "svn://svn.icculus.org/smpeg/trunk";
     rev = version;
     sha256 = "0ynwn7ih5l2b1kpzpibns9bb9wzfjak7mgrb1ji0dkn2q5pv6lr0";
   };
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   NIX_LDFLAGS = "-lX11";
 
   meta = {
-    homepage = http://icculus.org/smpeg/;
+    homepage = "http://icculus.org/smpeg/";
     description = "MPEG decoding library";
     license = stdenv.lib.licenses.gpl2Plus;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/smpeg2/default.nix b/pkgs/development/libraries/smpeg2/default.nix
index 90043786471..fc42ab989eb 100644
--- a/pkgs/development/libraries/smpeg2/default.nix
+++ b/pkgs/development/libraries/smpeg2/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "412";
 
   src = fetchsvn {
-    url = svn://svn.icculus.org/smpeg/trunk;
+    url = "svn://svn.icculus.org/smpeg/trunk";
     rev = version;
     sha256 = "1irf2d8f150j8cx8lbb0pz1rijap536crsz0mw871xrh6wd2fd96";
   };
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://icculus.org/smpeg/;
+    homepage = "http://icculus.org/smpeg/";
     description = "SDL2 MPEG Player Library";
     license = licenses.lgpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/snack/default.nix b/pkgs/development/libraries/snack/default.nix
index acf10cc497c..7aa7cf3d452 100644
--- a/pkgs/development/libraries/snack/default.nix
+++ b/pkgs/development/libraries/snack/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "snack-2.2.10";
 
   src = fetchurl {
-    url = https://www.speech.kth.se/snack/dist/snack2.2.10.tar.gz;
+    url = "https://www.speech.kth.se/snack/dist/snack2.2.10.tar.gz";
     sha256 = "07p89jv9qnjqkszws9sssq93ayvwpdnkcxrvyicbm4mb8x2pdzjb";
   };
 
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
 
   meta = { 
     description = "The Snack Sound Toolkit (Tcl)";
-    homepage = http://www.speech.kth.se/snack/;
+    homepage = "http://www.speech.kth.se/snack/";
     license = stdenv.lib.licenses.gpl2;
     broken = true;
   };
diff --git a/pkgs/development/libraries/sofia-sip/default.nix b/pkgs/development/libraries/sofia-sip/default.nix
index ca2ff666b7a..6758bf7a459 100644
--- a/pkgs/development/libraries/sofia-sip/default.nix
+++ b/pkgs/development/libraries/sofia-sip/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Open-source SIP User-Agent library, compliant with the IETF RFC3261 specification";
-    homepage = http://sofia-sip.sourceforge.net/;
+    homepage = "http://sofia-sip.sourceforge.net/";
     platforms = platforms.linux;
     license = licenses.lgpl2;
   };
diff --git a/pkgs/development/libraries/soil/default.nix b/pkgs/development/libraries/soil/default.nix
index d9fcea767d5..10a60c36987 100644
--- a/pkgs/development/libraries/soil/default.nix
+++ b/pkgs/development/libraries/soil/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
       SOIL is a tiny C library used primarily for uploading textures
       into OpenGL.
     '';
-    homepage  = https://www.lonesock.net/soil.html;
+    homepage  = "https://www.lonesock.net/soil.html";
     license   = stdenv.lib.licenses.publicDomain;
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/sonic/default.nix b/pkgs/development/libraries/sonic/default.nix
index 3e93302f3d7..41b88b7f310 100644
--- a/pkgs/development/libraries/sonic/default.nix
+++ b/pkgs/development/libraries/sonic/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Simple library to speed up or slow down speech";
-    homepage = https://github.com/waywardgeek/sonic;
+    homepage = "https://github.com/waywardgeek/sonic";
     license = licenses.asl20;
     maintainers = with maintainers; [ aske ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/soprano/default.nix b/pkgs/development/libraries/soprano/default.nix
index 4739c736397..40ec30c6c85 100644
--- a/pkgs/development/libraries/soprano/default.nix
+++ b/pkgs/development/libraries/soprano/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig ];
 
   meta = {
-    homepage = http://soprano.sourceforge.net/;
+    homepage = "http://soprano.sourceforge.net/";
     description = "An object-oriented C++/Qt4 framework for RDF data";
     license = "LGPL";
     maintainers = with stdenv.lib.maintainers; [ sander ];
diff --git a/pkgs/development/libraries/soqt/default.nix b/pkgs/development/libraries/soqt/default.nix
index 79084ceda1c..ff7c670ca0d 100644
--- a/pkgs/development/libraries/soqt/default.nix
+++ b/pkgs/development/libraries/soqt/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake pkgconfig ];
 
   meta = {
-    homepage = https://bitbucket.org/Coin3D/coin/wiki/Home;
+    homepage = "https://bitbucket.org/Coin3D/coin/wiki/Home";
     license = stdenv.lib.licenses.gpl2Plus;
     description = "Glue between Coin high-level 3D visualization library and Qt";
 
diff --git a/pkgs/development/libraries/sord/default.nix b/pkgs/development/libraries/sord/default.nix
index 746054e5939..5258f4d408b 100644
--- a/pkgs/development/libraries/sord/default.nix
+++ b/pkgs/development/libraries/sord/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ serd ];
 
   meta = with stdenv.lib; {
-    homepage = http://drobilla.net/software/sord;
+    homepage = "http://drobilla.net/software/sord";
     description = "A lightweight C library for storing RDF data in memory";
     license = licenses.mit;
     maintainers = [ maintainers.goibhniu ];
diff --git a/pkgs/development/libraries/soxt/default.nix b/pkgs/development/libraries/soxt/default.nix
index 4afb310d49a..fe0d93344c0 100644
--- a/pkgs/development/libraries/soxt/default.nix
+++ b/pkgs/development/libraries/soxt/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   buildInputs = [ coin3d motif xlibsWrapper libGLU libGL libXmu ];
 
   meta = with stdenv.lib; {
-    homepage = https://bitbucket.org/Coin3D/coin/wiki/Home;
+    homepage = "https://bitbucket.org/Coin3D/coin/wiki/Home";
     license = licenses.bsd3;
     description = "A GUI binding for using Open Inventor with Xt/Motif";
     maintainers = with maintainers; [ tmplt ];
diff --git a/pkgs/development/libraries/spandsp/default.nix b/pkgs/development/libraries/spandsp/default.nix
index 95827ba364a..1f9834c08f4 100644
--- a/pkgs/development/libraries/spandsp/default.nix
+++ b/pkgs/development/libraries/spandsp/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [audiofile libtiff];
   meta = {
     description = "A portable and modular SIP User-Agent with audio and video support";
-    homepage = http://www.creytiv.com/baresip.html;
+    homepage = "http://www.creytiv.com/baresip.html";
     platforms = with stdenv.lib.platforms; linux;
     maintainers = with stdenv.lib.maintainers; [raskin];
     license = stdenv.lib.licenses.gpl2;
diff --git a/pkgs/development/libraries/sparsehash/default.nix b/pkgs/development/libraries/sparsehash/default.nix
index f898152d820..6845c616e9c 100644
--- a/pkgs/development/libraries/sparsehash/default.nix
+++ b/pkgs/development/libraries/sparsehash/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/sparsehash/sparsehash;
+    homepage = "https://github.com/sparsehash/sparsehash";
     description = "An extremely memory-efficient hash_map implementation";
     platforms = platforms.all;
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/spatialite-tools/default.nix b/pkgs/development/libraries/spatialite-tools/default.nix
index 83eef355f2d..939371e9209 100644
--- a/pkgs/development/libraries/spatialite-tools/default.nix
+++ b/pkgs/development/libraries/spatialite-tools/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A complete sqlite3-compatible CLI front-end for libspatialite";
-    homepage = https://www.gaia-gis.it/fossil/spatialite-tools;
+    homepage = "https://www.gaia-gis.it/fossil/spatialite-tools";
     license = with stdenv.lib.licenses; [ mpl11 gpl2Plus lgpl21Plus ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/development/libraries/speex/default.nix b/pkgs/development/libraries/speex/default.nix
index 7bf3a5faa7d..f7c3fc50fd7 100644
--- a/pkgs/development/libraries/speex/default.nix
+++ b/pkgs/development/libraries/speex/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.speex.org/;
+    homepage = "https://www.speex.org/";
     description = "An Open Source/Free Software patent-free audio compression format designed for speech";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/speexdsp/default.nix b/pkgs/development/libraries/speexdsp/default.nix
index 4d74c7e0559..421b3ec08c4 100644
--- a/pkgs/development/libraries/speexdsp/default.nix
+++ b/pkgs/development/libraries/speexdsp/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ] ++ stdenv.lib.optional stdenv.isAarch64 "--disable-neon";
 
   meta = with stdenv.lib; {
-    homepage = https://www.speex.org/;
+    homepage = "https://www.speex.org/";
     description = "An Open Source/Free Software patent-free audio compression format designed for speech";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/sphinxbase/default.nix b/pkgs/development/libraries/sphinxbase/default.nix
index 3e4d64c47ad..008fb608ca0 100644
--- a/pkgs/development/libraries/sphinxbase/default.nix
+++ b/pkgs/development/libraries/sphinxbase/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation (rec {
 
   meta = {
     description = "Support Library for Pocketsphinx";
-    homepage = http://cmusphinx.sourceforge.net;
+    homepage = "http://cmusphinx.sourceforge.net";
     license = stdenv.lib.licenses.bsd2;
     platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/spice-gtk/default.nix b/pkgs/development/libraries/spice-gtk/default.nix
index 7ba120d661b..f418ecda89e 100644
--- a/pkgs/development/libraries/spice-gtk/default.nix
+++ b/pkgs/development/libraries/spice-gtk/default.nix
@@ -125,7 +125,7 @@ stdenv.mkDerivation rec {
       Python bindings are available too.
     '';
 
-    homepage = https://www.spice-space.org/;
+    homepage = "https://www.spice-space.org/";
     license = licenses.lgpl21;
     maintainers = [ maintainers.xeji ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/spice/default.nix b/pkgs/development/libraries/spice/default.nix
index d2c4ddb8631..2e158b98b58 100644
--- a/pkgs/development/libraries/spice/default.nix
+++ b/pkgs/development/libraries/spice/default.nix
@@ -94,7 +94,7 @@ stdenv.mkDerivation rec {
       VD-Interfaces. The VD-Interfaces (VDI) enable both ends of the solution to be easily
       utilized by a third-party component.
     '';
-    homepage = https://www.spice-space.org/;
+    homepage = "https://www.spice-space.org/";
     license = licenses.lgpl21;
 
     maintainers = [ maintainers.bluescreen303 ];
diff --git a/pkgs/development/libraries/sqlcipher/default.nix b/pkgs/development/libraries/sqlcipher/default.nix
index d187187246b..66d30e26a0d 100644
--- a/pkgs/development/libraries/sqlcipher/default.nix
+++ b/pkgs/development/libraries/sqlcipher/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   doCheck = false; # fails. requires tcl?
 
   meta = with stdenv.lib; {
-    homepage = http://sqlcipher.net/;
+    homepage = "http://sqlcipher.net/";
     description = "Full Database Encryption for SQLite";
     platforms = platforms.unix;
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/sqlite/analyzer.nix b/pkgs/development/libraries/sqlite/analyzer.nix
index 38eb1b158c8..4e37febbe75 100644
--- a/pkgs/development/libraries/sqlite/analyzer.nix
+++ b/pkgs/development/libraries/sqlite/analyzer.nix
@@ -22,8 +22,8 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A tool that shows statistics about SQLite databases";
-    downloadPage = http://sqlite.org/download.html;
-    homepage = https://www.sqlite.org;
+    downloadPage = "http://sqlite.org/download.html";
+    homepage = "https://www.sqlite.org";
     license = licenses.publicDomain;
     maintainers = with maintainers; [ pesterhazy ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/sqlite/default.nix b/pkgs/development/libraries/sqlite/default.nix
index a59325ba6ca..245c55e9ea8 100644
--- a/pkgs/development/libraries/sqlite/default.nix
+++ b/pkgs/development/libraries/sqlite/default.nix
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A self-contained, serverless, zero-configuration, transactional SQL database engine";
-    downloadPage = https://sqlite.org/download.html;
+    downloadPage = "https://sqlite.org/download.html";
     homepage = "https://www.sqlite.org/";
     license = licenses.publicDomain;
     maintainers = with maintainers; [ eelco np ];
diff --git a/pkgs/development/libraries/sqlite/sqlar.nix b/pkgs/development/libraries/sqlite/sqlar.nix
index 739dfc3bc5b..78ac8ba6448 100644
--- a/pkgs/development/libraries/sqlite/sqlar.nix
+++ b/pkgs/development/libraries/sqlite/sqlar.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://sqlite.org/sqlar;
+    homepage = "https://sqlite.org/sqlar";
     description = "SQLite Archive utilities";
     license = licenses.bsd2;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/srt/default.nix b/pkgs/development/libraries/srt/default.nix
index 953ba9484fa..32c3135cd4f 100644
--- a/pkgs/development/libraries/srt/default.nix
+++ b/pkgs/development/libraries/srt/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Secure, Reliable, Transport";
-    homepage    = https://www.srtalliance.org;
+    homepage    = "https://www.srtalliance.org";
     license     = licenses.mpl20;
     maintainers = with maintainers; [ nh2 ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/srtp/default.nix b/pkgs/development/libraries/srtp/default.nix
index a906939f529..e8a3ca94434 100644
--- a/pkgs/development/libraries/srtp/default.nix
+++ b/pkgs/development/libraries/srtp/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = https://github.com/cisco/libsrtp;
+    homepage = "https://github.com/cisco/libsrtp";
     description = "Secure RTP (SRTP) Reference Implementation";
     license = licenses.bsd3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/startup-notification/default.nix b/pkgs/development/libraries/startup-notification/default.nix
index 82cbce8055e..bf2522ca780 100644
--- a/pkgs/development/libraries/startup-notification/default.nix
+++ b/pkgs/development/libraries/startup-notification/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   buildInputs = [ libX11 libxcb xcbutil ];
 
   meta = {
-    homepage = http://www.freedesktop.org/software/startup-notification;
+    homepage = "http://www.freedesktop.org/software/startup-notification";
     description = "Application startup notification and feedback library";
     license = stdenv.lib.licenses.lgpl2;
   };
diff --git a/pkgs/development/libraries/stb/default.nix b/pkgs/development/libraries/stb/default.nix
index c2353c7b706..8e57222ded0 100644
--- a/pkgs/development/libraries/stb/default.nix
+++ b/pkgs/development/libraries/stb/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Single-file public domain libraries for C/C++";
-    homepage = https://github.com/nothings/stb;
+    homepage = "https://github.com/nothings/stb";
     license = licenses.publicDomain;
     platforms = platforms.all;
     maintainers = with maintainers; [ jfrankenau ];
diff --git a/pkgs/development/libraries/stfl/default.nix b/pkgs/development/libraries/stfl/default.nix
index 89261b665f5..b0da3dbfa27 100644
--- a/pkgs/development/libraries/stfl/default.nix
+++ b/pkgs/development/libraries/stfl/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage    = http://www.clifford.at/stfl/;
+    homepage    = "http://www.clifford.at/stfl/";
     description = "A library which implements a curses-based widget set for text terminals";
     maintainers = with stdenv.lib.maintainers; [ lovek323 ];
     license     = stdenv.lib.licenses.lgpl3;
diff --git a/pkgs/development/libraries/stlport/default.nix b/pkgs/development/libraries/stlport/default.nix
index ff1a7b57f4a..2d344ab293d 100644
--- a/pkgs/development/libraries/stlport/default.nix
+++ b/pkgs/development/libraries/stlport/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "An implementation of the C++ Standard Library";
-    homepage = https://sourceforge.net/projects/stlport/;
+    homepage = "https://sourceforge.net/projects/stlport/";
     license = stdenv.lib.licenses.free; # seems BSD-like
     broken = true; # probably glibc-2.20 -related issue
   };
diff --git a/pkgs/development/libraries/strigi/default.nix b/pkgs/development/libraries/strigi/default.nix
index 8121b7a501f..33a2ae25b12 100644
--- a/pkgs/development/libraries/strigi/default.nix
+++ b/pkgs/development/libraries/strigi/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     '';
 
   meta = {
-    homepage = http://strigi.sourceforge.net;
+    homepage = "http://strigi.sourceforge.net";
     description = "A very fast and efficient crawler to index data on your harddrive";
     license = "LGPL";
     maintainers = with stdenv.lib.maintainers; [ sander ];
diff --git a/pkgs/development/libraries/stxxl/default.nix b/pkgs/development/libraries/stxxl/default.nix
index 5589a5560eb..fead2c8c1a5 100644
--- a/pkgs/development/libraries/stxxl/default.nix
+++ b/pkgs/development/libraries/stxxl/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An implementation of the C++ standard template library STL for external memory (out-of-core) computations";
-    homepage = https://github.com/stxxl/stxxl;
+    homepage = "https://github.com/stxxl/stxxl";
     license = licenses.boost;
     maintainers = with maintainers; [ ];
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/sundials/2.x.nix b/pkgs/development/libraries/sundials/2.x.nix
index 12840b76940..2d8a8f55c67 100644
--- a/pkgs/development/libraries/sundials/2.x.nix
+++ b/pkgs/development/libraries/sundials/2.x.nix
@@ -53,7 +53,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Suite of nonlinear differential/algebraic equation solvers";
-    homepage    = https://computation.llnl.gov/projects/sundials;
+    homepage    = "https://computation.llnl.gov/projects/sundials";
     platforms   = platforms.all;
     maintainers = with maintainers; [ flokli idontgetoutmuch ];
     license     = licenses.bsd3;
diff --git a/pkgs/development/libraries/sundials/default.nix b/pkgs/development/libraries/sundials/default.nix
index fb6f773459e..2405b1b6fdc 100644
--- a/pkgs/development/libraries/sundials/default.nix
+++ b/pkgs/development/libraries/sundials/default.nix
@@ -41,7 +41,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Suite of nonlinear differential/algebraic equation solvers";
-    homepage    = https://computation.llnl.gov/projects/sundials;
+    homepage    = "https://computation.llnl.gov/projects/sundials";
     platforms   = platforms.all;
     maintainers = with maintainers; [ flokli idontgetoutmuch ];
     license     = licenses.bsd3;
diff --git a/pkgs/development/libraries/swiften/default.nix b/pkgs/development/libraries/swiften/default.nix
index 8d49f79814e..bdac55fe2ec 100644
--- a/pkgs/development/libraries/swiften/default.nix
+++ b/pkgs/development/libraries/swiften/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "An XMPP library for C++, used by the Swift client";
-    homepage    = http://swift.im/swiften.html;
+    homepage    = "http://swift.im/swiften.html";
     license     = licenses.gpl2Plus;
     platforms   = platforms.linux;
     maintainers = [ maintainers.twey ];
diff --git a/pkgs/development/libraries/sword/default.nix b/pkgs/development/libraries/sword/default.nix
index 3d146a5a227..bdbed724b20 100644
--- a/pkgs/development/libraries/sword/default.nix
+++ b/pkgs/development/libraries/sword/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A software framework that allows research manipulation of Biblical texts";
-    homepage = http://www.crosswire.org/sword/;
+    homepage = "http://www.crosswire.org/sword/";
     platforms = platforms.linux;
     license = licenses.gpl2;
     maintainers = [ maintainers.piotr maintainers.AndersonTorres ];
diff --git a/pkgs/development/libraries/symengine/default.nix b/pkgs/development/libraries/symengine/default.nix
index a41b086016b..524958e51a2 100644
--- a/pkgs/development/libraries/symengine/default.nix
+++ b/pkgs/development/libraries/symengine/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "SymEngine is a fast symbolic manipulation library";
-    homepage = https://github.com/symengine/symengine;
+    homepage = "https://github.com/symengine/symengine";
     platforms = platforms.unix ++ platforms.windows;
     license = licenses.bsd3;
     maintainers = [ maintainers.costrouc ];
diff --git a/pkgs/development/libraries/szip/default.nix b/pkgs/development/libraries/szip/default.nix
index f6d4df2eab3..2419cf55442 100644
--- a/pkgs/development/libraries/szip/default.nix
+++ b/pkgs/development/libraries/szip/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Compression library that can be used with the hdf5 library";
-    homepage = https://www.hdfgroup.org/doc_resource/SZIP/;
+    homepage = "https://www.hdfgroup.org/doc_resource/SZIP/";
     license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/development/libraries/t1lib/default.nix b/pkgs/development/libraries/t1lib/default.nix
index 010838efab5..7d42abc6ea1 100644
--- a/pkgs/development/libraries/t1lib/default.nix
+++ b/pkgs/development/libraries/t1lib/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A type 1 font rasterizer library for UNIX/X11";
-    homepage = http://www.t1lib.org/;
+    homepage = "http://www.t1lib.org/";
     license = with licenses; [ gpl2 lgpl2 ];
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/tachyon/default.nix b/pkgs/development/libraries/tachyon/default.nix
index d1d4ee806b8..993cf663121 100644
--- a/pkgs/development/libraries/tachyon/default.nix
+++ b/pkgs/development/libraries/tachyon/default.nix
@@ -69,6 +69,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.bsd3;
     maintainers = [stdenv.lib.maintainers.raskin];
     platforms = with stdenv.lib.platforms; linux ++ cygwin ++ darwin;
-    homepage = http://jedi.ks.uiuc.edu/~johns/tachyon/;
+    homepage = "http://jedi.ks.uiuc.edu/~johns/tachyon/";
   };
 }
diff --git a/pkgs/development/libraries/taglib-sharp/default.nix b/pkgs/development/libraries/taglib-sharp/default.nix
index 28ce5c60481..89d676cf3a3 100644
--- a/pkgs/development/libraries/taglib-sharp/default.nix
+++ b/pkgs/development/libraries/taglib-sharp/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for reading and writing metadata in media files";
-    homepage = https://github.com/mono/taglib-sharp;
+    homepage = "https://github.com/mono/taglib-sharp";
     platforms = platforms.linux;
     license = licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/tclap/default.nix b/pkgs/development/libraries/tclap/default.nix
index 293baa492c5..22fd7b11681 100644
--- a/pkgs/development/libraries/tclap/default.nix
+++ b/pkgs/development/libraries/tclap/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = http://tclap.sourceforge.net/;
+    homepage = "http://tclap.sourceforge.net/";
     description = "Templatized C++ Command Line Parser Library";
     platforms = platforms.all;
     license = licenses.mit;
diff --git a/pkgs/development/libraries/tcllib/default.nix b/pkgs/development/libraries/tcllib/default.nix
index b1add708902..2cb65b9c698 100644
--- a/pkgs/development/libraries/tcllib/default.nix
+++ b/pkgs/development/libraries/tcllib/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ tcl ];
 
   meta = {
-    homepage = https://sourceforge.net/projects/tcllib/;
+    homepage = "https://sourceforge.net/projects/tcllib/";
     description = "Tcl-only library of standard routines for Tcl";
     license = stdenv.lib.licenses.tcltk;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/tcltls/default.nix b/pkgs/development/libraries/tcltls/default.nix
index f1fd6760c61..c26394f6cd5 100644
--- a/pkgs/development/libraries/tcltls/default.nix
+++ b/pkgs/development/libraries/tcltls/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    homepage = http://tls.sourceforge.net/;
+    homepage = "http://tls.sourceforge.net/";
     description = "An OpenSSL / RSA-bsafe Tcl extension";
     license = stdenv.lib.licenses.tcltk;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/tclx/default.nix b/pkgs/development/libraries/tclx/default.nix
index 1cb06377399..5d4727a1831 100644
--- a/pkgs/development/libraries/tclx/default.nix
+++ b/pkgs/development/libraries/tclx/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-tcl=${tcl}/lib" "--exec-prefix=\${prefix}" ];
 
   meta = {
-    homepage = http://tclx.sourceforge.net/;
+    homepage = "http://tclx.sourceforge.net/";
     description = "Tcl extensions";
     license = stdenv.lib.licenses.tcltk;
     maintainers = with stdenv.lib.maintainers; [ kovirobi ];
diff --git a/pkgs/development/libraries/tecla/default.nix b/pkgs/development/libraries/tecla/default.nix
index e835d1d86fd..93cf0670dc7 100644
--- a/pkgs/development/libraries/tecla/default.nix
+++ b/pkgs/development/libraries/tecla/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = {
-    homepage = http://www.astro.caltech.edu/~mcs/tecla/;
+    homepage = "http://www.astro.caltech.edu/~mcs/tecla/";
     description = "Command-line editing library";
     license = "as-is";
 
diff --git a/pkgs/development/libraries/telepathy/farstream/default.nix b/pkgs/development/libraries/telepathy/farstream/default.nix
index 1247d9ffa84..455c761f6ee 100644
--- a/pkgs/development/libraries/telepathy/farstream/default.nix
+++ b/pkgs/development/libraries/telepathy/farstream/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "GObject-based C library that uses Telepathy GLib, Farstream and GStreamer to handle the media streaming part of channels of type Call";
-    homepage = https://telepathy.freedesktop.org/wiki/Components/Telepathy-Farstream/;
+    homepage = "https://telepathy.freedesktop.org/wiki/Components/Telepathy-Farstream/";
     platforms = platforms.linux;
     license = licenses.lgpl21;
   };
diff --git a/pkgs/development/libraries/telepathy/glib/default.nix b/pkgs/development/libraries/telepathy/glib/default.nix
index 7436da50319..ee2f34776d6 100644
--- a/pkgs/development/libraries/telepathy/glib/default.nix
+++ b/pkgs/development/libraries/telepathy/glib/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   passthru.python = python2;
 
   meta = with stdenv.lib; {
-    homepage = https://telepathy.freedesktop.org;
+    homepage = "https://telepathy.freedesktop.org";
     platforms = platforms.unix;
     license = with licenses; [ bsd2 bsd3 lgpl21Plus ];
   };
diff --git a/pkgs/development/libraries/telepathy/qt/default.nix b/pkgs/development/libraries/telepathy/qt/default.nix
index d14010c857e..b8e438819db 100644
--- a/pkgs/development/libraries/telepathy/qt/default.nix
+++ b/pkgs/development/libraries/telepathy/qt/default.nix
@@ -19,7 +19,7 @@ in stdenv.mkDerivation rec {
   patches = [
     # https://github.com/TelepathyIM/telepathy-qt/issues/25
     (fetchpatch {
-      url = https://github.com/TelepathyIM/telepathy-qt/commit/d654dc70dbec7097e96e6d96ca74ab1b5b00ef8c.patch;
+      url = "https://github.com/TelepathyIM/telepathy-qt/commit/d654dc70dbec7097e96e6d96ca74ab1b5b00ef8c.patch";
       sha256 = "1jzd9b9rqh3c8xlq8dr7c0r8aabzf5ywv2gpkk6phh3xwngzrfbh";
     })
   ];
@@ -33,7 +33,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Telepathy Qt bindings";
-    homepage = https://telepathy.freedesktop.org/components/telepathy-qt/;
+    homepage = "https://telepathy.freedesktop.org/components/telepathy-qt/";
     license = licenses.lgpl21;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/template-glib/default.nix b/pkgs/development/libraries/template-glib/default.nix
index 070953d0bbc..3fd6be73a70 100644
--- a/pkgs/development/libraries/template-glib/default.nix
+++ b/pkgs/development/libraries/template-glib/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A library for template expansion which supports calling into GObject Introspection from templates";
-    homepage = https://gitlab.gnome.org/GNOME/template-glib;
+    homepage = "https://gitlab.gnome.org/GNOME/template-glib";
     license = licenses.lgpl21Plus;
     maintainers = gnome3.maintainers;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/tepl/default.nix b/pkgs/development/libraries/tepl/default.nix
index b2c47166153..008f0f5b424 100644
--- a/pkgs/development/libraries/tepl/default.nix
+++ b/pkgs/development/libraries/tepl/default.nix
@@ -36,7 +36,7 @@ in stdenv.mkDerivation {
   passthru.updateScript = gnome3.updateScript { packageName = pname; };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Tepl;
+    homepage = "https://wiki.gnome.org/Projects/Tepl";
     description = "Text editor product line";
     maintainers = [ maintainers.manveru ];
     license = licenses.lgpl21Plus;
diff --git a/pkgs/development/libraries/termbox/default.nix b/pkgs/development/libraries/termbox/default.nix
index 8ebf0156be8..22082f7198f 100644
--- a/pkgs/development/libraries/termbox/default.nix
+++ b/pkgs/development/libraries/termbox/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   # to make the package buildable on Python 3.7
   patches = [
     (fetchpatch {
-      url = https://github.com/nsf/termbox/commit/6fe63ac3ad63dc2c3ac45b770541cc8b7a1d2db7.patch;
+      url = "https://github.com/nsf/termbox/commit/6fe63ac3ad63dc2c3ac45b770541cc8b7a1d2db7.patch";
       sha256 = "1s5747v51sdwvpsg6k9y1j60yn9f63qnylkgy8zrsifjzzd5fzl6";
     })
   ];
diff --git a/pkgs/development/libraries/ti-rpc/default.nix b/pkgs/development/libraries/ti-rpc/default.nix
index 43f1e8b83fe..8bc3c0a6e09 100644
--- a/pkgs/development/libraries/ti-rpc/default.nix
+++ b/pkgs/development/libraries/ti-rpc/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = https://sourceforge.net/projects/libtirpc/;
+    homepage = "https://sourceforge.net/projects/libtirpc/";
     description = "The transport-independent Sun RPC implementation (TI-RPC)";
     license = licenses.bsd3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/ticpp/default.nix b/pkgs/development/libraries/ticpp/default.nix
index e46bf2418bc..01fab29b674 100644
--- a/pkgs/development/libraries/ticpp/default.nix
+++ b/pkgs/development/libraries/ticpp/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Interface to TinyXML";
     license = stdenv.lib.licenses.mit;
-    homepage = https://github.com/wxFormBuilder/ticpp;
+    homepage = "https://github.com/wxFormBuilder/ticpp";
   };
 
 }
diff --git a/pkgs/development/libraries/tidyp/default.nix b/pkgs/development/libraries/tidyp/default.nix
index 51dabbd2beb..f75b8cb0151 100644
--- a/pkgs/development/libraries/tidyp/default.nix
+++ b/pkgs/development/libraries/tidyp/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A program that can validate your HTML, as well as modify it to be more clean and standard";
-    homepage = http://tidyp.com/;
+    homepage = "http://tidyp.com/";
     platforms = platforms.linux;
     maintainers = with maintainers; [ pSub ];
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/tinycdb/default.nix b/pkgs/development/libraries/tinycdb/default.nix
index 19b8640f866..71a105f3fd7 100644
--- a/pkgs/development/libraries/tinycdb/default.nix
+++ b/pkgs/development/libraries/tinycdb/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       structure is tuned for fast reading.
       '';
 
-    homepage = https://www.corpit.ru/mjt/tinycdb.html;
+    homepage = "https://www.corpit.ru/mjt/tinycdb.html";
     license = licenses.publicDomain;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/tinyxml-2/default.nix b/pkgs/development/libraries/tinyxml-2/default.nix
index 4fc1da1fe0a..310b5a447c7 100644
--- a/pkgs/development/libraries/tinyxml-2/default.nix
+++ b/pkgs/development/libraries/tinyxml-2/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A simple, small, efficient, C++ XML parser";
-    homepage = http://www.grinninglizard.com/tinyxml2/index.html;
+    homepage = "http://www.grinninglizard.com/tinyxml2/index.html";
     platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.zlib;
   };
diff --git a/pkgs/development/libraries/tinyxml/2.6.2.nix b/pkgs/development/libraries/tinyxml/2.6.2.nix
index 0cc4038b64e..664030bc1bc 100644
--- a/pkgs/development/libraries/tinyxml/2.6.2.nix
+++ b/pkgs/development/libraries/tinyxml/2.6.2.nix
@@ -73,7 +73,7 @@ in stdenv.mkDerivation {
 
   meta = {
     description = "Simple, small, C++ XML parser that can be easily integrating into other programs";
-    homepage = http://www.grinninglizard.com/tinyxml/index.html;
+    homepage = "http://www.grinninglizard.com/tinyxml/index.html";
     license = stdenv.lib.licenses.free;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/tix/default.nix b/pkgs/development/libraries/tix/default.nix
index 507f2fb275b..f0b460b6f3d 100644
--- a/pkgs/development/libraries/tix/default.nix
+++ b/pkgs/development/libraries/tix/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A widget library for Tcl/Tk";
-    homepage    = http://tix.sourceforge.net/;
+    homepage    = "http://tix.sourceforge.net/";
     platforms   = platforms.all;
     license     = with licenses; [
       bsd2 # tix
diff --git a/pkgs/development/libraries/tk/generic.nix b/pkgs/development/libraries/tk/generic.nix
index a65c6053f29..745be0be922 100644
--- a/pkgs/development/libraries/tk/generic.nix
+++ b/pkgs/development/libraries/tk/generic.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A widget toolkit that provides a library of basic elements for building a GUI in many different programming languages";
-    homepage = https://www.tcl.tk/;
+    homepage = "https://www.tcl.tk/";
     license = licenses.tcltk;
     platforms = platforms.all;
     maintainers = with maintainers; [ lovek323 vrthra ];
diff --git a/pkgs/development/libraries/tl-expected/default.nix b/pkgs/development/libraries/tl-expected/default.nix
index 9de97229e0b..e91c42c884c 100644
--- a/pkgs/development/libraries/tl-expected/default.nix
+++ b/pkgs/development/libraries/tl-expected/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++11/14/17 std::expected with functional-style extensions";
-    homepage = https://tl.tartanllama.xyz/en/latest/api/expected.html;
+    homepage = "https://tl.tartanllama.xyz/en/latest/api/expected.html";
     license = licenses.cc0;
     platforms = platforms.all;
     maintainers = with maintainers; [ primeos ];
diff --git a/pkgs/development/libraries/tnt/default.nix b/pkgs/development/libraries/tnt/default.nix
index 13e8f783915..7e8aa2983cf 100644
--- a/pkgs/development/libraries/tnt/default.nix
+++ b/pkgs/development/libraries/tnt/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   version = "3.0.12";
   
   src = fetchurl {
-    url = https://math.nist.gov/tnt/tnt_3_0_12.zip;
+    url = "https://math.nist.gov/tnt/tnt_3_0_12.zip";
     sha256 = "1bzkfdb598584qlc058n8wqq9vbz714gr5r57401rsa9qaxhk5j7";
   };
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = https://math.nist.gov/tnt/;
+    homepage = "https://math.nist.gov/tnt/";
     description = "Template Numerical Toolkit: C++ headers for array and matrices";
     license = stdenv.lib.licenses.publicDomain;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/tntdb/default.nix b/pkgs/development/libraries/tntdb/default.nix
index 2d6ae3f18ca..ff14c8c3305 100644
--- a/pkgs/development/libraries/tntdb/default.nix
+++ b/pkgs/development/libraries/tntdb/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.tntnet.org/tntdb.html;
+    homepage = "http://www.tntnet.org/tntdb.html";
     description = "C++ library which makes accessing SQL databases easy and robust";
     platforms = platforms.linux ;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/tntnet/default.nix b/pkgs/development/libraries/tntnet/default.nix
index 86b0080a824..332750d7694 100644
--- a/pkgs/development/libraries/tntnet/default.nix
+++ b/pkgs/development/libraries/tntnet/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.tntnet.org/tntnet.html;
+    homepage = "http://www.tntnet.org/tntnet.html";
     description = "Web server which allows users to develop web applications using C++";
     platforms = platforms.linux ;
     license = licenses.lgpl21;
diff --git a/pkgs/development/libraries/tokyo-tyrant/default.nix b/pkgs/development/libraries/tokyo-tyrant/default.nix
index 358da431e1c..5b58bf41672 100644
--- a/pkgs/development/libraries/tokyo-tyrant/default.nix
+++ b/pkgs/development/libraries/tokyo-tyrant/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
          licensed under the GNU Lesser General Public License.
        '';
 
-    homepage = https://fallabs.com/tokyotyrant/;
+    homepage = "https://fallabs.com/tokyotyrant/";
 
     license = stdenv.lib.licenses.lgpl21Plus;
 
diff --git a/pkgs/development/libraries/totem-pl-parser/default.nix b/pkgs/development/libraries/totem-pl-parser/default.nix
index dd2e43f9bf0..2a6c8c28d1a 100644
--- a/pkgs/development/libraries/totem-pl-parser/default.nix
+++ b/pkgs/development/libraries/totem-pl-parser/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libxml2 ];
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Apps/Videos;
+    homepage = "https://wiki.gnome.org/Apps/Videos";
     description = "Simple GObject-based library to parse and save a host of playlist formats";
     maintainers = gnome3.maintainers;
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/tpm2-tss/default.nix b/pkgs/development/libraries/tpm2-tss/default.nix
index 6195c80e24b..b264c3bc6c6 100644
--- a/pkgs/development/libraries/tpm2-tss/default.nix
+++ b/pkgs/development/libraries/tpm2-tss/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "OSS implementation of the TCG TPM2 Software Stack (TSS2)";
-    homepage = https://github.com/tpm2-software/tpm2-tss;
+    homepage = "https://github.com/tpm2-software/tpm2-tss";
     license = licenses.bsd2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ delroth ];
diff --git a/pkgs/development/libraries/tracker-miners/default.nix b/pkgs/development/libraries/tracker-miners/default.nix
index a60f1b1e79f..2e69524e9c7 100644
--- a/pkgs/development/libraries/tracker-miners/default.nix
+++ b/pkgs/development/libraries/tracker-miners/default.nix
@@ -113,7 +113,7 @@ stdenv.mkDerivation rec {
     })
     # https://bugzilla.gnome.org/show_bug.cgi?id=795576
     (fetchurl {
-      url = https://bugzilla.gnome.org/attachment.cgi?id=371427;
+      url = "https://bugzilla.gnome.org/attachment.cgi?id=371427";
       sha256 = "187flswvzymjfxwfrrhizb1cvs780zm39aa3i2vwa5fbllr7kcpf";
     })
   ];
@@ -130,7 +130,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Tracker;
+    homepage = "https://wiki.gnome.org/Projects/Tracker";
     description = "Desktop-neutral user information store, search tool and indexer";
     maintainers = gnome3.maintainers;
     license = licenses.gpl2Plus;
diff --git a/pkgs/development/libraries/tracker/default.nix b/pkgs/development/libraries/tracker/default.nix
index 4638788aee7..8274a379973 100644
--- a/pkgs/development/libraries/tracker/default.nix
+++ b/pkgs/development/libraries/tracker/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://wiki.gnome.org/Projects/Tracker;
+    homepage = "https://wiki.gnome.org/Projects/Tracker";
     description = "Desktop-neutral user information store, search tool and indexer";
     maintainers = gnome3.maintainers;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/tre/default.nix b/pkgs/development/libraries/tre/default.nix
index d5ed35694c5..80806848846 100644
--- a/pkgs/development/libraries/tre/default.nix
+++ b/pkgs/development/libraries/tre/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   patches = [
     (fetchpatch {
-      url = https://sources.debian.net/data/main/t/tre/0.8.0-6/debian/patches/03-cve-2016-8859;
+      url = "https://sources.debian.net/data/main/t/tre/0.8.0-6/debian/patches/03-cve-2016-8859";
       sha256 = "0navhizym6qxd4gngrsslbij8x9r3s67p1jzzhvsnq6ky49j7w3p";
     })
   ];
diff --git a/pkgs/development/libraries/tremor/default.nix b/pkgs/development/libraries/tremor/default.nix
index 91b6d2cb167..c2cb8a836bf 100644
--- a/pkgs/development/libraries/tremor/default.nix
+++ b/pkgs/development/libraries/tremor/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "tremor-unstable-2018-03-16";
 
   src = fetchgit {
-    url = https://git.xiph.org/tremor.git;
+    url = "https://git.xiph.org/tremor.git";
     rev = "562307a4a7082e24553f3d2c55dab397a17c4b4f";
     sha256 = "0m07gq4zfgigsiz8b518xyb19v7qqp76qmp7lb262825vkqzl3zq";
   };
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = https://xiph.org/tremor/;
+    homepage = "https://xiph.org/tremor/";
     description = "Fixed-point version of the Ogg Vorbis decoder";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/tsocks/default.nix b/pkgs/development/libraries/tsocks/default.nix
index d5af39d3f2a..f2018286a3e 100644
--- a/pkgs/development/libraries/tsocks/default.nix
+++ b/pkgs/development/libraries/tsocks/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Transparent SOCKS v4 proxying library";
-    homepage = http://tsocks.sourceforge.net/;
+    homepage = "http://tsocks.sourceforge.net/";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with maintainers; [ edwtjo phreedom ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/twolame/default.nix b/pkgs/development/libraries/twolame/default.nix
index e1284c39aa3..7c44731ef13 100644
--- a/pkgs/development/libraries/twolame/default.nix
+++ b/pkgs/development/libraries/twolame/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
       tooLAME by Mike Cheng, which in turn is based upon the ISO dist10
       code and portions of LAME.
     '';
-    homepage = http://www.twolame.org/;
+    homepage = "http://www.twolame.org/";
     license = with licenses; [ lgpl2Plus ];
     platforms = with platforms; unix;
     maintainers = with maintainers; [ AndersonTorres ];
diff --git a/pkgs/development/libraries/ucl/default.nix b/pkgs/development/libraries/ucl/default.nix
index 933a3afef35..f25a6313752 100644
--- a/pkgs/development/libraries/ucl/default.nix
+++ b/pkgs/development/libraries/ucl/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation {
   name = "ucl-1.03";
   src = fetchurl {
-    url = https://www.oberhumer.com/opensource/ucl/download/ucl-1.03.tar.gz;
+    url = "https://www.oberhumer.com/opensource/ucl/download/ucl-1.03.tar.gz";
     sha256 = "b865299ffd45d73412293369c9754b07637680e5c826915f097577cd27350348";
   };
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.cc.isGNU "-std=c90";
 
   meta = {
-    homepage = http://www.oberhumer.com/opensource/ucl/;
+    homepage = "http://www.oberhumer.com/opensource/ucl/";
     description = "Portable lossless data compression library";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/ucommon/default.nix b/pkgs/development/libraries/ucommon/default.nix
index 53e10b468ba..1c20ce6d9c8 100644
--- a/pkgs/development/libraries/ucommon/default.nix
+++ b/pkgs/development/libraries/ucommon/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ library to facilitate using C++ design patterns";
-    homepage = https://www.gnu.org/software/commoncpp/;
+    homepage = "https://www.gnu.org/software/commoncpp/";
     license = stdenv.lib.licenses.lgpl3Plus;
 
     maintainers = with stdenv.lib.maintainers; [ ];
diff --git a/pkgs/development/libraries/ucx/default.nix b/pkgs/development/libraries/ucx/default.nix
index d1e3934d882..9ec8ca660cf 100644
--- a/pkgs/development/libraries/ucx/default.nix
+++ b/pkgs/development/libraries/ucx/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "Unified Communication X library";
-    homepage = http://www.openucx.org;
+    homepage = "http://www.openucx.org";
     license = licenses.bsd3;
     platforms = platforms.linux;
     maintainers = [ maintainers.markuskowa ];
diff --git a/pkgs/development/libraries/udns/default.nix b/pkgs/development/libraries/udns/default.nix
index 18f270e70db..41fb6e7abff 100644
--- a/pkgs/development/libraries/udns/default.nix
+++ b/pkgs/development/libraries/udns/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   outputDevdoc = "out";
 
   meta = with stdenv.lib; {
-    homepage = http://www.corpit.ru/mjt/udns.html;
+    homepage = "http://www.corpit.ru/mjt/udns.html";
     description = "Async-capable DNS stub resolver library";
     license = licenses.lgpl21Plus;
     maintainers = [ maintainers.womfoo ];
diff --git a/pkgs/development/libraries/udunits/default.nix b/pkgs/development/libraries/udunits/default.nix
index faee73fd393..65e88f8fd8c 100644
--- a/pkgs/development/libraries/udunits/default.nix
+++ b/pkgs/development/libraries/udunits/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ expat ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.unidata.ucar.edu/software/udunits/;
+    homepage = "https://www.unidata.ucar.edu/software/udunits/";
     description = "A C-based package for the programatic handling of units of physical quantities";
     license = licenses.bsdOriginal;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/uhttpmock/default.nix b/pkgs/development/libraries/uhttpmock/default.nix
index 1b5fbe6c2ca..085741a66f8 100644
--- a/pkgs/development/libraries/uhttpmock/default.nix
+++ b/pkgs/development/libraries/uhttpmock/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "Project for mocking web service APIs which use HTTP or HTTPS";
-    homepage = https://gitlab.com/groups/uhttpmock/;
+    homepage = "https://gitlab.com/groups/uhttpmock/";
     license = licenses.lgpl21;
     maintainers = with maintainers; [ ];
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/unicap/default.nix b/pkgs/development/libraries/unicap/default.nix
index 7fa8fe81c11..2c2b814b68d 100644
--- a/pkgs/development/libraries/unicap/default.nix
+++ b/pkgs/development/libraries/unicap/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Universal video capture API";
-    homepage = http://www.unicap-imaging.org/;
+    homepage = "http://www.unicap-imaging.org/";
     maintainers = [ maintainers.raskin ];
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/unittest-cpp/default.nix b/pkgs/development/libraries/unittest-cpp/default.nix
index 0e5971945f3..7dd8e071567 100644
--- a/pkgs/development/libraries/unittest-cpp/default.nix
+++ b/pkgs/development/libraries/unittest-cpp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   doCheck = false;
 
   meta = {
-    homepage = https://github.com/unittest-cpp/unittest-cpp;
+    homepage = "https://github.com/unittest-cpp/unittest-cpp";
     description = "Lightweight unit testing framework for C++";
     license = licenses.mit;
     maintainers = [];
diff --git a/pkgs/development/libraries/unixODBC/default.nix b/pkgs/development/libraries/unixODBC/default.nix
index 3a51e2c986a..a4fcac2a358 100644
--- a/pkgs/development/libraries/unixODBC/default.nix
+++ b/pkgs/development/libraries/unixODBC/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "ODBC driver manager for Unix";
-    homepage = http://www.unixodbc.org/;
+    homepage = "http://www.unixodbc.org/";
     license = licenses.lgpl2;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/unixODBCDrivers/default.nix b/pkgs/development/libraries/unixODBCDrivers/default.nix
index da15ece559a..6de0aabe70c 100644
--- a/pkgs/development/libraries/unixODBCDrivers/default.nix
+++ b/pkgs/development/libraries/unixODBCDrivers/default.nix
@@ -21,7 +21,7 @@
 
     meta = with stdenv.lib; {
       description = "Official PostgreSQL ODBC Driver";
-      homepage =  https://odbc.postgresql.org/;
+      homepage =  "https://odbc.postgresql.org/";
       license = licenses.lgpl2;
       platforms = platforms.linux;
     };
@@ -62,7 +62,7 @@
 
     meta = with stdenv.lib; {
       description = "MariaDB ODBC database driver";
-      homepage =  https://downloads.mariadb.org/connector-odbc/;
+      homepage =  "https://downloads.mariadb.org/connector-odbc/";
       license = licenses.gpl2;
       platforms = platforms.linux ++ platforms.darwin;
     };
@@ -90,7 +90,7 @@
 
     meta = with stdenv.lib; {
       description = "MariaDB ODBC database driver";
-      homepage = https://dev.mysql.com/downloads/connector/odbc/;
+      homepage = "https://dev.mysql.com/downloads/connector/odbc/";
       license = licenses.gpl2;
       platforms = platforms.linux;
       broken = true;
@@ -125,7 +125,7 @@
 
     meta = with stdenv.lib; {
       description = "ODBC driver for SQLite";
-      homepage = http://www.ch-werner.de/sqliteodbc;
+      homepage = "http://www.ch-werner.de/sqliteodbc";
       license = licenses.bsd2;
       platforms = platforms.linux;
       maintainers = with maintainers; [ vlstill ];
@@ -168,7 +168,7 @@
 
     meta = with stdenv.lib; {
       description = "ODBC Driver 17 for SQL Server";
-      homepage = https://docs.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server?view=sql-server-2017;
+      homepage = "https://docs.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server?view=sql-server-2017";
       license = licenses.unfree;
       platforms = platforms.linux;
       maintainers = with maintainers; [ spencerjanssen ];
diff --git a/pkgs/development/libraries/uri/default.nix b/pkgs/development/libraries/uri/default.nix
index 5e5f4c9e8ca..c96629072f9 100644
--- a/pkgs/development/libraries/uri/default.nix
+++ b/pkgs/development/libraries/uri/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "C++ URI library";
-    homepage = https://cpp-netlib.org;
+    homepage = "https://cpp-netlib.org";
     license = stdenv.lib.licenses.boost;
     platforms = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/libraries/uriparser/default.nix b/pkgs/development/libraries/uriparser/default.nix
index 9c48488bff8..971e053d4f6 100644
--- a/pkgs/development/libraries/uriparser/default.nix
+++ b/pkgs/development/libraries/uriparser/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   doCheck = stdenv.targetPlatform.system == stdenv.hostPlatform.system;
 
   meta = with stdenv.lib; {
-    homepage = https://uriparser.github.io/;
+    homepage = "https://uriparser.github.io/";
     description = "Strictly RFC 3986 compliant URI parsing library";
     longDescription = ''
       uriparser is a strictly RFC 3986 compliant URI parsing and handling library written in C.
diff --git a/pkgs/development/libraries/usbredir/default.nix b/pkgs/development/libraries/usbredir/default.nix
index 8e43135196c..79cac738498 100644
--- a/pkgs/development/libraries/usbredir/default.nix
+++ b/pkgs/development/libraries/usbredir/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "USB traffic redirection protocol";
-    homepage = http://spice-space.org/page/UsbRedir;
+    homepage = "http://spice-space.org/page/UsbRedir";
     license = licenses.lgpl21;
 
     maintainers = [ maintainers.offline ];
diff --git a/pkgs/development/libraries/ustr/default.nix b/pkgs/development/libraries/ustr/default.nix
index 18eae87e11c..b6bb02d56e4 100644
--- a/pkgs/development/libraries/ustr/default.nix
+++ b/pkgs/development/libraries/ustr/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.and.org/ustr/;
+    homepage = "http://www.and.org/ustr/";
     description = "Micro String API for C language";
     license = licenses.bsd2;
     maintainers = [ maintainers.phreedom ];
diff --git a/pkgs/development/libraries/uthash/default.nix b/pkgs/development/libraries/uthash/default.nix
index e6cd0827639..d2c5b6ab11d 100644
--- a/pkgs/development/libraries/uthash/default.nix
+++ b/pkgs/development/libraries/uthash/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A hash table for C structures";
-    homepage    = http://troydhanson.github.io/uthash;
+    homepage    = "http://troydhanson.github.io/uthash";
     license     = licenses.bsd2; # it's one-clause, actually, as it's source-only
     platforms   = platforms.all;
   };
diff --git a/pkgs/development/libraries/vaapi-intel-hybrid/default.nix b/pkgs/development/libraries/vaapi-intel-hybrid/default.nix
index 678d7dd265c..6462bfd5e62 100644
--- a/pkgs/development/libraries/vaapi-intel-hybrid/default.nix
+++ b/pkgs/development/libraries/vaapi-intel-hybrid/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [
     # driver_init: load libva-x11.so for any ABI version
     (fetchurl {
-      url = https://github.com/01org/intel-hybrid-driver/pull/26.diff;
+      url = "https://github.com/01org/intel-hybrid-driver/pull/26.diff";
       sha256 = "1ql4mbi5x1d2a5c8mkjvciaq60zj8nhx912992winbhfkyvpb3gx";
     })
   ];
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://01.org/linuxmedia;
+    homepage = "https://01.org/linuxmedia";
     description = "Intel driver for the VAAPI library with partial HW acceleration";
     license = licenses.mit;
     maintainers = with maintainers; [ tadfisher ];
diff --git a/pkgs/development/libraries/vaapi-intel/default.nix b/pkgs/development/libraries/vaapi-intel/default.nix
index 1775d5fffc5..c61429324ed 100644
--- a/pkgs/development/libraries/vaapi-intel/default.nix
+++ b/pkgs/development/libraries/vaapi-intel/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = https://01.org/linuxmedia;
+    homepage = "https://01.org/linuxmedia";
     license = licenses.mit;
     description = "Intel driver for the VAAPI library";
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/vapoursynth-mvtools/default.nix b/pkgs/development/libraries/vapoursynth-mvtools/default.nix
index 8a2e3af4791..dc2869f3723 100644
--- a/pkgs/development/libraries/vapoursynth-mvtools/default.nix
+++ b/pkgs/development/libraries/vapoursynth-mvtools/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A set of filters for motion estimation and compensation";
-    homepage = https://github.com/dubhater/vapoursynth-mvtools;
+    homepage = "https://github.com/dubhater/vapoursynth-mvtools";
     license  = licenses.gpl2;
     maintainers = with maintainers; [ rnhmjoj ];
   };
diff --git a/pkgs/development/libraries/vapoursynth/default.nix b/pkgs/development/libraries/vapoursynth/default.nix
index 0cdbe396a10..46c97e0dae9 100644
--- a/pkgs/development/libraries/vapoursynth/default.nix
+++ b/pkgs/development/libraries/vapoursynth/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A video processing framework with the future in mind";
-    homepage    = http://www.vapoursynth.com/;
+    homepage    = "http://www.vapoursynth.com/";
     license     = licenses.lgpl21;
     platforms   = platforms.x86_64;
     maintainers = with maintainers; [ rnhmjoj tadeokondrak ];
diff --git a/pkgs/development/libraries/vc/0.7.nix b/pkgs/development/libraries/vc/0.7.nix
index 18b2659cc5d..46a3a3e52f0 100644
--- a/pkgs/development/libraries/vc/0.7.nix
+++ b/pkgs/development/libraries/vc/0.7.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for multiprecision complex arithmetic with exact rounding";
-    homepage = https://github.com/VcDevel/Vc;
+    homepage = "https://github.com/VcDevel/Vc";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/vc/default.nix b/pkgs/development/libraries/vc/default.nix
index 2194c7be38b..49d3f9af719 100644
--- a/pkgs/development/libraries/vc/default.nix
+++ b/pkgs/development/libraries/vc/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for multiprecision complex arithmetic with exact rounding";
-    homepage = https://github.com/VcDevel/Vc;
+    homepage = "https://github.com/VcDevel/Vc";
     license = licenses.bsd3;
     platforms = platforms.all;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/vcdimager/default.nix b/pkgs/development/libraries/vcdimager/default.nix
index 480b8f7bcd7..c7f375c2078 100644
--- a/pkgs/development/libraries/vcdimager/default.nix
+++ b/pkgs/development/libraries/vcdimager/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ libcdio ];
 
   meta = with lib; {
-    homepage = https://www.gnu.org/software/vcdimager/;
+    homepage = "https://www.gnu.org/software/vcdimager/";
     description = "Full-featured mastering suite for authoring, disassembling and analyzing Video CDs and Super Video CDs";
     platforms = platforms.unix;
     license = licenses.gpl2;
diff --git a/pkgs/development/libraries/vcg/default.nix b/pkgs/development/libraries/vcg/default.nix
index eb37d14b532..a8a24750744 100644
--- a/pkgs/development/libraries/vcg/default.nix
+++ b/pkgs/development/libraries/vcg/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://vcg.isti.cnr.it/vcglib/install.html;
+    homepage = "http://vcg.isti.cnr.it/vcglib/install.html";
     description = "C++ library for manipulation, processing and displaying with OpenGL of triangle and tetrahedral meshes";
     license = licenses.gpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/vid-stab/default.nix b/pkgs/development/libraries/vid-stab/default.nix
index eb88b36a142..e22396f8aa3 100644
--- a/pkgs/development/libraries/vid-stab/default.nix
+++ b/pkgs/development/libraries/vid-stab/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   
   meta = with stdenv.lib; {
     description = "Video stabilization library";
-    homepage    = http://public.hronopik.de/vid.stab/;
+    homepage    = "http://public.hronopik.de/vid.stab/";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/vigra/default.nix b/pkgs/development/libraries/vigra/default.nix
index 625ec2cee38..8720a39f301 100644
--- a/pkgs/development/libraries/vigra/default.nix
+++ b/pkgs/development/libraries/vigra/default.nix
@@ -37,7 +37,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Novel computer vision C++ library with customizable algorithms and data structures";
-    homepage = https://hci.iwr.uni-heidelberg.de/vigra;
+    homepage = "https://hci.iwr.uni-heidelberg.de/vigra";
     license = licenses.mit;
     maintainers = [ maintainers.viric ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/vmime/default.nix b/pkgs/development/libraries/vmime/default.nix
index a68880c2f95..e0c58096cfa 100644
--- a/pkgs/development/libraries/vmime/default.nix
+++ b/pkgs/development/libraries/vmime/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = {
-    homepage = https://www.vmime.org/;
+    homepage = "https://www.vmime.org/";
     description = "Free mail library for C++";
     license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [viric];
diff --git a/pkgs/development/libraries/vmmlib/default.nix b/pkgs/development/libraries/vmmlib/default.nix
index b9eb29422c5..21c186a6732 100644
--- a/pkgs/development/libraries/vmmlib/default.nix
+++ b/pkgs/development/libraries/vmmlib/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
             computations and frustum culling classes, and spatial data structures'';
 
     license     = licenses.bsd2;
-    homepage    = https://github.com/VMML/vmmlib/;
+    homepage    = "https://github.com/VMML/vmmlib/";
     maintainers = [ maintainers.adev ];
     platforms   = platforms.all;
   };
diff --git a/pkgs/development/libraries/vo-amrwbenc/default.nix b/pkgs/development/libraries/vo-amrwbenc/default.nix
index 1a900c3135c..9f35bf4ad84 100644
--- a/pkgs/development/libraries/vo-amrwbenc/default.nix
+++ b/pkgs/development/libraries/vo-amrwbenc/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   meta = {
-    homepage = https://sourceforge.net/projects/opencore-amr/;
+    homepage = "https://sourceforge.net/projects/opencore-amr/";
     description = "VisualOn Adaptive Multi Rate Wideband (AMR-WB) encoder";
     license = stdenv.lib.licenses.asl20;
     maintainers = [ stdenv.lib.maintainers.Esteth ];
diff --git a/pkgs/development/libraries/volume-key/default.nix b/pkgs/development/libraries/volume-key/default.nix
index 2b0a807bfa7..7ac5a437010 100644
--- a/pkgs/development/libraries/volume-key/default.nix
+++ b/pkgs/development/libraries/volume-key/default.nix
@@ -11,7 +11,7 @@ in stdenv.mkDerivation {
   inherit version;
 
   src = fetchgit {
-    url = https://pagure.io/volume_key.git;
+    url = "https://pagure.io/volume_key.git";
     rev = "volume_key-${version}";
     sha256 = "1sqdbcih1c39bjiv4mm1m7acc3lfh2i2hf2r9i7rk8adfzq8awma";
   };
@@ -40,7 +40,7 @@ in stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     description = "A library for manipulating storage volume encryption keys and storing them separately from volumes to handle forgotten passphrases, and the associated command-line tool";
-    homepage = https://pagure.io/volume_key/;
+    homepage = "https://pagure.io/volume_key/";
     license = licenses.gpl2;
     maintainers = with maintainers; [];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/vrb/default.nix b/pkgs/development/libraries/vrb/default.nix
index efd60fe66fb..a85e27d42b7 100644
--- a/pkgs/development/libraries/vrb/default.nix
+++ b/pkgs/development/libraries/vrb/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "A virtual ring buffer library written in C";
     license     = licenses.lgpl21;
-    homepage    = http://vrb.sourceforge.net/;
+    homepage    = "http://vrb.sourceforge.net/";
     maintainers = [ maintainers.bobvanderlinden ];
     platforms   = platforms.linux;
   };
diff --git a/pkgs/development/libraries/vrpn/default.nix b/pkgs/development/libraries/vrpn/default.nix
index 688dc8d451e..b45c83ab1ae 100644
--- a/pkgs/development/libraries/vrpn/default.nix
+++ b/pkgs/development/libraries/vrpn/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
       set of physical devices (tracker, etc.) used in a virtual-reality
       (VR) system.
     '';
-    homepage    = https://github.com/vrpn/vrpn;
+    homepage    = "https://github.com/vrpn/vrpn";
     license     = licenses.boost; # see https://github.com/vrpn/vrpn/wiki/License
     platforms   = platforms.linux;
     maintainers = with maintainers; [ ludo ];
diff --git a/pkgs/development/libraries/vsqlite/default.nix b/pkgs/development/libraries/vsqlite/default.nix
index fd0e90941b8..e54a4a40af1 100644
--- a/pkgs/development/libraries/vsqlite/default.nix
+++ b/pkgs/development/libraries/vsqlite/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://vsqlite.virtuosic-bytes.com/;
+    homepage = "http://vsqlite.virtuosic-bytes.com/";
     description = "C++ wrapper library for sqlite.";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/vte/2.90.nix b/pkgs/development/libraries/vte/2.90.nix
index e091f6a3917..59d0acada13 100644
--- a/pkgs/development/libraries/vte/2.90.nix
+++ b/pkgs/development/libraries/vte/2.90.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnome.org/;
+    homepage = "https://www.gnome.org/";
     description = "A library implementing a terminal emulator widget for GTK";
     longDescription = ''
       VTE is a library (libvte) implementing a terminal emulator widget for
diff --git a/pkgs/development/libraries/vte/default.nix b/pkgs/development/libraries/vte/default.nix
index 8bd8d2e990b..901f4fca8e2 100644
--- a/pkgs/development/libraries/vte/default.nix
+++ b/pkgs/development/libraries/vte/default.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://www.gnome.org/;
+    homepage = "https://www.gnome.org/";
     description = "A library implementing a terminal emulator widget for GTK";
     longDescription = ''
       VTE is a library (libvte) implementing a terminal emulator widget for
diff --git a/pkgs/development/libraries/vtk/default.nix b/pkgs/development/libraries/vtk/default.nix
index f79f79a6259..a7e1bc43290 100644
--- a/pkgs/development/libraries/vtk/default.nix
+++ b/pkgs/development/libraries/vtk/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Open source libraries for 3D computer graphics, image processing and visualization";
-    homepage = http://www.vtk.org/;
+    homepage = "http://www.vtk.org/";
     license = stdenv.lib.licenses.bsd3;
     maintainers = with stdenv.lib.maintainers; [ knedlsepp ];
     platforms = with stdenv.lib.platforms; unix;
diff --git a/pkgs/development/libraries/vulkan-headers/default.nix b/pkgs/development/libraries/vulkan-headers/default.nix
index ee6e58fab28..33926940904 100644
--- a/pkgs/development/libraries/vulkan-headers/default.nix
+++ b/pkgs/development/libraries/vulkan-headers/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Vulkan Header files and API registry";
-    homepage    = https://www.lunarg.com;
+    homepage    = "https://www.lunarg.com";
     platforms   = platforms.linux;
     license     = licenses.asl20;
     maintainers = [ maintainers.ralith ];
diff --git a/pkgs/development/libraries/vulkan-loader/default.nix b/pkgs/development/libraries/vulkan-loader/default.nix
index b1f2663e7f8..53f492bf8b0 100644
--- a/pkgs/development/libraries/vulkan-loader/default.nix
+++ b/pkgs/development/libraries/vulkan-loader/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "LunarG Vulkan loader";
-    homepage    = https://www.lunarg.com;
+    homepage    = "https://www.lunarg.com";
     platforms   = platforms.linux;
     license     = licenses.asl20;
     maintainers = [ maintainers.ralith ];
diff --git a/pkgs/development/libraries/vxl/default.nix b/pkgs/development/libraries/vxl/default.nix
index 17d11d4fb74..58622cb98cb 100644
--- a/pkgs/development/libraries/vxl/default.nix
+++ b/pkgs/development/libraries/vxl/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "C++ Libraries for Computer Vision Research and Implementation";
-    homepage = http://vxl.sourceforge.net/;
+    homepage = "http://vxl.sourceforge.net/";
     license = "VXL License";
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/development/libraries/wavpack/default.nix b/pkgs/development/libraries/wavpack/default.nix
index 808836af1de..329de97d39e 100644
--- a/pkgs/development/libraries/wavpack/default.nix
+++ b/pkgs/development/libraries/wavpack/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Hybrid audio compression format";
-    homepage    = http://www.wavpack.com/;
+    homepage    = "http://www.wavpack.com/";
     license     = licenses.bsd3;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ codyopel ];
diff --git a/pkgs/development/libraries/wayland/default.nix b/pkgs/development/libraries/wayland/default.nix
index ef88e690067..e3b2941e8ee 100644
--- a/pkgs/development/libraries/wayland/default.nix
+++ b/pkgs/development/libraries/wayland/default.nix
@@ -57,7 +57,7 @@ in stdenv.mkDerivation rec {
       and other interactions that must go through the compositor (but not
       rendering).
     '';
-    homepage    = https://wayland.freedesktop.org/;
+    homepage    = "https://wayland.freedesktop.org/";
     license     = lib.licenses.mit; # Expat version
     platforms   = lib.platforms.linux;
     maintainers = with lib.maintainers; [ primeos codyopel ];
diff --git a/pkgs/development/libraries/wayland/protocols.nix b/pkgs/development/libraries/wayland/protocols.nix
index 41495b1c2e5..66d5d50c9d8 100644
--- a/pkgs/development/libraries/wayland/protocols.nix
+++ b/pkgs/development/libraries/wayland/protocols.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
       protocol either in Wayland core, or some other protocol in
       wayland-protocols.
     '';
-    homepage    = https://gitlab.freedesktop.org/wayland/wayland-protocols;
+    homepage    = "https://gitlab.freedesktop.org/wayland/wayland-protocols";
     license     = lib.licenses.mit; # Expat version
     platforms   = lib.platforms.linux;
     maintainers = with lib.maintainers; [ primeos ];
diff --git a/pkgs/development/libraries/waylandpp/default.nix b/pkgs/development/libraries/waylandpp/default.nix
index 4fd94a29f9c..06faec558c0 100644
--- a/pkgs/development/libraries/waylandpp/default.nix
+++ b/pkgs/development/libraries/waylandpp/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Wayland C++ binding";
-    homepage = https://github.com/NilsBrause/waylandpp/;
+    homepage = "https://github.com/NilsBrause/waylandpp/";
     license = with licenses; [ bsd2 hpnd ];
     maintainers = with maintainers; [ minijackson ];
   };
diff --git a/pkgs/development/libraries/webkitgtk/default.nix b/pkgs/development/libraries/webkitgtk/default.nix
index ee83adac098..2011e5279d1 100644
--- a/pkgs/development/libraries/webkitgtk/default.nix
+++ b/pkgs/development/libraries/webkitgtk/default.nix
@@ -176,7 +176,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Web content rendering engine, GTK port";
-    homepage = https://webkitgtk.org/;
+    homepage = "https://webkitgtk.org/";
     license = licenses.bsd2;
     platforms = platforms.linux;
     hydraPlatforms = [];
diff --git a/pkgs/development/libraries/webrtc-audio-processing/default.nix b/pkgs/development/libraries/webrtc-audio-processing/default.nix
index b22d339617c..91d93352da1 100644
--- a/pkgs/development/libraries/webrtc-audio-processing/default.nix
+++ b/pkgs/development/libraries/webrtc-audio-processing/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing;
+    homepage = "http://www.freedesktop.org/software/pulseaudio/webrtc-audio-processing";
     description = "A more Linux packaging friendly copy of the AudioProcessing module from the WebRTC project";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/websocket++/default.nix b/pkgs/development/libraries/websocket++/default.nix
index 84fbda503ea..6a7b091b536 100644
--- a/pkgs/development/libraries/websocket++/default.nix
+++ b/pkgs/development/libraries/websocket++/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ cmake ];
 
   meta = with stdenv.lib; {
-    homepage = https://www.zaphoyd.com/websocketpp/;
+    homepage = "https://www.zaphoyd.com/websocketpp/";
     description = "C++/Boost Asio based websocket client/server library";
     license = licenses.bsd3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/wildmidi/default.nix b/pkgs/development/libraries/wildmidi/default.nix
index 3b0a447f737..ea63a73fc92 100644
--- a/pkgs/development/libraries/wildmidi/default.nix
+++ b/pkgs/development/libraries/wildmidi/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
       WildMIDI is a simple software midi player which has a core softsynth
       library that can be use with other applications.
     '';
-    homepage = http://wildmidi.sourceforge.net/;
+    homepage = "http://wildmidi.sourceforge.net/";
     # The library is LGPLv3, the wildmidi executable is GPLv3
     license = licenses.lgpl3;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/wiredtiger/default.nix b/pkgs/development/libraries/wiredtiger/default.nix
index 9025abcb3fe..9a7cee6623e 100644
--- a/pkgs/development/libraries/wiredtiger/default.nix
+++ b/pkgs/development/libraries/wiredtiger/default.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = http://wiredtiger.com/;
+    homepage = "http://wiredtiger.com/";
     description = "";
     license = licenses.gpl2;
     platforms = intersectLists platforms.unix platforms.x86_64;
diff --git a/pkgs/development/libraries/wtk/default.nix b/pkgs/development/libraries/wtk/default.nix
index 2791c97f5ae..d66a628dac7 100644
--- a/pkgs/development/libraries/wtk/default.nix
+++ b/pkgs/development/libraries/wtk/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   libraries = [ xorg.libXpm xorg.libXt xorg.libX11 xorg.libICE xorg.libSM stdenv.cc.cc ];
 
   meta = {
-    homepage = http://java.sun.com/products/sjwtoolkit/download.html;
+    homepage = "http://java.sun.com/products/sjwtoolkit/download.html";
     description = "Sun Java Wireless Toolkit 2.5.2_01 for CLDC";
     license = stdenv.lib.licenses.unfree;
   };
diff --git a/pkgs/development/libraries/wxSVG/default.nix b/pkgs/development/libraries/wxSVG/default.nix
index f5e34486350..602f3e670dd 100644
--- a/pkgs/development/libraries/wxSVG/default.nix
+++ b/pkgs/development/libraries/wxSVG/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     wxSVG is C++ library to create, manipulate and render
     Scalable Vector Graphics (SVG) files with the wxWidgets toolkit.
     '';
-    homepage = http://wxsvg.sourceforge.net/;
+    homepage = "http://wxsvg.sourceforge.net/";
     license = with licenses; gpl2;
     maintainers = with maintainers; [ AndersonTorres ];
     platforms = with platforms; linux;
diff --git a/pkgs/development/libraries/wxsqlite3/default.nix b/pkgs/development/libraries/wxsqlite3/default.nix
index a528166f68a..70b650eecb1 100644
--- a/pkgs/development/libraries/wxsqlite3/default.nix
+++ b/pkgs/development/libraries/wxsqlite3/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     ++ stdenv.lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Cocoa darwin.stubs.setfile darwin.stubs.rez darwin.stubs.derez ];
 
   meta = with stdenv.lib; {
-    homepage = https://utelle.github.io/wxsqlite3/ ;
+    homepage = "https://utelle.github.io/wxsqlite3/";
     description = "A C++ wrapper around the public domain SQLite 3.x for wxWidgets";
     platforms = platforms.unix;
     maintainers = with maintainers; [ vrthra ];
diff --git a/pkgs/development/libraries/wxsqliteplus/default.nix b/pkgs/development/libraries/wxsqliteplus/default.nix
index 9ca15d4977b..6a2e33f9a9f 100644
--- a/pkgs/development/libraries/wxsqliteplus/default.nix
+++ b/pkgs/development/libraries/wxsqliteplus/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://guanlisheng.com/;
+    homepage = "http://guanlisheng.com/";
     description = "A simple SQLite database browser built with wxWidgets";
     platforms = platforms.unix;
     maintainers = with maintainers; [ vrthra ];
diff --git a/pkgs/development/libraries/wxwidgets/2.8/default.nix b/pkgs/development/libraries/wxwidgets/2.8/default.nix
index 73dac47307a..98cf0d58479 100644
--- a/pkgs/development/libraries/wxwidgets/2.8/default.nix
+++ b/pkgs/development/libraries/wxwidgets/2.8/default.nix
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
   meta = {
     platforms = platforms.linux;
     license = licenses.wxWindows;
-    homepage = https://www.wxwidgets.org/;
+    homepage = "https://www.wxwidgets.org/";
     description = "a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base";
     longDescription = "wxWidgets gives you a single, easy-to-use API for writing GUI applications on multiple platforms that still utilize the native platform's controls and utilities. Link with the appropriate library for your platform and compiler, and your application will adopt the look and feel appropriate to that platform. On top of great GUI functionality, wxWidgets gives you: online help, network programming, streams, clipboard and drag and drop, multithreading, image loading and saving in a variety of popular formats, database support, HTML viewing and printing, and much more.";
   };
diff --git a/pkgs/development/libraries/wxwidgets/2.9/default.nix b/pkgs/development/libraries/wxwidgets/2.9/default.nix
index 02367e18a95..3812c81a519 100644
--- a/pkgs/development/libraries/wxwidgets/2.9/default.nix
+++ b/pkgs/development/libraries/wxwidgets/2.9/default.nix
@@ -80,7 +80,7 @@ stdenv.mkDerivation {
   meta = {
     platforms = with platforms; darwin ++ linux;
     license = licenses.wxWindows;
-    homepage = https://www.wxwidgets.org/;
+    homepage = "https://www.wxwidgets.org/";
     description = "a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base";
     longDescription = "wxWidgets gives you a single, easy-to-use API for writing GUI applications on multiple platforms that still utilize the native platform's controls and utilities. Link with the appropriate library for your platform and compiler, and your application will adopt the look and feel appropriate to that platform. On top of great GUI functionality, wxWidgets gives you: online help, network programming, streams, clipboard and drag and drop, multithreading, image loading and saving in a variety of popular formats, database support, HTML viewing and printing, and much more.";
     badPlatforms = [ "x86_64-darwin" ];
diff --git a/pkgs/development/libraries/wxwidgets/3.0/default.nix b/pkgs/development/libraries/wxwidgets/3.0/default.nix
index 3bbfb139279..8de7f99fe5f 100644
--- a/pkgs/development/libraries/wxwidgets/3.0/default.nix
+++ b/pkgs/development/libraries/wxwidgets/3.0/default.nix
@@ -88,7 +88,7 @@ stdenv.mkDerivation rec {
   meta = {
     platforms = with platforms; darwin ++ linux;
     license = licenses.wxWindows;
-    homepage = https://www.wxwidgets.org/;
+    homepage = "https://www.wxwidgets.org/";
     description = "a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base";
     longDescription = "wxWidgets gives you a single, easy-to-use API for writing GUI applications on multiple platforms that still utilize the native platform's controls and utilities. Link with the appropriate library for your platform and compiler, and your application will adopt the look and feel appropriate to that platform. On top of great GUI functionality, wxWidgets gives you: online help, network programming, streams, clipboard and drag and drop, multithreading, image loading and saving in a variety of popular formats, database support, HTML viewing and printing, and much more.";
     badPlatforms = [ "x86_64-darwin" ];
diff --git a/pkgs/development/libraries/wxwidgets/3.0/mac.nix b/pkgs/development/libraries/wxwidgets/3.0/mac.nix
index 5236996199d..1b4c6702451 100644
--- a/pkgs/development/libraries/wxwidgets/3.0/mac.nix
+++ b/pkgs/development/libraries/wxwidgets/3.0/mac.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
     platforms = platforms.darwin;
     license = licenses.wxWindows;
     maintainers = [ maintainers.lnl7 ];
-    homepage = https://www.wxwidgets.org/;
+    homepage = "https://www.wxwidgets.org/";
     description = "a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base";
     longDescription = "wxWidgets gives you a single, easy-to-use API for writing GUI applications on multiple platforms that still utilize the native platform's controls and utilities. Link with the appropriate library for your platform and compiler, and your application will adopt the look and feel appropriate to that platform. On top of great GUI functionality, wxWidgets gives you: online help, network programming, streams, clipboard and drag and drop, multithreading, image loading and saving in a variety of popular formats, database support, HTML viewing and printing, and much more.";
   };
diff --git a/pkgs/development/libraries/wxwidgets/3.1/default.nix b/pkgs/development/libraries/wxwidgets/3.1/default.nix
index 0984472e860..99f86974cdb 100644
--- a/pkgs/development/libraries/wxwidgets/3.1/default.nix
+++ b/pkgs/development/libraries/wxwidgets/3.1/default.nix
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
   meta = {
     platforms = with platforms; darwin ++ linux;
     license = licenses.wxWindows;
-    homepage = https://www.wxwidgets.org/;
+    homepage = "https://www.wxwidgets.org/";
     description = "a C++ library that lets developers create applications for Windows, macOS, Linux and other platforms with a single code base";
     longDescription = "wxWidgets gives you a single, easy-to-use API for writing GUI applications on multiple platforms that still utilize the native platform's controls and utilities. Link with the appropriate library for your platform and compiler, and your application will adopt the look and feel appropriate to that platform. On top of great GUI functionality, wxWidgets gives you: online help, network programming, streams, clipboard and drag and drop, multithreading, image loading and saving in a variety of popular formats, database support, HTML viewing and printing, and much more.";
     badPlatforms = [ "x86_64-darwin" ];
diff --git a/pkgs/development/libraries/x264/default.nix b/pkgs/development/libraries/x264/default.nix
index 5c4c64d0e1c..49797b5dd75 100644
--- a/pkgs/development/libraries/x264/default.nix
+++ b/pkgs/development/libraries/x264/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for encoding H264/AVC video streams";
-    homepage    = http://www.videolan.org/developers/x264.html;
+    homepage    = "http://www.videolan.org/developers/x264.html";
     license     = licenses.gpl2;
     platforms   = platforms.unix;
     maintainers = with maintainers; [ spwhitt tadeokondrak ];
diff --git a/pkgs/development/libraries/x265/default.nix b/pkgs/development/libraries/x265/default.nix
index dbf1a098f1f..cfa19e5419f 100644
--- a/pkgs/development/libraries/x265/default.nix
+++ b/pkgs/development/libraries/x265/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for encoding h.265/HEVC video streams";
-    homepage    = http://x265.org;
+    homepage    = "http://x265.org";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ codyopel ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/xalanc/default.nix b/pkgs/development/libraries/xalanc/default.nix
index 92a932a01a4..30ab7f4496d 100644
--- a/pkgs/development/libraries/xalanc/default.nix
+++ b/pkgs/development/libraries/xalanc/default.nix
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
   buildInputs = [ xercesc getopt ];
 
   meta = {
-    homepage = http://xalan.apache.org/;
+    homepage = "http://xalan.apache.org/";
     description = "A XSLT processor for transforming XML documents";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
diff --git a/pkgs/development/libraries/xapian/tools/omega/default.nix b/pkgs/development/libraries/xapian/tools/omega/default.nix
index 6c8eda6358b..a496e3886d8 100644
--- a/pkgs/development/libraries/xapian/tools/omega/default.nix
+++ b/pkgs/development/libraries/xapian/tools/omega/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Indexer and CGI search front-end built on Xapian library";
-    homepage = https://xapian.org/;
+    homepage = "https://xapian.org/";
     license = licenses.gpl2Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/libraries/xavs/default.nix b/pkgs/development/libraries/xavs/default.nix
index a5536f70a90..18b10376315 100644
--- a/pkgs/development/libraries/xavs/default.nix
+++ b/pkgs/development/libraries/xavs/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "AVS encoder and decoder";
-    homepage    = http://xavs.sourceforge.net/;
+    homepage    = "http://xavs.sourceforge.net/";
     license     = licenses.lgpl2;
     platforms   = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ codyopel ];
diff --git a/pkgs/development/libraries/xbase/default.nix b/pkgs/development/libraries/xbase/default.nix
index 3dd2cb5b874..ae7ceb18c0a 100644
--- a/pkgs/development/libraries/xbase/default.nix
+++ b/pkgs/development/libraries/xbase/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "xbase-3.1.2";
 
   src = fetchurl {
-    url = mirror://sourceforge/xdb/xbase64-3.1.2.tar.gz;
+    url = "mirror://sourceforge/xdb/xbase64-3.1.2.tar.gz";
     sha256 = "17287kz1nmmm64y7zp9nhhl7slzlba09h6cc83w4mvsqwd9w882r";
   };
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
   ];
 
   meta = with stdenv.lib; {
-    homepage = http://linux.techass.com/projects/xdb/;
+    homepage = "http://linux.techass.com/projects/xdb/";
     description = "C++ class library formerly known as XDB";
     platforms = platforms.linux;
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/xcb-util-cursor/HEAD.nix b/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
index 4764c1bdb93..5457487edcc 100644
--- a/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
+++ b/pkgs/development/libraries/xcb-util-cursor/HEAD.nix
@@ -6,14 +6,14 @@ stdenv.mkDerivation {
   version = "2017-04-05";
 
   src = fetchgit {
-    url    = http://anongit.freedesktop.org/git/xcb/util-cursor.git;
+    url    = "http://anongit.freedesktop.org/git/xcb/util-cursor.git";
     rev    = "f03cc278c6cce0cf721adf9c3764d3c5fba63392";
     sha256 = "127zfmihd8nqlj8jjaja06xb84xdgl263w0av1xnprx05mkbkcyc";
   };
 
   meta = with stdenv.lib; {
     description = "XCB cursor library (libxcursor port)";
-    homepage    = https://cgit.freedesktop.org/xcb/util-cursor;
+    homepage    = "https://cgit.freedesktop.org/xcb/util-cursor";
     license     = licenses.mit;
     maintainers = with maintainers; [ lovek323 ];
     platforms   = platforms.linux ++ platforms.darwin;
diff --git a/pkgs/development/libraries/xercesc/default.nix b/pkgs/development/libraries/xercesc/default.nix
index 704884c23f3..3873fe05e6b 100644
--- a/pkgs/development/libraries/xercesc/default.nix
+++ b/pkgs/development/libraries/xercesc/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    homepage = https://xerces.apache.org/xerces-c/;
+    homepage = "https://xerces.apache.org/xerces-c/";
     description = "Validating XML parser written in a portable subset of C++";
     license = stdenv.lib.licenses.asl20;
     platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
diff --git a/pkgs/development/libraries/xgboost/default.nix b/pkgs/development/libraries/xgboost/default.nix
index f4687bd46f8..d9d660062a2 100644
--- a/pkgs/development/libraries/xgboost/default.nix
+++ b/pkgs/development/libraries/xgboost/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library";
-    homepage = https://github.com/dmlc/xgboost;
+    homepage = "https://github.com/dmlc/xgboost";
     license = licenses.asl20;
     platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" ];
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/xine-lib/default.nix b/pkgs/development/libraries/xine-lib/default.nix
index adcb2e74b0b..aa9600085c0 100644
--- a/pkgs/development/libraries/xine-lib/default.nix
+++ b/pkgs/development/libraries/xine-lib/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    homepage = http://www.xine-project.org/;
+    homepage = "http://www.xine-project.org/";
     description = "A high-performance, portable and reusable multimedia playback engine";
     platforms = platforms.linux;
     license = with licenses; [ gpl2 lgpl2 ];
diff --git a/pkgs/development/libraries/xlslib/default.nix b/pkgs/development/libraries/xlslib/default.nix
index 3d1b4ea74db..ee3942c360b 100644
--- a/pkgs/development/libraries/xlslib/default.nix
+++ b/pkgs/development/libraries/xlslib/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "C++/C library to construct Excel .xls files in code";
-    homepage = https://sourceforge.net/projects/xlslib/;
+    homepage = "https://sourceforge.net/projects/xlslib/";
     license = licenses.bsd2;
     platforms = platforms.linux;
     maintainers = with maintainers; [ abbradar ];
diff --git a/pkgs/development/libraries/xml-security-c/default.nix b/pkgs/development/libraries/xml-security-c/default.nix
index 74846c8306d..3a784a2e38b 100644
--- a/pkgs/development/libraries/xml-security-c/default.nix
+++ b/pkgs/development/libraries/xml-security-c/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ xalanc xercesc openssl ];
 
   meta = {
-    homepage = http://santuario.apache.org/;
+    homepage = "http://santuario.apache.org/";
     description = "C++ Implementation of W3C security standards for XML";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/xmlrpc-c/default.nix b/pkgs/development/libraries/xmlrpc-c/default.nix
index 8a0017109bb..d9786d26a71 100644
--- a/pkgs/development/libraries/xmlrpc-c/default.nix
+++ b/pkgs/development/libraries/xmlrpc-c/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A lightweight RPC library based on XML and HTTP";
-    homepage = http://xmlrpc-c.sourceforge.net/;
+    homepage = "http://xmlrpc-c.sourceforge.net/";
     # <xmlrpc-c>/doc/COPYING also lists "Expat license",
     # "ABYSS Web Server License" and "Python 1.5.2 License"
     license = licenses.bsd3;
diff --git a/pkgs/development/libraries/xmlsec/default.nix b/pkgs/development/libraries/xmlsec/default.nix
index a8c751330b7..1a18dfce85d 100644
--- a/pkgs/development/libraries/xmlsec/default.nix
+++ b/pkgs/development/libraries/xmlsec/default.nix
@@ -39,8 +39,8 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.aleksey.com/xmlsec;
-    downloadPage = https://www.aleksey.com/xmlsec/download.html;
+    homepage = "http://www.aleksey.com/xmlsec";
+    downloadPage = "https://www.aleksey.com/xmlsec/download.html";
     description = "XML Security Library in C based on libxml2";
     license = stdenv.lib.licenses.mit;
     platforms = with stdenv.lib.platforms; linux ++ darwin;
diff --git a/pkgs/development/libraries/xsd/default.nix b/pkgs/development/libraries/xsd/default.nix
index bd87d306b96..7541ee42704 100644
--- a/pkgs/development/libraries/xsd/default.nix
+++ b/pkgs/development/libraries/xsd/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    homepage = http://www.codesynthesis.com/products/xsd;
+    homepage = "http://www.codesynthesis.com/products/xsd";
     description = "An open-source, cross-platform W3C XML Schema to C++ data binding compiler";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/xvidcore/default.nix b/pkgs/development/libraries/xvidcore/default.nix
index 5ec96157a79..ab68693ea5e 100644
--- a/pkgs/development/libraries/xvidcore/default.nix
+++ b/pkgs/development/libraries/xvidcore/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "MPEG-4 video codec for PC";
-    homepage    = https://www.xvid.com/;
+    homepage    = "https://www.xvid.com/";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ codyopel lovek323 ];
     platforms   = platforms.all;
diff --git a/pkgs/development/libraries/xylib/default.nix b/pkgs/development/libraries/xylib/default.nix
index 155e46c8f8c..70fee9b9eff 100644
--- a/pkgs/development/libraries/xylib/default.nix
+++ b/pkgs/development/libraries/xylib/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Portable library for reading files that contain x-y data from powder diffraction, spectroscopy and other experimental methods";
     license = licenses.lgpl21;
-    homepage = http://xylib.sourceforge.net/;
+    homepage = "http://xylib.sourceforge.net/";
     platforms = platforms.linux;
     maintainers = with maintainers; [ pSub ];
   };
diff --git a/pkgs/development/libraries/yajl/default.nix b/pkgs/development/libraries/yajl/default.nix
index 947b08e7bc5..62fe652724f 100644
--- a/pkgs/development/libraries/yajl/default.nix
+++ b/pkgs/development/libraries/yajl/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "yajl-2.1.0";
 
   src = fetchurl {
-    url = https://github.com/lloyd/yajl/tarball/2.1.0;
+    url = "https://github.com/lloyd/yajl/tarball/2.1.0";
     name = "${name}.tar.gz";
     sha256 = "0f6yrjc05aa26wfi7lqn2gslm19m6rm81b30ksllpkappvh162ji";
   };
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
       YAJL is a small event-driven (SAX-style) JSON parser written in ANSI
       C, and a small validating JSON generator.
     '';
-    homepage = http://lloyd.github.com/yajl/;
+    homepage = "http://lloyd.github.com/yajl/";
     license = stdenv.lib.licenses.isc;
     platforms = with stdenv.lib.platforms; linux ++ darwin;
     maintainers = with stdenv.lib.maintainers; [ maggesi ];
diff --git a/pkgs/development/libraries/yojimbo/default.nix b/pkgs/development/libraries/yojimbo/default.nix
index d3df30e03e1..9e6cc37e661 100644
--- a/pkgs/development/libraries/yojimbo/default.nix
+++ b/pkgs/development/libraries/yojimbo/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
       It's designed around the networking requirements of competitive multiplayer games like first person shooters.
       As such it provides a time critical networking layer on top of UDP, with a client/server architecture supporting up to 64 players per-dedicated server instance.
     '';
-    homepage = https://github.com/networkprotocol/yojimbo;
+    homepage = "https://github.com/networkprotocol/yojimbo";
     license = licenses.bsd3;
     platforms = platforms.x86_64;
     maintainers = with maintainers; [ paddygord ];
diff --git a/pkgs/development/libraries/yubico-pam/default.nix b/pkgs/development/libraries/yubico-pam/default.nix
index e6a3fa9fbe1..60d3defcb1f 100644
--- a/pkgs/development/libraries/yubico-pam/default.nix
+++ b/pkgs/development/libraries/yubico-pam/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Yubico PAM module";
-    homepage = https://developers.yubico.com/yubico-pam;
+    homepage = "https://developers.yubico.com/yubico-pam";
     license = licenses.bsd2;
     maintainers = with maintainers; [ dtzWill ];
   };
diff --git a/pkgs/development/libraries/zeroc-ice/3.6.nix b/pkgs/development/libraries/zeroc-ice/3.6.nix
index dd983a34f88..7f6c7323fff 100644
--- a/pkgs/development/libraries/zeroc-ice/3.6.nix
+++ b/pkgs/development/libraries/zeroc-ice/3.6.nix
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.zeroc.com/ice.html;
+    homepage = "http://www.zeroc.com/ice.html";
     description = "The internet communications engine";
     license = licenses.gpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/zeroc-ice/default.nix b/pkgs/development/libraries/zeroc-ice/default.nix
index 3a5b1690f2d..9c9c5a6b001 100644
--- a/pkgs/development/libraries/zeroc-ice/default.nix
+++ b/pkgs/development/libraries/zeroc-ice/default.nix
@@ -63,7 +63,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = http://www.zeroc.com/ice.html;
+    homepage = "http://www.zeroc.com/ice.html";
     description = "The internet communications engine";
     license = licenses.gpl2;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/zeromq/3.x.nix b/pkgs/development/libraries/zeromq/3.x.nix
index 2fcf8bd9179..29981f358a5 100644
--- a/pkgs/development/libraries/zeromq/3.x.nix
+++ b/pkgs/development/libraries/zeromq/3.x.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     branch = "3";
-    homepage = http://www.zeromq.org;
+    homepage = "http://www.zeromq.org";
     description = "The Intelligent Transport Layer";
     license = licenses.gpl3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/zeromq/4.x.nix b/pkgs/development/libraries/zeromq/4.x.nix
index 1a8f07a3ae0..8302ebbd1e8 100644
--- a/pkgs/development/libraries/zeromq/4.x.nix
+++ b/pkgs/development/libraries/zeromq/4.x.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     branch = "4";
-    homepage = http://www.zeromq.org;
+    homepage = "http://www.zeromq.org";
     description = "The Intelligent Transport Layer";
     license = licenses.gpl3;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/zimlib/default.nix b/pkgs/development/libraries/zimlib/default.nix
index 34a03e56a10..7f5168080fa 100644
--- a/pkgs/development/libraries/zimlib/default.nix
+++ b/pkgs/development/libraries/zimlib/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Library for reading and writing ZIM files";
-    homepage =  https://www.openzim.org/wiki/Zimlib;
+    homepage =  "https://www.openzim.org/wiki/Zimlib";
     license = licenses.gpl2;
     maintainers = with maintainers; [ robbinch ];
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index 71da686ce48..c4a4c497ced 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -114,7 +114,7 @@ stdenv.mkDerivation (rec {
   };
 
   meta = with stdenv.lib; {
-    homepage = https://zlib.net;
+    homepage = "https://zlib.net";
     description = "Lossless data-compression library";
     license = licenses.zlib;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/zlog/default.nix b/pkgs/development/libraries/zlog/default.nix
index 5c601575742..4788613a3dc 100644
--- a/pkgs/development/libraries/zlog/default.nix
+++ b/pkgs/development/libraries/zlog/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description= "Reliable, high-performance, thread safe, flexible, clear-model, pure C logging library";
-    homepage = http://hardysimpson.github.com/zlog;
+    homepage = "http://hardysimpson.github.com/zlog";
     license = licenses.lgpl21;
     platforms = platforms.linux; # cannot test on something else
     maintainers = [ maintainers.matthiasbeyer ];
diff --git a/pkgs/development/libraries/zookeeper_mt/default.nix b/pkgs/development/libraries/zookeeper_mt/default.nix
index 127ea4f7162..b957253eebe 100644
--- a/pkgs/development/libraries/zookeeper_mt/default.nix
+++ b/pkgs/development/libraries/zookeeper_mt/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ zookeeper bash ];
 
   meta = with stdenv.lib; {
-    homepage = http://zookeeper.apache.org;
+    homepage = "http://zookeeper.apache.org";
     description = "Apache Zookeeper";
     license = licenses.asl20;
     maintainers = [ maintainers.boothead ];
diff --git a/pkgs/development/libraries/zxcvbn-c/default.nix b/pkgs/development/libraries/zxcvbn-c/default.nix
index 78983f09543..7a524e72318 100644
--- a/pkgs/development/libraries/zxcvbn-c/default.nix
+++ b/pkgs/development/libraries/zxcvbn-c/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = https://github.com/tsyrogit/zxcvbn-c;
+    homepage = "https://github.com/tsyrogit/zxcvbn-c";
     description = "A C/C++ implementation of the zxcvbn password strength estimation";
     license = licenses.mit;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/zziplib/default.nix b/pkgs/development/libraries/zziplib/default.nix
index 74bfeb09c0d..8078a3c360c 100644
--- a/pkgs/development/libraries/zziplib/default.nix
+++ b/pkgs/development/libraries/zziplib/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
 
     license = with licenses; [ lgpl2Plus mpl11 ];
 
-    homepage = http://zziplib.sourceforge.net/;
+    homepage = "http://zziplib.sourceforge.net/";
 
     maintainers = [ ];
     platforms = python2.meta.platforms;
author	Michael Reilly <OmnipotentEntity@gmail.com>	2020-03-31 21:11:51 -0400
committer	Jörg Thalheim <joerg@thalheim.io>	2020-04-10 17:54:53 +0100
commit	84cf00f98031e93f389f1eb93c4a7374a33cc0a9 (patch)
tree	203c51a8740cb4893b8cfc4426d4cd49a97430e0 /pkgs/development/libraries
parent	bf5eb87033cc6a5de5cc48da544c17a4dedc790b (diff)
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