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-rw-r--r--pkgs/development/libraries/CoinMP/default.nix2
-rw-r--r--pkgs/development/libraries/SDL/default.nix2
-rw-r--r--pkgs/development/libraries/SDL2/default.nix2
-rw-r--r--pkgs/development/libraries/SDL2_image/default.nix2
-rw-r--r--pkgs/development/libraries/SDL2_mixer/default.nix2
-rw-r--r--pkgs/development/libraries/SDL2_net/default.nix2
-rw-r--r--pkgs/development/libraries/SDL_gfx/default.nix2
-rw-r--r--pkgs/development/libraries/SDL_image/default.nix2
-rw-r--r--pkgs/development/libraries/SDL_sound/default.nix2
-rw-r--r--pkgs/development/libraries/SDL_ttf/default.nix2
-rw-r--r--pkgs/development/libraries/adns/default.nix2
-rw-r--r--pkgs/development/libraries/aubio/default.nix2
-rw-r--r--pkgs/development/libraries/audio/lilv/default.nix2
-rw-r--r--pkgs/development/libraries/audio/sratom/default.nix2
-rw-r--r--pkgs/development/libraries/audio/suil/default.nix2
-rw-r--r--pkgs/development/libraries/audiofile/default.nix2
-rw-r--r--pkgs/development/libraries/babl/default.nix2
-rw-r--r--pkgs/development/libraries/c-ares/default.nix2
-rw-r--r--pkgs/development/libraries/cairo/default.nix2
-rw-r--r--pkgs/development/libraries/cairomm/default.nix2
-rw-r--r--pkgs/development/libraries/cppunit/default.nix2
-rw-r--r--pkgs/development/libraries/ctpl/default.nix2
-rw-r--r--pkgs/development/libraries/db/generic.nix2
-rw-r--r--pkgs/development/libraries/dbus/default.nix2
-rw-r--r--pkgs/development/libraries/eigen/2.0.nix2
-rw-r--r--pkgs/development/libraries/eigen/3.3.nix2
-rw-r--r--pkgs/development/libraries/eigen/default.nix2
-rw-r--r--pkgs/development/libraries/exempi/default.nix2
-rw-r--r--pkgs/development/libraries/gdal/default.nix2
-rw-r--r--pkgs/development/libraries/gdal/gdal-1_11.nix2
-rw-r--r--pkgs/development/libraries/gegl/3.0.nix2
-rw-r--r--pkgs/development/libraries/gegl/4.0.nix2
-rw-r--r--pkgs/development/libraries/geoclue/2.0.nix2
-rw-r--r--pkgs/development/libraries/geos/default.nix2
-rw-r--r--pkgs/development/libraries/gf2x/default.nix2
-rw-r--r--pkgs/development/libraries/gle/default.nix2
-rw-r--r--pkgs/development/libraries/gloox/default.nix2
-rw-r--r--pkgs/development/libraries/gtdialog/default.nix2
-rw-r--r--pkgs/development/libraries/harfbuzz/default.nix2
-rw-r--r--pkgs/development/libraries/ip2location-c/default.nix2
-rw-r--r--pkgs/development/libraries/isl/0.11.1.nix2
-rw-r--r--pkgs/development/libraries/java/dbus-java/default.nix2
-rw-r--r--pkgs/development/libraries/java/geoipjava/default.nix2
-rw-r--r--pkgs/development/libraries/java/libmatthew-java/default.nix2
-rw-r--r--pkgs/development/libraries/jbigkit/default.nix2
-rw-r--r--pkgs/development/libraries/libLAS/default.nix2
-rw-r--r--pkgs/development/libraries/libabw/default.nix2
-rw-r--r--pkgs/development/libraries/libantlr3c/default.nix2
-rw-r--r--pkgs/development/libraries/libaudclient/default.nix2
-rw-r--r--pkgs/development/libraries/libbsd/default.nix2
-rw-r--r--pkgs/development/libraries/libcdr/default.nix2
-rw-r--r--pkgs/development/libraries/libclthreads/default.nix2
-rw-r--r--pkgs/development/libraries/libclxclient/default.nix2
-rw-r--r--pkgs/development/libraries/libcutl/default.nix2
-rw-r--r--pkgs/development/libraries/libdap/default.nix2
-rw-r--r--pkgs/development/libraries/libdivecomputer/default.nix2
-rw-r--r--pkgs/development/libraries/libdrm/default.nix2
-rw-r--r--pkgs/development/libraries/libdwarf/default.nix2
-rw-r--r--pkgs/development/libraries/libeatmydata/default.nix2
-rw-r--r--pkgs/development/libraries/libebml/default.nix2
-rw-r--r--pkgs/development/libraries/libedit/default.nix2
-rw-r--r--pkgs/development/libraries/libexttextcat/default.nix2
-rw-r--r--pkgs/development/libraries/libfakekey/default.nix2
-rw-r--r--pkgs/development/libraries/libftdi/1.x.nix2
-rw-r--r--pkgs/development/libraries/libftdi/default.nix2
-rw-r--r--pkgs/development/libraries/libgdiplus/default.nix2
-rw-r--r--pkgs/development/libraries/libgeotiff/default.nix2
-rw-r--r--pkgs/development/libraries/libgig/default.nix2
-rw-r--r--pkgs/development/libraries/libinput/default.nix2
-rw-r--r--pkgs/development/libraries/libmatchbox/default.nix2
-rw-r--r--pkgs/development/libraries/libmatheval/default.nix2
-rw-r--r--pkgs/development/libraries/libmatroska/default.nix2
-rw-r--r--pkgs/development/libraries/libmnl/default.nix2
-rw-r--r--pkgs/development/libraries/libmpcdec/default.nix2
-rw-r--r--pkgs/development/libraries/libmrss/default.nix2
-rw-r--r--pkgs/development/libraries/libmspack/default.nix2
-rw-r--r--pkgs/development/libraries/libmysqlconnectorcpp/default.nix2
-rw-r--r--pkgs/development/libraries/libnetfilter_cthelper/default.nix2
-rw-r--r--pkgs/development/libraries/libnfnetlink/default.nix2
-rw-r--r--pkgs/development/libraries/libnice/default.nix2
-rw-r--r--pkgs/development/libraries/libnxml/default.nix2
-rw-r--r--pkgs/development/libraries/libpcap/default.nix2
-rw-r--r--pkgs/development/libraries/libplist/default.nix2
-rw-r--r--pkgs/development/libraries/libraw/default.nix2
-rw-r--r--pkgs/development/libraries/librep/default.nix2
-rw-r--r--pkgs/development/libraries/libspatialindex/default.nix2
-rw-r--r--pkgs/development/libraries/libspatialite/default.nix2
-rw-r--r--pkgs/development/libraries/libspectre/default.nix2
-rw-r--r--pkgs/development/libraries/libstatgrab/default.nix2
-rw-r--r--pkgs/development/libraries/libtiff/default.nix2
-rw-r--r--pkgs/development/libraries/libtsm/default.nix2
-rw-r--r--pkgs/development/libraries/libtxc_dxtn/default.nix2
-rw-r--r--pkgs/development/libraries/libusbmuxd/default.nix2
-rw-r--r--pkgs/development/libraries/libva/1.0.0.nix2
-rw-r--r--pkgs/development/libraries/libvirt-glib/default.nix2
-rw-r--r--pkgs/development/libraries/libx86/default.nix2
-rw-r--r--pkgs/development/libraries/libxcomp/default.nix2
-rw-r--r--pkgs/development/libraries/libyaml/default.nix2
-rw-r--r--pkgs/development/libraries/libzdb/default.nix2
-rw-r--r--pkgs/development/libraries/loudmouth/default.nix2
-rw-r--r--pkgs/development/libraries/mdds/0.12.1.nix2
-rw-r--r--pkgs/development/libraries/mdds/default.nix2
-rw-r--r--pkgs/development/libraries/mpich2/default.nix2
-rw-r--r--pkgs/development/libraries/opendbx/default.nix2
-rw-r--r--pkgs/development/libraries/openldap/default.nix2
-rw-r--r--pkgs/development/libraries/openssl/default.nix2
-rw-r--r--pkgs/development/libraries/physics/cernlib/default.nix2
-rw-r--r--pkgs/development/libraries/physics/fastnlo/default.nix2
-rw-r--r--pkgs/development/libraries/physics/herwig/default.nix2
-rw-r--r--pkgs/development/libraries/physics/lhapdf/default.nix2
-rw-r--r--pkgs/development/libraries/physics/mcgrid/default.nix2
-rw-r--r--pkgs/development/libraries/physics/nlojet/default.nix2
-rw-r--r--pkgs/development/libraries/physics/rivet/default.nix2
-rw-r--r--pkgs/development/libraries/physics/thepeg/default.nix2
-rw-r--r--pkgs/development/libraries/physics/yoda/default.nix2
-rw-r--r--pkgs/development/libraries/polkit/default.nix2
-rw-r--r--pkgs/development/libraries/postgis/default.nix2
-rw-r--r--pkgs/development/libraries/proj/default.nix2
-rw-r--r--pkgs/development/libraries/rabbitmq-java-client/default.nix2
-rw-r--r--pkgs/development/libraries/readosm/default.nix2
-rw-r--r--pkgs/development/libraries/rep-gtk/default.nix2
-rw-r--r--pkgs/development/libraries/schroedinger/default.nix2
-rw-r--r--pkgs/development/libraries/science/math/ipopt/default.nix2
-rw-r--r--pkgs/development/libraries/science/math/magma/default.nix2
-rw-r--r--pkgs/development/libraries/serd/default.nix2
-rw-r--r--pkgs/development/libraries/shapelib/default.nix2
-rw-r--r--pkgs/development/libraries/slang/default.nix2
-rw-r--r--pkgs/development/libraries/slib/default.nix2
-rw-r--r--pkgs/development/libraries/snack/default.nix2
-rw-r--r--pkgs/development/libraries/sord/default.nix2
-rw-r--r--pkgs/development/libraries/soundtouch/default.nix2
-rw-r--r--pkgs/development/libraries/spandsp/default.nix2
-rw-r--r--pkgs/development/libraries/spatialite-tools/default.nix2
-rw-r--r--pkgs/development/libraries/spice-gtk/default.nix2
-rw-r--r--pkgs/development/libraries/spice-protocol/default.nix2
-rw-r--r--pkgs/development/libraries/spice/default.nix2
-rw-r--r--pkgs/development/libraries/startup-notification/default.nix2
-rw-r--r--pkgs/development/libraries/strigi/default.nix2
-rw-r--r--pkgs/development/libraries/swiften/default.nix2
-rw-r--r--pkgs/development/libraries/sword/default.nix2
-rw-r--r--pkgs/development/libraries/telepathy/farstream/default.nix2
-rw-r--r--pkgs/development/libraries/telepathy/qt/default.nix2
-rw-r--r--pkgs/development/libraries/thrift/default.nix2
-rw-r--r--pkgs/development/libraries/tre/default.nix2
-rw-r--r--pkgs/development/libraries/ucl/default.nix2
-rw-r--r--pkgs/development/libraries/unicap/default.nix2
-rw-r--r--pkgs/development/libraries/usbredir/default.nix2
-rw-r--r--pkgs/development/libraries/vaapi-vdpau/default.nix2
-rw-r--r--pkgs/development/libraries/vsqlite/default.nix2
-rw-r--r--pkgs/development/libraries/wayland/1.9.nix2
-rw-r--r--pkgs/development/libraries/wayland/protocols.nix2
-rw-r--r--pkgs/development/libraries/webkitgtk/2.20.nix2
-rw-r--r--pkgs/development/libraries/webkitgtk/2.4.nix2
-rw-r--r--pkgs/development/libraries/webrtc-audio-processing/default.nix2
-rw-r--r--pkgs/development/libraries/x264/default.nix2
-rw-r--r--pkgs/development/libraries/xapian/default.nix2
-rw-r--r--pkgs/development/libraries/xapian/tools/omega/default.nix2
-rw-r--r--pkgs/development/libraries/xml-security-c/default.nix2
-rw-r--r--pkgs/development/libraries/xmlsec/default.nix2
-rw-r--r--pkgs/development/libraries/xsd/default.nix2
-rw-r--r--pkgs/development/libraries/zlib/default.nix2
161 files changed, 161 insertions, 161 deletions
diff --git a/pkgs/development/libraries/CoinMP/default.nix b/pkgs/development/libraries/CoinMP/default.nix
index ea72bfb434b..7fecae0a66e 100644
--- a/pkgs/development/libraries/CoinMP/default.nix
+++ b/pkgs/development/libraries/CoinMP/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.8.3";
 
   src = fetchurl {
-    url = "http://www.coin-or.org/download/source/CoinMP/${name}.tgz";
+    url = "https://www.coin-or.org/download/source/CoinMP/${name}.tgz";
     sha256 = "1xr2iwbbhm6l9hwiry5c10pz46xfih8bvzrzwp0nkzf76vdnb9m1";
   };
 
diff --git a/pkgs/development/libraries/SDL/default.nix b/pkgs/development/libraries/SDL/default.nix
index d40b25cd804..c7e4a9c29ac 100644
--- a/pkgs/development/libraries/SDL/default.nix
+++ b/pkgs/development/libraries/SDL/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   version = "1.2.15";
 
   src = fetchurl {
-    url    = "http://www.libsdl.org/release/${name}.tar.gz";
+    url    = "https://www.libsdl.org/release/${name}.tar.gz";
     sha256 = "005d993xcac8236fpvd1iawkz4wqjybkpn8dbwaliqz5jfkidlyn";
   };
 
diff --git a/pkgs/development/libraries/SDL2/default.nix b/pkgs/development/libraries/SDL2/default.nix
index c32f59636a9..5e01a83b7c0 100644
--- a/pkgs/development/libraries/SDL2/default.nix
+++ b/pkgs/development/libraries/SDL2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   version = "2.0.8";
 
   src = fetchurl {
-    url = "http://www.libsdl.org/release/${name}.tar.gz";
+    url = "https://www.libsdl.org/release/${name}.tar.gz";
     sha256 = "1v4js1gkr75hzbxzhwzzif0sf9g07234sd23x1vdaqc661bprizd";
   };
 
diff --git a/pkgs/development/libraries/SDL2_image/default.nix b/pkgs/development/libraries/SDL2_image/default.nix
index ea5f37513af..17a2dd14b27 100644
--- a/pkgs/development/libraries/SDL2_image/default.nix
+++ b/pkgs/development/libraries/SDL2_image/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.0.3";
 
   src = fetchurl {
-    url = "http://www.libsdl.org/projects/SDL_image/release/${name}.tar.gz";
+    url = "https://www.libsdl.org/projects/SDL_image/release/${name}.tar.gz";
     sha256 = "0s13dmakn21q6yw8avl67d4zkxzl1wap6l5nwf6cvzrmlxfw441m";
   };
 
diff --git a/pkgs/development/libraries/SDL2_mixer/default.nix b/pkgs/development/libraries/SDL2_mixer/default.nix
index f31fe33ea09..3819aeb3c31 100644
--- a/pkgs/development/libraries/SDL2_mixer/default.nix
+++ b/pkgs/development/libraries/SDL2_mixer/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   version = "2.0.2";
 
   src = fetchurl {
-    url = "http://www.libsdl.org/projects/SDL_mixer/release/${name}.tar.gz";
+    url = "https://www.libsdl.org/projects/SDL_mixer/release/${name}.tar.gz";
     sha256 = "1fw3kkqi5346ai5if4pxrcbhs5c4vv3a4smgz6fl6kyaxwkmwqaf";
   };
 
diff --git a/pkgs/development/libraries/SDL2_net/default.nix b/pkgs/development/libraries/SDL2_net/default.nix
index 5cadfb9d905..1cb74ac1b2d 100644
--- a/pkgs/development/libraries/SDL2_net/default.nix
+++ b/pkgs/development/libraries/SDL2_net/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.0.1";
 
   src = fetchurl {
-    url = "http://www.libsdl.org/projects/SDL_net/release/${name}.tar.gz";
+    url = "https://www.libsdl.org/projects/SDL_net/release/${name}.tar.gz";
     sha256 = "08cxc1bicmyk89kiks7izw1rlx5ng5n6xpy8fy0zxni3b9z8mkhm";
   };
 
diff --git a/pkgs/development/libraries/SDL_gfx/default.nix b/pkgs/development/libraries/SDL_gfx/default.nix
index 83a2ffc077c..68c8c16ed4e 100644
--- a/pkgs/development/libraries/SDL_gfx/default.nix
+++ b/pkgs/development/libraries/SDL_gfx/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.0.26";
 
   src = fetchurl {
-    url = "http://www.ferzkopp.net/Software/SDL_gfx-2.0/${name}.tar.gz";
+    url = "https://www.ferzkopp.net/Software/SDL_gfx-2.0/${name}.tar.gz";
     sha256 = "0ijljhs0v99dj6y27hc10z6qchyp8gdp4199y6jzngy6dzxlzsvw";
   };
 
diff --git a/pkgs/development/libraries/SDL_image/default.nix b/pkgs/development/libraries/SDL_image/default.nix
index c8cab33ed57..56701e80b1f 100644
--- a/pkgs/development/libraries/SDL_image/default.nix
+++ b/pkgs/development/libraries/SDL_image/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.2.12";
 
   src = fetchurl {
-    url    = "http://www.libsdl.org/projects/SDL_image/release/${name}.tar.gz";
+    url    = "https://www.libsdl.org/projects/SDL_image/release/${name}.tar.gz";
     sha256 = "16an9slbb8ci7d89wakkmyfvp7c0cval8xw4hkg0842nhhlp540b";
   };
 
diff --git a/pkgs/development/libraries/SDL_sound/default.nix b/pkgs/development/libraries/SDL_sound/default.nix
index e471c3cc556..2a009a3b710 100644
--- a/pkgs/development/libraries/SDL_sound/default.nix
+++ b/pkgs/development/libraries/SDL_sound/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.0.3";
 
   src = fetchurl {
-    url = "http://icculus.org/SDL_sound/downloads/${name}.tar.gz";
+    url = "https://icculus.org/SDL_sound/downloads/${name}.tar.gz";
     sha256 = "1pz6g56gcy7pmmz3hhych3iq9jvinml2yjz15fjqjlj8pc5zv69r";
   };
 
diff --git a/pkgs/development/libraries/SDL_ttf/default.nix b/pkgs/development/libraries/SDL_ttf/default.nix
index f98e4a3b0ad..cf6b53021f7 100644
--- a/pkgs/development/libraries/SDL_ttf/default.nix
+++ b/pkgs/development/libraries/SDL_ttf/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.0.11";
 
   src = fetchurl {
-    url = "http://www.libsdl.org/projects/SDL_ttf/release/${name}.tar.gz";
+    url = "https://www.libsdl.org/projects/SDL_ttf/release/${name}.tar.gz";
     sha256 = "1dydxd4f5kb1288i5n5568kdk2q7f8mqjr7i7sd33nplxjaxhk3j";
   };
 
diff --git a/pkgs/development/libraries/adns/default.nix b/pkgs/development/libraries/adns/default.nix
index 3db15892a14..0f0e30ef0f3 100644
--- a/pkgs/development/libraries/adns/default.nix
+++ b/pkgs/development/libraries/adns/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     urls = [
-      "http://www.chiark.greenend.org.uk/~ian/adns/ftp/adns-${version}.tar.gz"
+      "https://www.chiark.greenend.org.uk/~ian/adns/ftp/adns-${version}.tar.gz"
       "ftp://ftp.chiark.greenend.org.uk/users/ian/adns/adns-${version}.tar.gz"
       "mirror://gnu/adns/adns-${version}.tar.gz"
     ];
diff --git a/pkgs/development/libraries/aubio/default.nix b/pkgs/development/libraries/aubio/default.nix
index 51ae14be404..adcb86cedf8 100644
--- a/pkgs/development/libraries/aubio/default.nix
+++ b/pkgs/development/libraries/aubio/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "aubio-0.4.6";
 
   src = fetchurl {
-    url = "http://aubio.org/pub/${name}.tar.bz2";
+    url = "https://aubio.org/pub/${name}.tar.bz2";
     sha256 = "1yvwskahx1bf3x2fvi6cwah1ay11iarh79fjlqz8s887y3hkpixx";
   };
 
diff --git a/pkgs/development/libraries/audio/lilv/default.nix b/pkgs/development/libraries/audio/lilv/default.nix
index 427625d6fc6..710c5b1a92c 100644
--- a/pkgs/development/libraries/audio/lilv/default.nix
+++ b/pkgs/development/libraries/audio/lilv/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.24.2";
 
   src = fetchurl {
-    url = "http://download.drobilla.net/${name}.tar.bz2";
+    url = "https://download.drobilla.net/${name}.tar.bz2";
     sha256 = "08m5a372pr1l7aii9s3pic5nm68gynx1n1bc7bnlswziq6qnbv7p";
   };
 
diff --git a/pkgs/development/libraries/audio/sratom/default.nix b/pkgs/development/libraries/audio/sratom/default.nix
index d30cb1d369e..4709d034853 100644
--- a/pkgs/development/libraries/audio/sratom/default.nix
+++ b/pkgs/development/libraries/audio/sratom/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.6.0";
 
   src = fetchurl {
-    url = "http://download.drobilla.net/${name}.tar.bz2";
+    url = "https://download.drobilla.net/${name}.tar.bz2";
     sha256 = "0hrxd9i66s06bpn6i3s9ka95134g3sm8yscmif7qgdzhyjqw42j4";
   };
 
diff --git a/pkgs/development/libraries/audio/suil/default.nix b/pkgs/development/libraries/audio/suil/default.nix
index 63f43ac7a2c..e29c7b5cb12 100644
--- a/pkgs/development/libraries/audio/suil/default.nix
+++ b/pkgs/development/libraries/audio/suil/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   name = "${pname}-qt${if withQt4 then "4" else "5"}-${version}";
 
   src = fetchurl {
-    url = "http://download.drobilla.net/${pname}-${version}.tar.bz2";
+    url = "https://download.drobilla.net/${pname}-${version}.tar.bz2";
     sha256 = "0j489gm3fhnmwmbgw30bvd4byw1vsy4yazdlnji8jzhcz0qwb5cq";
   };
 
diff --git a/pkgs/development/libraries/audiofile/default.nix b/pkgs/development/libraries/audiofile/default.nix
index 182471acf4a..1ed457aa5fe 100644
--- a/pkgs/development/libraries/audiofile/default.nix
+++ b/pkgs/development/libraries/audiofile/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     ];
 
   src = fetchurl {
-    url = "http://audiofile.68k.org/${name}.tar.gz";
+    url = "https://audiofile.68k.org/${name}.tar.gz";
     sha256 = "0rb927zknk9kmhprd8rdr4azql4gn2dp75a36iazx2xhkbqhvind";
   };
 
diff --git a/pkgs/development/libraries/babl/default.nix b/pkgs/development/libraries/babl/default.nix
index f3e7fc7f162..a82f4e7dfda 100644
--- a/pkgs/development/libraries/babl/default.nix
+++ b/pkgs/development/libraries/babl/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "babl-0.1.50";
 
   src = fetchurl {
-    url = "http://ftp.gtk.org/pub/babl/0.1/${name}.tar.bz2";
+    url = "https://ftp.gtk.org/pub/babl/0.1/${name}.tar.bz2";
     sha256 = "0bavr2y4v88pip7vlca4kwmnksk2qxcvkkdp9jyfi6pzh701sb5m";
   };
 
diff --git a/pkgs/development/libraries/c-ares/default.nix b/pkgs/development/libraries/c-ares/default.nix
index a384a770783..6f9b94fc872 100644
--- a/pkgs/development/libraries/c-ares/default.nix
+++ b/pkgs/development/libraries/c-ares/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "c-ares-1.14.0";
 
   src = fetchurl {
-    url = "http://c-ares.haxx.se/download/${name}.tar.gz";
+    url = "https://c-ares.haxx.se/download/${name}.tar.gz";
     sha256 = "0vnwmbvymw677k780kpb6sb8i3szdp89rzy8mz1fwg1657yw3ls5";
   };
 
diff --git a/pkgs/development/libraries/cairo/default.nix b/pkgs/development/libraries/cairo/default.nix
index 44cdfc4e0ee..4486149cfce 100644
--- a/pkgs/development/libraries/cairo/default.nix
+++ b/pkgs/development/libraries/cairo/default.nix
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   name = "cairo-${version}";
 
   src = fetchurl {
-    url = "http://cairographics.org/${if stdenv.lib.mod (builtins.fromJSON (stdenv.lib.versions.minor version)) 2 == 0 then "releases" else "snapshots"}/${name}.tar.xz";
+    url = "https://cairographics.org/${if stdenv.lib.mod (builtins.fromJSON (stdenv.lib.versions.minor version)) 2 == 0 then "releases" else "snapshots"}/${name}.tar.xz";
     sha256 = "1jcl0mnqq6j2xip8p506g2cj54sfycm339rrd3p4g2jljhdhh8vn";
   };
 
diff --git a/pkgs/development/libraries/cairomm/default.nix b/pkgs/development/libraries/cairomm/default.nix
index 09d162db853..47250f2b3da 100644
--- a/pkgs/development/libraries/cairomm/default.nix
+++ b/pkgs/development/libraries/cairomm/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   name = "cairomm-${ver_maj}.${ver_min}";
 
   src = fetchurl {
-    url = "http://www.cairographics.org/releases/${name}.tar.gz";
+    url = "https://www.cairographics.org/releases/${name}.tar.gz";
     # gnome doesn't have the latest version ATM; beware: same name but different hash
     # url = "mirror://gnome/sources/cairomm/${ver_maj}/${name}.tar.xz";
     sha256 = "16fmigxsaz85c3lgcls7biwyz8zy8c8h3jndfm54cxxas3a7zi25";
diff --git a/pkgs/development/libraries/cppunit/default.nix b/pkgs/development/libraries/cppunit/default.nix
index 7b48ffcaccf..0690bd425ae 100644
--- a/pkgs/development/libraries/cppunit/default.nix
+++ b/pkgs/development/libraries/cppunit/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.14.0";
 
   src = fetchurl {
-    url = "http://dev-www.libreoffice.org/src/${name}.tar.gz";
+    url = "https://dev-www.libreoffice.org/src/${name}.tar.gz";
     sha256 = "1027cyfx5gsjkdkaf6c2wnjh68882grw8n672018cj3vs9lrhmix";
   };
 
diff --git a/pkgs/development/libraries/ctpl/default.nix b/pkgs/development/libraries/ctpl/default.nix
index fd8fa1a994d..d50aca1679b 100644
--- a/pkgs/development/libraries/ctpl/default.nix
+++ b/pkgs/development/libraries/ctpl/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.3.4";
 
   src = fetchurl {
-    url = "http://download.tuxfamily.org/ctpl/releases/ctpl-${version}.tar.gz";
+    url = "https://download.tuxfamily.org/ctpl/releases/ctpl-${version}.tar.gz";
     sha256 = "1yr92xv9n6kgyixwg9ps4zb404ic5pgb171k4bi3mv9p6k8gv59s";
   };
 
diff --git a/pkgs/development/libraries/db/generic.nix b/pkgs/development/libraries/db/generic.nix
index 06dde2ad407..fb129218175 100644
--- a/pkgs/development/libraries/db/generic.nix
+++ b/pkgs/development/libraries/db/generic.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation (rec {
   name = "db-${version}";
 
   src = fetchurl {
-    url = "http://download.oracle.com/berkeley-db/${name}.tar.gz";
+    url = "https://download.oracle.com/berkeley-db/${name}.tar.gz";
     sha256 = sha256;
   };
 
diff --git a/pkgs/development/libraries/dbus/default.nix b/pkgs/development/libraries/dbus/default.nix
index 4f6bd829099..ade6c98df94 100644
--- a/pkgs/development/libraries/dbus/default.nix
+++ b/pkgs/development/libraries/dbus/default.nix
@@ -14,7 +14,7 @@ self = stdenv.mkDerivation {
     inherit version;
 
     src = fetchurl {
-      url = "http://dbus.freedesktop.org/releases/dbus/dbus-${version}.tar.gz";
+      url = "https://dbus.freedesktop.org/releases/dbus/dbus-${version}.tar.gz";
       inherit sha256;
     };
 
diff --git a/pkgs/development/libraries/eigen/2.0.nix b/pkgs/development/libraries/eigen/2.0.nix
index 8841855a24e..015aeaed55b 100644
--- a/pkgs/development/libraries/eigen/2.0.nix
+++ b/pkgs/development/libraries/eigen/2.0.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   name = "eigen-${v}";
 
   src = fetchurl {
-    url = "http://bitbucket.org/eigen/eigen/get/${v}.tar.bz2";
+    url = "https://bitbucket.org/eigen/eigen/get/${v}.tar.bz2";
     name = "eigen-${v}.tar.bz2";
     sha256 = "0q4ry2pmdb9lvm0g92wi6s6qng3m9q73n5flwbkfcz1nxmbfhmbj";
   };
diff --git a/pkgs/development/libraries/eigen/3.3.nix b/pkgs/development/libraries/eigen/3.3.nix
index 7de05926da5..e6d13a5915a 100644
--- a/pkgs/development/libraries/eigen/3.3.nix
+++ b/pkgs/development/libraries/eigen/3.3.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   name = "eigen-${version}";
   
   src = fetchurl {
-    url = "http://bitbucket.org/eigen/eigen/get/${version}.tar.gz";
+    url = "https://bitbucket.org/eigen/eigen/get/${version}.tar.gz";
     name = "eigen-${version}.tar.gz";
     sha256 = "1q85bgd6hnsgn0kq73wa4jwh4qdwklfg73pgqrz4zmxvzbqyi1j2";
   };
diff --git a/pkgs/development/libraries/eigen/default.nix b/pkgs/development/libraries/eigen/default.nix
index 4e1559e5c73..c120132dcb8 100644
--- a/pkgs/development/libraries/eigen/default.nix
+++ b/pkgs/development/libraries/eigen/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   name = "eigen-${version}";
 
   src = fetchurl {
-    url = "http://bitbucket.org/eigen/eigen/get/${version}.tar.gz";
+    url = "https://bitbucket.org/eigen/eigen/get/${version}.tar.gz";
     name = "eigen-${version}.tar.gz";
     sha256 = "00l52y7m276gh8wjkqqcxz6x687azrm7a70s3iraxnpy9bxa9y04";
   };
diff --git a/pkgs/development/libraries/exempi/default.nix b/pkgs/development/libraries/exempi/default.nix
index 1f58fd698da..ac2c21d4cf0 100644
--- a/pkgs/development/libraries/exempi/default.nix
+++ b/pkgs/development/libraries/exempi/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "exempi-2.4.5";
 
   src = fetchurl {
-    url = "http://libopenraw.freedesktop.org/download/${name}.tar.bz2";
+    url = "https://libopenraw.freedesktop.org/download/${name}.tar.bz2";
     sha256 = "07i29xmg8bqriviaf4vi1mwha4lrw85kfla29cfym14fp3z8aqa0";
   };
 
diff --git a/pkgs/development/libraries/gdal/default.nix b/pkgs/development/libraries/gdal/default.nix
index e15f2583f4d..813ea050465 100644
--- a/pkgs/development/libraries/gdal/default.nix
+++ b/pkgs/development/libraries/gdal/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   name = "gdal-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/gdal/${version}/${name}.tar.xz";
+    url = "https://download.osgeo.org/gdal/${version}/${name}.tar.xz";
     sha256 = "18iaamzkn0lipizynvspf3bs5qzgcy36hn6bbi941q8dlfdf8xbg";
   };
 
diff --git a/pkgs/development/libraries/gdal/gdal-1_11.nix b/pkgs/development/libraries/gdal/gdal-1_11.nix
index 7a80ce7fdb6..7d0b70ec627 100644
--- a/pkgs/development/libraries/gdal/gdal-1_11.nix
+++ b/pkgs/development/libraries/gdal/gdal-1_11.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   name = "gdal-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/gdal/${version}/${name}.tar.gz";
+    url = "https://download.osgeo.org/gdal/${version}/${name}.tar.gz";
     sha256 = "561588bdfd9ca91919d4679a77a2b44214b158934ee8b425295ca5be33a1014d";
   };
 
diff --git a/pkgs/development/libraries/gegl/3.0.nix b/pkgs/development/libraries/gegl/3.0.nix
index 161153b7e3d..287c3324386 100644
--- a/pkgs/development/libraries/gegl/3.0.nix
+++ b/pkgs/development/libraries/gegl/3.0.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "gegl-0.3.34";
 
   src = fetchurl {
-    url = "http://download.gimp.org/pub/gegl/0.3/${name}.tar.bz2";
+    url = "https://download.gimp.org/pub/gegl/0.3/${name}.tar.bz2";
     sha256 = "010k86wn8cmr07rqwa4lccrmiiqrwbnkxvic4lpapwgbamv258jw";
   };
 
diff --git a/pkgs/development/libraries/gegl/4.0.nix b/pkgs/development/libraries/gegl/4.0.nix
index e9230b218be..623ee5b3375 100644
--- a/pkgs/development/libraries/gegl/4.0.nix
+++ b/pkgs/development/libraries/gegl/4.0.nix
@@ -8,7 +8,7 @@ in stdenv.mkDerivation rec {
   name = "gegl-${version}";
 
   src = fetchurl {
-    url = "http://download.gimp.org/pub/gegl/${stdenv.lib.versions.majorMinor version}/${name}.tar.bz2";
+    url = "https://download.gimp.org/pub/gegl/${stdenv.lib.versions.majorMinor version}/${name}.tar.bz2";
     sha256 = "13bzl0k5l12pk8bkcq4ar7wscbnw7jswhp34mwfsrf10kp0qndba";
   };
 
diff --git a/pkgs/development/libraries/geoclue/2.0.nix b/pkgs/development/libraries/geoclue/2.0.nix
index 4d348c92171..eb7a6d6aaf2 100644
--- a/pkgs/development/libraries/geoclue/2.0.nix
+++ b/pkgs/development/libraries/geoclue/2.0.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   name = "geoclue-2.4.8";
 
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/geoclue/releases/2.4/${name}.tar.xz";
+    url = "https://www.freedesktop.org/software/geoclue/releases/2.4/${name}.tar.xz";
     sha256 = "08yg1r7m0n9hwyvcy769qkmkf8lslqwv69cjfffwnc3zm5km25qj";
   };
 
diff --git a/pkgs/development/libraries/geos/default.nix b/pkgs/development/libraries/geos/default.nix
index 24e3b4842fa..b92f6e61f56 100644
--- a/pkgs/development/libraries/geos/default.nix
+++ b/pkgs/development/libraries/geos/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "geos-3.6.2";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/geos/${name}.tar.bz2";
+    url = "https://download.osgeo.org/geos/${name}.tar.bz2";
     sha256 = "0ak5szby29l9l0vy43dm5z2g92xzdky20q1gc1kah1fnhkgi6nh4";
   };
 
diff --git a/pkgs/development/libraries/gf2x/default.nix b/pkgs/development/libraries/gf2x/default.nix
index 7ab06afdad6..1a449f57be7 100644
--- a/pkgs/development/libraries/gf2x/default.nix
+++ b/pkgs/development/libraries/gf2x/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
 
   # or fetchFromGitHub(owner,repo,rev) or fetchgit(rev)
   src = fetchurl {
-    url = "http://gforge.inria.fr/frs/download.php/file/30873/gf2x-1.1.tar.gz";
+    url = "https://gforge.inria.fr/frs/download.php/file/30873/gf2x-1.1.tar.gz";
     sha256 = "17w4b39j9dvri5s278pxi8ha7mf47j87kq1lr802l4408rh02gqd";
   };
 
diff --git a/pkgs/development/libraries/gle/default.nix b/pkgs/development/libraries/gle/default.nix
index 1980c633474..dd72637f2eb 100644
--- a/pkgs/development/libraries/gle/default.nix
+++ b/pkgs/development/libraries/gle/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   src = fetchurl {
     urls = [
       "mirror://sourceforge/project/gle/gle/gle-3.1.0/gle-3.1.0.tar.gz"
-      "http://www.linas.org/gle/pub/gle-3.1.0.tar.gz"
+      "https://www.linas.org/gle/pub/gle-3.1.0.tar.gz"
       ];
     sha256 = "09zs1di4dsssl9k322nzildvf41jwipbzhik9p43yb1bcfsp92nw";
   };
diff --git a/pkgs/development/libraries/gloox/default.nix b/pkgs/development/libraries/gloox/default.nix
index b6de369a1ec..eeeff731a6e 100644
--- a/pkgs/development/libraries/gloox/default.nix
+++ b/pkgs/development/libraries/gloox/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   name = "gloox-${version}";
 
   src = fetchurl {
-    url = "http://camaya.net/download/gloox-${version}.tar.bz2";
+    url = "https://camaya.net/download/gloox-${version}.tar.bz2";
     sha256 = "1k57qgif1yii515m6jaqaibkdysfab6394bpawd2l67321f1a4rw";
   };
 
diff --git a/pkgs/development/libraries/gtdialog/default.nix b/pkgs/development/libraries/gtdialog/default.nix
index 36da2fb72aa..d0a2d3691b4 100644
--- a/pkgs/development/libraries/gtdialog/default.nix
+++ b/pkgs/development/libraries/gtdialog/default.nix
@@ -6,7 +6,7 @@ let
     version="1.4";
     name="${baseName}-${version}";
     hash="1lhsaz56s8m838fi6vnfcd2r6djymvy3n2pbqhii88hraapq3rfk";
-    url="http://foicica.com/gtdialog/download/gtdialog_1.4.zip";
+    url="https://foicica.com/gtdialog/download/gtdialog_1.4.zip";
     sha256="1lhsaz56s8m838fi6vnfcd2r6djymvy3n2pbqhii88hraapq3rfk";
   };
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index 81a2c869179..7c67ab48ad4 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   name = "harfbuzz${optionalString withIcu "-icu"}-${version}";
 
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-${version}.tar.bz2";
+    url = "https://www.freedesktop.org/software/harfbuzz/release/harfbuzz-${version}.tar.bz2";
     sha256 = "18wnbq919k5h8pfm1pfy38gs1qzj1hnfr1wq989bix1n2jiii1d1";
   };
 
diff --git a/pkgs/development/libraries/ip2location-c/default.nix b/pkgs/development/libraries/ip2location-c/default.nix
index 82a4ec33755..a48908f41dd 100644
--- a/pkgs/development/libraries/ip2location-c/default.nix
+++ b/pkgs/development/libraries/ip2location-c/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     sha256 = "1gs43qgcyfn83abrkhvvw1s67d1sbkbj3hab9m17ysn6swafiycx";
-    url = "http://www.ip2location.com/downloads/ip2location-c-${version}.tar.gz";
+    url = "https://www.ip2location.com/downloads/ip2location-c-${version}.tar.gz";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
diff --git a/pkgs/development/libraries/isl/0.11.1.nix b/pkgs/development/libraries/isl/0.11.1.nix
index cdb018d297b..20a60f1a102 100644
--- a/pkgs/development/libraries/isl/0.11.1.nix
+++ b/pkgs/development/libraries/isl/0.11.1.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "isl-0.11.1"; # CLooG 0.16.3 fails to build with ISL 0.08.
 
   src = fetchurl {
-    url = "http://src.fedoraproject.org/repo/pkgs/gcc/isl-0.11.1.tar.bz2/bce1586384d8635a76d2f017fb067cd2/isl-0.11.1.tar.bz2";
+    url = "https://src.fedoraproject.org/repo/pkgs/gcc/isl-0.11.1.tar.bz2/bce1586384d8635a76d2f017fb067cd2/isl-0.11.1.tar.bz2";
     sha256 = "13d9cqa5rzhbjq0xf0b2dyxag7pqa72xj9dhsa03m8ccr1a4npq9";
   };
 
diff --git a/pkgs/development/libraries/java/dbus-java/default.nix b/pkgs/development/libraries/java/dbus-java/default.nix
index 23adfd80caa..daee9adb1fd 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 = http://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 13b4df395e5..6af8885464a 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 = http://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/libmatthew-java/default.nix b/pkgs/development/libraries/java/libmatthew-java/default.nix
index 87753533169..ad5192f94ce 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 = http://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/jbigkit/default.nix b/pkgs/development/libraries/jbigkit/default.nix
index 6435e9fc32d..321ebb46e46 100644
--- a/pkgs/development/libraries/jbigkit/default.nix
+++ b/pkgs/development/libraries/jbigkit/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "jbigkit-2.1";
 
   src = fetchurl {
-    url = "http://www.cl.cam.ac.uk/~mgk25/jbigkit/download/${name}.tar.gz";
+    url = "https://www.cl.cam.ac.uk/~mgk25/jbigkit/download/${name}.tar.gz";
     sha256 = "0cnrcdr1dwp7h7m0a56qw09bv08krb37mpf7cml5sjdgpyv0cwfy";
   };
 
diff --git a/pkgs/development/libraries/libLAS/default.nix b/pkgs/development/libraries/libLAS/default.nix
index 1e7720b0656..de796307de1 100644
--- a/pkgs/development/libraries/libLAS/default.nix
+++ b/pkgs/development/libraries/libLAS/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
 
-    url = "http://download.osgeo.org/liblas/${name}.tar.bz2";
+    url = "https://download.osgeo.org/liblas/${name}.tar.bz2";
     sha256 = "0xjfxb3ydvr2258ji3spzyf81g9caap19ql2pk91wiivqsc4mnws";
   };
 
diff --git a/pkgs/development/libraries/libabw/default.nix b/pkgs/development/libraries/libabw/default.nix
index 187e06239c1..fe2229bcea6 100644
--- a/pkgs/development/libraries/libabw/default.nix
+++ b/pkgs/development/libraries/libabw/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.1.2";
 
   src = fetchurl {
-    url = "http://dev-www.libreoffice.org/src/libabw/${name}.tar.xz";
+    url = "https://dev-www.libreoffice.org/src/libabw/${name}.tar.xz";
     sha256 = "11949iscdb99f2jplxjd39282jxcrf2fw0sqbh5dl7gqb96r8whb";
   };
 
diff --git a/pkgs/development/libraries/libantlr3c/default.nix b/pkgs/development/libraries/libantlr3c/default.nix
index 5f0b1ccd18e..ef583818859 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 = http://www.antlr3.org/download/C/libantlr3c-3.4.tar.gz;
+    url = https://www.antlr3.org/download/C/libantlr3c-3.4.tar.gz;
     sha256 ="0lpbnb4dq4azmsvlhp6khq1gy42kyqyjv8gww74g5lm2y6blm4fa";
   };
 
diff --git a/pkgs/development/libraries/libaudclient/default.nix b/pkgs/development/libraries/libaudclient/default.nix
index aab8fcd4beb..eebe667badb 100644
--- a/pkgs/development/libraries/libaudclient/default.nix
+++ b/pkgs/development/libraries/libaudclient/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "3.5-rc2";
 
   src = fetchurl {
-    url = "http://distfiles.audacious-media-player.org/${name}.tar.bz2";
+    url = "https://distfiles.audacious-media-player.org/${name}.tar.bz2";
     sha256 = "0nhpgz0kg8r00z54q5i96pjk7s57krq3fvdypq496c7fmlv9kdap";
   };
 
diff --git a/pkgs/development/libraries/libbsd/default.nix b/pkgs/development/libraries/libbsd/default.nix
index ff9412ceb58..36410e842a5 100644
--- a/pkgs/development/libraries/libbsd/default.nix
+++ b/pkgs/development/libraries/libbsd/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.8.7";
 
   src = fetchurl {
-    url = "http://libbsd.freedesktop.org/releases/${name}.tar.xz";
+    url = "https://libbsd.freedesktop.org/releases/${name}.tar.xz";
     sha256 = "0c9bl49zs0xdddcwj5dh0lay9sxi2m1yi74848g8p87mb87g2j7m";
   };
 
diff --git a/pkgs/development/libraries/libcdr/default.nix b/pkgs/development/libraries/libcdr/default.nix
index 6d8cafcfaa6..8b5130b0eac 100644
--- a/pkgs/development/libraries/libcdr/default.nix
+++ b/pkgs/development/libraries/libcdr/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libcdr-0.1.4";
 
   src = fetchurl {
-    url = "http://dev-www.libreoffice.org/src/${name}.tar.xz";
+    url = "https://dev-www.libreoffice.org/src/${name}.tar.xz";
     sha256 = "0vd6likgk51j46llybkx4wq3674xzrhp0k82220pkx9x1aqfi9z7";
   };
 
diff --git a/pkgs/development/libraries/libclthreads/default.nix b/pkgs/development/libraries/libclthreads/default.nix
index ea27046279c..6d37eb19c71 100644
--- a/pkgs/development/libraries/libclthreads/default.nix
+++ b/pkgs/development/libraries/libclthreads/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.4.0";
 
   src = fetchurl {
-    url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/clthreads-${version}.tar.bz2";
+    url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/clthreads-${version}.tar.bz2";
     sha256 = "1s8xx99z6llv46cvkllmd72v2pkzbfl5gngcql85mf14mxkdb7x6";
   };
 
diff --git a/pkgs/development/libraries/libclxclient/default.nix b/pkgs/development/libraries/libclxclient/default.nix
index 3386b081a10..ce67a8efa80 100644
--- a/pkgs/development/libraries/libclxclient/default.nix
+++ b/pkgs/development/libraries/libclxclient/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "3.9.0";
 
   src = fetchurl {
-    url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/clxclient-${version}.tar.bz2";
+    url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/clxclient-${version}.tar.bz2";
     sha256 = "14l7xrh964gllymraq4n5pgax94p5jsfjslqi5c6637zc4lmgnl0";
   };
 
diff --git a/pkgs/development/libraries/libcutl/default.nix b/pkgs/development/libraries/libcutl/default.nix
index 7b4d39f955a..81122a6eb52 100644
--- a/pkgs/development/libraries/libcutl/default.nix
+++ b/pkgs/development/libraries/libcutl/default.nix
@@ -15,7 +15,7 @@ mkDerivation rec {
   };
 
   src = fetchurl {
-    url = "http://codesynthesis.com/download/libcutl/1.9/${name}.tar.bz2";
+    url = "https://codesynthesis.com/download/libcutl/1.9/${name}.tar.bz2";
     sha1 = "0e8d255145afbc339a3284ef85a43f4baf3fec43";
   };
 
diff --git a/pkgs/development/libraries/libdap/default.nix b/pkgs/development/libraries/libdap/default.nix
index fc0221b9388..5a0006ad6c6 100644
--- a/pkgs/development/libraries/libdap/default.nix
+++ b/pkgs/development/libraries/libdap/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libuuid curl libxml2 ];
 
   src = fetchurl {
-    url = "http://www.opendap.org/pub/source/${name}.tar.gz";
+    url = "https://www.opendap.org/pub/source/${name}.tar.gz";
     sha256 = "0gnki93z3kkzp65x7n1kancy7bd503j4qja5fhzvm1gkmi5l65aj";
   };
 
diff --git a/pkgs/development/libraries/libdivecomputer/default.nix b/pkgs/development/libraries/libdivecomputer/default.nix
index a09e48dcc1d..c94806b50c1 100644
--- a/pkgs/development/libraries/libdivecomputer/default.nix
+++ b/pkgs/development/libraries/libdivecomputer/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.6.0";
 
   src = fetchurl {
-    url = "http://www.libdivecomputer.org/releases/${name}.tar.gz";
+    url = "https://www.libdivecomputer.org/releases/${name}.tar.gz";
     sha256 = "0nm1mcscpxb9dv4p0lidd6rf5xg4vmcbigj6zqxvgn7pwnvpbzm0";
   };
 
diff --git a/pkgs/development/libraries/libdrm/default.nix b/pkgs/development/libraries/libdrm/default.nix
index 4d1b4e4c3fd..93ef1957d2c 100644
--- a/pkgs/development/libraries/libdrm/default.nix
+++ b/pkgs/development/libraries/libdrm/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libdrm-2.4.92";
 
   src = fetchurl {
-    url = "http://dri.freedesktop.org/libdrm/${name}.tar.bz2";
+    url = "https://dri.freedesktop.org/libdrm/${name}.tar.bz2";
     sha256 = "1yirzx8hmlvv6r0l7lb3zxmgy5la2mri9al0k16xqfg19pdqzr79";
   };
 
diff --git a/pkgs/development/libraries/libdwarf/default.nix b/pkgs/development/libraries/libdwarf/default.nix
index 6057dae4be2..e81ea18103d 100644
--- a/pkgs/development/libraries/libdwarf/default.nix
+++ b/pkgs/development/libraries/libdwarf/default.nix
@@ -3,7 +3,7 @@
 let
   version = "20180129";
   src = fetchurl {
-    url = "http://www.prevanders.net/libdwarf-${version}.tar.gz";
+    url = "https://www.prevanders.net/libdwarf-${version}.tar.gz";
     # Upstream displays this hash broken into three parts:
     sha512 = "02f8024bb9959c91a1fe322459f7587a589d096595"
            + "6d643921a173e6f9e0a184db7aef66f0fd2548d669"
diff --git a/pkgs/development/libraries/libeatmydata/default.nix b/pkgs/development/libraries/libeatmydata/default.nix
index 5f422f7018b..5127231dab6 100644
--- a/pkgs/development/libraries/libeatmydata/default.nix
+++ b/pkgs/development/libraries/libeatmydata/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libeatmydata-105";
   
   src = fetchurl {
-    url = "http://www.flamingspork.com/projects/libeatmydata/${name}.tar.gz";
+    url = "https://www.flamingspork.com/projects/libeatmydata/${name}.tar.gz";
     sha256 = "1pd8sc73cgc41ldsvq6g8ics1m5k8gdcb91as9yg8z5jnrld1lmx";
   };
 
diff --git a/pkgs/development/libraries/libebml/default.nix b/pkgs/development/libraries/libebml/default.nix
index 4b233301cce..b5b2b8e3734 100644
--- a/pkgs/development/libraries/libebml/default.nix
+++ b/pkgs/development/libraries/libebml/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libebml-1.3.5";
 
   src = fetchurl {
-    url = "http://dl.matroska.org/downloads/libebml/${name}.tar.xz";
+    url = "https://dl.matroska.org/downloads/libebml/${name}.tar.xz";
     sha256 = "005a0ipqnfbsq47zrc61zszi439jw32q5xd6dc1jyb3lc0zl266q";
   };
 
diff --git a/pkgs/development/libraries/libedit/default.nix b/pkgs/development/libraries/libedit/default.nix
index da4bbcad4fb..bc4cea1b470 100644
--- a/pkgs/development/libraries/libedit/default.nix
+++ b/pkgs/development/libraries/libedit/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libedit-20180525-3.1";
 
   src = fetchurl {
-    url = "http://thrysoee.dk/editline/${name}.tar.gz";
+    url = "https://thrysoee.dk/editline/${name}.tar.gz";
     sha256 = "05iicng4kag5hxdc7adbyj1gm3qbmvcc33m9cyx5gys0s67yl6y4";
   };
 
diff --git a/pkgs/development/libraries/libexttextcat/default.nix b/pkgs/development/libraries/libexttextcat/default.nix
index 0ba703585bb..8d264c929a5 100644
--- a/pkgs/development/libraries/libexttextcat/default.nix
+++ b/pkgs/development/libraries/libexttextcat/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libexttextcat-3.4.5";
 
   src = fetchurl {
-    url = "http://dev-www.libreoffice.org/src/libexttextcat/${name}.tar.xz";
+    url = "https://dev-www.libreoffice.org/src/libexttextcat/${name}.tar.xz";
     sha256 = "1j6sjwkyhqvsgyw938bxxfwkzzi1mahk66g5342lv6j89jfvrz8k";
   };
 
diff --git a/pkgs/development/libraries/libfakekey/default.nix b/pkgs/development/libraries/libfakekey/default.nix
index 6aca1d2be6d..fa04655341d 100644
--- a/pkgs/development/libraries/libfakekey/default.nix
+++ b/pkgs/development/libraries/libfakekey/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.1";
 
   src = fetchurl {
-    url = "http://downloads.yoctoproject.org/releases/matchbox/libfakekey/0.1/${name}.tar.gz";
+    url = "https://downloads.yoctoproject.org/releases/matchbox/libfakekey/0.1/${name}.tar.gz";
     sha256 = "10msplyn535hmzbmbdnx4zc20hkaw6d81if5lzxs82k8sq2mkx9k";
   };
 
diff --git a/pkgs/development/libraries/libftdi/1.x.nix b/pkgs/development/libraries/libftdi/1.x.nix
index c6deb1fc929..b59bf9a06ac 100644
--- a/pkgs/development/libraries/libftdi/1.x.nix
+++ b/pkgs/development/libraries/libftdi/1.x.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   name = "libftdi1-1.4";
 
   src = fetchurl {
-    url = "http://www.intra2net.com/en/developer/libftdi/download/${name}.tar.bz2";
+    url = "https://www.intra2net.com/en/developer/libftdi/download/${name}.tar.bz2";
     sha256 = "0x0vncf6i92slgrn0h7ghkskqbglbs534220qa84d0qg114zndpc";
   };
 
diff --git a/pkgs/development/libraries/libftdi/default.nix b/pkgs/development/libraries/libftdi/default.nix
index f90e741a57e..74b87a46ef0 100644
--- a/pkgs/development/libraries/libftdi/default.nix
+++ b/pkgs/development/libraries/libftdi/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libftdi-0.20";
 
   src = fetchurl {
-    url = "http://www.intra2net.com/en/developer/libftdi/download/${name}.tar.gz";
+    url = "https://www.intra2net.com/en/developer/libftdi/download/${name}.tar.gz";
     sha256 = "13l39f6k6gff30hsgh0wa2z422g9pyl91rh8a8zz6f34k2sxaxii";
   };
 
diff --git a/pkgs/development/libraries/libgdiplus/default.nix b/pkgs/development/libraries/libgdiplus/default.nix
index 79f49c629b8..05c320c42ae 100644
--- a/pkgs/development/libraries/libgdiplus/default.nix
+++ b/pkgs/development/libraries/libgdiplus/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "libgdiplus-2.10.9";
 
   src = fetchurl {
-    url = "http://download.mono-project.com/sources/libgdiplus/${name}.tar.bz2";
+    url = "https://download.mono-project.com/sources/libgdiplus/${name}.tar.bz2";
     sha256 = "0klnbly2q0yx5p0l5z8da9lhqsjj9xqj06kdw2v7rnms4z1vdpkd";
   };
 
diff --git a/pkgs/development/libraries/libgeotiff/default.nix b/pkgs/development/libraries/libgeotiff/default.nix
index 3d49fa06450..48a1490caec 100644
--- a/pkgs/development/libraries/libgeotiff/default.nix
+++ b/pkgs/development/libraries/libgeotiff/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "libgeotiff-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/geotiff/libgeotiff/${name}.tar.gz";
+    url = "https://download.osgeo.org/geotiff/libgeotiff/${name}.tar.gz";
     sha256 = "0vjy3bwfhljjx66p9w999i4mdhsf7vjshx29yc3pn5livf5091xd";
   };
 
diff --git a/pkgs/development/libraries/libgig/default.nix b/pkgs/development/libraries/libgig/default.nix
index 90d41e30502..08fce9c521e 100644
--- a/pkgs/development/libraries/libgig/default.nix
+++ b/pkgs/development/libraries/libgig/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "4.1.0";
 
   src = fetchurl {
-    url = "http://download.linuxsampler.org/packages/${name}.tar.bz2";
+    url = "https://download.linuxsampler.org/packages/${name}.tar.bz2";
     sha256 = "02xx6bqxzgkvrawwnzrnxx1ypk244q4kpwfd58266f9ji8kq18h6";
   };
 
diff --git a/pkgs/development/libraries/libinput/default.nix b/pkgs/development/libraries/libinput/default.nix
index 3b4e3233d55..bf08db6d3b7 100644
--- a/pkgs/development/libraries/libinput/default.nix
+++ b/pkgs/development/libraries/libinput/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   version = "1.11.0";
 
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/libinput/${name}.tar.xz";
+    url = "https://www.freedesktop.org/software/libinput/${name}.tar.xz";
     sha256 = "04mwl1v51b785h7q3v23hahr0qzr48qq1jzj7d3msjvgh97nr8v4";
   };
 
diff --git a/pkgs/development/libraries/libmatchbox/default.nix b/pkgs/development/libraries/libmatchbox/default.nix
index fcecd3a9d13..798aef8e7da 100644
--- a/pkgs/development/libraries/libmatchbox/default.nix
+++ b/pkgs/development/libraries/libmatchbox/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ libX11 libXext libpng ];
 
   src = fetchurl {
-    url = "http://downloads.yoctoproject.org/releases/matchbox/libmatchbox/${version}/libmatchbox-${version}.tar.bz2";
+    url = "https://downloads.yoctoproject.org/releases/matchbox/libmatchbox/${version}/libmatchbox-${version}.tar.bz2";
     sha256 = "0lvv44s3bf96zvkysa4ansxj2ffgj3b5kgpliln538q4wd9ank15";
   };
 
diff --git a/pkgs/development/libraries/libmatheval/default.nix b/pkgs/development/libraries/libmatheval/default.nix
index 1b17ff0dd43..8e429875b36 100644
--- a/pkgs/development/libraries/libmatheval/default.nix
+++ b/pkgs/development/libraries/libmatheval/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ guile ];
 
   src = fetchurl {
-    url = "http://ftp.gnu.org/gnu/libmatheval/${name}.tar.gz";
+    url = "https://ftp.gnu.org/gnu/libmatheval/${name}.tar.gz";
     sha256 = "474852d6715ddc3b6969e28de5e1a5fbaff9e8ece6aebb9dc1cc63e9e88e89ab";
   };
 
diff --git a/pkgs/development/libraries/libmatroska/default.nix b/pkgs/development/libraries/libmatroska/default.nix
index 764f4442e6c..e7bce0e8018 100644
--- a/pkgs/development/libraries/libmatroska/default.nix
+++ b/pkgs/development/libraries/libmatroska/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libmatroska-1.4.8";
 
   src = fetchurl {
-    url = "http://dl.matroska.org/downloads/libmatroska/${name}.tar.xz";
+    url = "https://dl.matroska.org/downloads/libmatroska/${name}.tar.xz";
     sha256 = "14n9sw974prr3yp4yjb7aadi6x2yz5a0hjw8fs3qigy5shh2piyq";
   };
 
diff --git a/pkgs/development/libraries/libmnl/default.nix b/pkgs/development/libraries/libmnl/default.nix
index 2dbdb60b4b6..7c4b451ae6d 100644
--- a/pkgs/development/libraries/libmnl/default.nix
+++ b/pkgs/development/libraries/libmnl/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libmnl-1.0.4";
 
   src = fetchurl {
-    url = "http://netfilter.org/projects/libmnl/files/${name}.tar.bz2";
+    url = "https://netfilter.org/projects/libmnl/files/${name}.tar.bz2";
     sha256 = "108zampspaalv44zn0ar9h386dlfixpd149bnxa5hsi8kxlqj7qp";
   };
 
diff --git a/pkgs/development/libraries/libmpcdec/default.nix b/pkgs/development/libraries/libmpcdec/default.nix
index 084d7ba7370..a5a4d68ad96 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 = http://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/libmrss/default.nix b/pkgs/development/libraries/libmrss/default.nix
index b0adcf23754..f1a061e5ab5 100644
--- a/pkgs/development/libraries/libmrss/default.nix
+++ b/pkgs/development/libraries/libmrss/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libmrss-0.19.2";
 
   src = fetchurl {
-    url = "http://www.autistici.org/bakunin/libmrss/libmrss-0.19.2.tar.gz";
+    url = "https://www.autistici.org/bakunin/libmrss/libmrss-0.19.2.tar.gz";
     sha256 = "02r1bgj8qlkn63xqfi5yq8y7wrilxcnkycaag8qskhg5ranic507";
   };
 
diff --git a/pkgs/development/libraries/libmspack/default.nix b/pkgs/development/libraries/libmspack/default.nix
index 79d4c056341..ef250441dab 100644
--- a/pkgs/development/libraries/libmspack/default.nix
+++ b/pkgs/development/libraries/libmspack/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libmspack-0.6alpha";
 
   src = fetchurl {
-    url = "http://www.cabextract.org.uk/libmspack/${name}.tar.gz";
+    url = "https://www.cabextract.org.uk/libmspack/${name}.tar.gz";
     sha256 = "08gr2pcinas6bdqz3k0286g5cnksmcx813skmdwyca6bmj1fxnqy";
   };
 
diff --git a/pkgs/development/libraries/libmysqlconnectorcpp/default.nix b/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
index 9eefbcfdb49..2b7258031c3 100644
--- a/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
+++ b/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.1.9";
 
   src = fetchurl {
-    url = "http://cdn.mysql.com/Downloads/Connector-C++/mysql-connector-c++-${version}.tar.gz";
+    url = "https://cdn.mysql.com/Downloads/Connector-C++/mysql-connector-c++-${version}.tar.gz";
     sha256 = "1r6j17sy5816a2ld759iis2k6igc2w9p70y4nw9w3rd4d5x88c9y";
   };
 
diff --git a/pkgs/development/libraries/libnetfilter_cthelper/default.nix b/pkgs/development/libraries/libnetfilter_cthelper/default.nix
index fa94fa549e4..a680e009ab6 100644
--- a/pkgs/development/libraries/libnetfilter_cthelper/default.nix
+++ b/pkgs/development/libraries/libnetfilter_cthelper/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.0.0";
 
   src = fetchurl {
-    url = "http://netfilter.org/projects/libnetfilter_cthelper/files/${name}.tar.bz2";
+    url = "https://netfilter.org/projects/libnetfilter_cthelper/files/${name}.tar.bz2";
     sha256 = "07618e71c4d9a6b6b3dc1986540486ee310a9838ba754926c7d14a17d8fccf3d";
   };
 
diff --git a/pkgs/development/libraries/libnfnetlink/default.nix b/pkgs/development/libraries/libnfnetlink/default.nix
index 5395b5b2e99..fa6461d8691 100644
--- a/pkgs/development/libraries/libnfnetlink/default.nix
+++ b/pkgs/development/libraries/libnfnetlink/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libnfnetlink-1.0.1";
 
   src = fetchurl {
-    url = "http://www.netfilter.org/projects/libnfnetlink/files/${name}.tar.bz2";
+    url = "https://www.netfilter.org/projects/libnfnetlink/files/${name}.tar.bz2";
     sha256 = "06mm2x4b01k3m7wnrxblk9j0mybyr4pfz28ml7944xhjx6fy2w7j";
   };
 
diff --git a/pkgs/development/libraries/libnice/default.nix b/pkgs/development/libraries/libnice/default.nix
index c7967c3fb6f..cdf93b0b2ff 100644
--- a/pkgs/development/libraries/libnice/default.nix
+++ b/pkgs/development/libraries/libnice/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libnice-0.1.14";
 
   src = fetchurl {
-    url = "http://nice.freedesktop.org/releases/${name}.tar.gz";
+    url = "https://nice.freedesktop.org/releases/${name}.tar.gz";
     sha256 = "17404z0fr6z3k7s2pkyyh9xp5gv7yylgyxx01mpl7424bnlhn4my";
   };
 
diff --git a/pkgs/development/libraries/libnxml/default.nix b/pkgs/development/libraries/libnxml/default.nix
index f34c421a120..8d97a13b0a0 100644
--- a/pkgs/development/libraries/libnxml/default.nix
+++ b/pkgs/development/libraries/libnxml/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "libnxml-0.18.3";
 
   src = fetchurl {
-    url = "http://www.autistici.org/bakunin/libnxml/libnxml-0.18.3.tar.gz";
+    url = "https://www.autistici.org/bakunin/libnxml/libnxml-0.18.3.tar.gz";
     sha256 = "0ix5b9bxd7r517vhgcxwdviq4m0g0pq46s5g3h04gcqnpbin150g";
   };
 
diff --git a/pkgs/development/libraries/libpcap/default.nix b/pkgs/development/libraries/libpcap/default.nix
index 94555438693..f94f327ea02 100644
--- a/pkgs/development/libraries/libpcap/default.nix
+++ b/pkgs/development/libraries/libpcap/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libpcap-1.8.1";
 
   src = fetchurl {
-    url = "http://www.tcpdump.org/release/${name}.tar.gz";
+    url = "https://www.tcpdump.org/release/${name}.tar.gz";
     sha256 = "07jlhc66z76dipj4j5v3dig8x6h3k6cb36kmnmpsixf3zmlvqgb7";
   };
 
diff --git a/pkgs/development/libraries/libplist/default.nix b/pkgs/development/libraries/libplist/default.nix
index d8ebc2e83a6..8da097c3d38 100644
--- a/pkgs/development/libraries/libplist/default.nix
+++ b/pkgs/development/libraries/libplist/default.nix
@@ -19,7 +19,7 @@ in stdenv.mkDerivation rec {
   '';
 
   src = fetchurl {
-    url = "http://www.libimobiledevice.org/downloads/${name}.tar.bz2";
+    url = "https://www.libimobiledevice.org/downloads/${name}.tar.bz2";
     sha256 = "00pnh9zf3iwdji2faccns7vagbmbrwbj9a8zp9s53a6rqaa9czis";
   };
 
diff --git a/pkgs/development/libraries/libraw/default.nix b/pkgs/development/libraries/libraw/default.nix
index 3ce4b3f2d3f..9803e09610e 100644
--- a/pkgs/development/libraries/libraw/default.nix
+++ b/pkgs/development/libraries/libraw/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.18.12";
 
   src = fetchurl {
-    url = "http://www.libraw.org/data/LibRaw-${version}.tar.gz";
+    url = "https://www.libraw.org/data/LibRaw-${version}.tar.gz";
     sha256 = "1m2khr2cij8z6lawgbmdksjn14fpnjsy8ad4qahnpqapm1slsxap";
   };
 
diff --git a/pkgs/development/libraries/librep/default.nix b/pkgs/development/libraries/librep/default.nix
index 5b3beda1eb8..2f78222cebb 100644
--- a/pkgs/development/libraries/librep/default.nix
+++ b/pkgs/development/libraries/librep/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   sourceName = "librep_${version}";
 
   src = fetchurl {
-    url = "http://download.tuxfamily.org/librep/${sourceName}.tar.xz";
+    url = "https://download.tuxfamily.org/librep/${sourceName}.tar.xz";
     sha256 = "1bmcjl1x1rdh514q9z3hzyjmjmwwwkziipjpjsl301bwmiwrd8a8";
   };
 
diff --git a/pkgs/development/libraries/libspatialindex/default.nix b/pkgs/development/libraries/libspatialindex/default.nix
index aa3aaa1c59b..8018b84a52b 100644
--- a/pkgs/development/libraries/libspatialindex/default.nix
+++ b/pkgs/development/libraries/libspatialindex/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "libspatialindex-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/libspatialindex/spatialindex-src-${version}.tar.gz";
+    url = "https://download.osgeo.org/libspatialindex/spatialindex-src-${version}.tar.gz";
     sha256 = "1vxzm7kczwnb6qdmc0hb00z8ykx11zk3sb68gc7rch4vrfi4dakw";
   };
 
diff --git a/pkgs/development/libraries/libspatialite/default.nix b/pkgs/development/libraries/libspatialite/default.nix
index 253c5365c8a..b75baf149e1 100644
--- a/pkgs/development/libraries/libspatialite/default.nix
+++ b/pkgs/development/libraries/libspatialite/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "libspatialite-4.3.0a";
 
   src = fetchurl {
-    url = "http://www.gaia-gis.it/gaia-sins/libspatialite-sources/${name}.tar.gz";
+    url = "https://www.gaia-gis.it/gaia-sins/libspatialite-sources/${name}.tar.gz";
     sha256 = "16d4lpl7xrm9zy4gphy6nwanpjp8wn9g4wq2i2kh8abnlhq01448";
   };
 
diff --git a/pkgs/development/libraries/libspectre/default.nix b/pkgs/development/libraries/libspectre/default.nix
index 647e6f16fdf..f1e4169bd48 100644
--- a/pkgs/development/libraries/libspectre/default.nix
+++ b/pkgs/development/libraries/libspectre/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libspectre-0.2.7";
 
   src = fetchurl {
-    url = "http://libspectre.freedesktop.org/releases/${name}.tar.gz";
+    url = "https://libspectre.freedesktop.org/releases/${name}.tar.gz";
     sha256 = "1v63lqc6bhhxwkpa43qmz8phqs8ci4dhzizyy16d3vkb20m846z8";
   };
 
diff --git a/pkgs/development/libraries/libstatgrab/default.nix b/pkgs/development/libraries/libstatgrab/default.nix
index 72d73e35848..fb7b3be6b69 100644
--- a/pkgs/development/libraries/libstatgrab/default.nix
+++ b/pkgs/development/libraries/libstatgrab/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "libstatgrab-0.91";
 
   src = fetchurl {
-    url = "http://ftp.i-scream.org/pub/i-scream/libstatgrab/${name}.tar.gz";
+    url = "https://ftp.i-scream.org/pub/i-scream/libstatgrab/${name}.tar.gz";
     sha256 = "1azinx2yzs442ycwq6p15skl3mscmqj7fd5hq7fckhjp92735s83";
   };
 
diff --git a/pkgs/development/libraries/libtiff/default.nix b/pkgs/development/libraries/libtiff/default.nix
index 6676944d529..c492a15bfa4 100644
--- a/pkgs/development/libraries/libtiff/default.nix
+++ b/pkgs/development/libraries/libtiff/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   name = "libtiff-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/libtiff/tiff-${version}.tar.gz";
+    url = "https://download.osgeo.org/libtiff/tiff-${version}.tar.gz";
     sha256 = "1kfg4q01r4mqn7dj63ifhi6pmqzbf4xax6ni6kkk81ri5kndwyvf";
   };
 
diff --git a/pkgs/development/libraries/libtsm/default.nix b/pkgs/development/libraries/libtsm/default.nix
index 58b052b8fae..18ceb530229 100644
--- a/pkgs/development/libraries/libtsm/default.nix
+++ b/pkgs/development/libraries/libtsm/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libtsm-3";
 
   src = fetchurl {
-    url = "http://freedesktop.org/software/kmscon/releases/${name}.tar.xz";
+    url = "https://freedesktop.org/software/kmscon/releases/${name}.tar.xz";
     sha256 = "01ygwrsxfii0pngfikgqsb4fxp8n1bbs47l7hck81h9b9bc1ah8i";
   };
 
diff --git a/pkgs/development/libraries/libtxc_dxtn/default.nix b/pkgs/development/libraries/libtxc_dxtn/default.nix
index 97757005015..21e3a15449c 100644
--- a/pkgs/development/libraries/libtxc_dxtn/default.nix
+++ b/pkgs/development/libraries/libtxc_dxtn/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   name = "libtxc_dxtn-${version}";
 
   src = fetchurl {
-    url = "http://people.freedesktop.org/~cbrill/libtxc_dxtn/${name}.tar.bz2";
+    url = "https://people.freedesktop.org/~cbrill/libtxc_dxtn/${name}.tar.bz2";
     sha256 = "0q5fjaknl7s0z206dd8nzk9bdh8g4p23bz7784zrllnarl90saa5";
   };
 
diff --git a/pkgs/development/libraries/libusbmuxd/default.nix b/pkgs/development/libraries/libusbmuxd/default.nix
index 3d15b698b48..ae53178e88d 100644
--- a/pkgs/development/libraries/libusbmuxd/default.nix
+++ b/pkgs/development/libraries/libusbmuxd/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   name = "libusbmuxd-1.0.10";
   src = fetchurl {
-    url = "http://www.libimobiledevice.org/downloads/${name}.tar.bz2";
+    url = "https://www.libimobiledevice.org/downloads/${name}.tar.bz2";
     sha256 = "1wn9zq2224786mdr12c5hxad643d29wg4z6b7jn888jx4s8i78hs";
   };
 
diff --git a/pkgs/development/libraries/libva/1.0.0.nix b/pkgs/development/libraries/libva/1.0.0.nix
index 04d621e29c8..097ac0e3e98 100644
--- a/pkgs/development/libraries/libva/1.0.0.nix
+++ b/pkgs/development/libraries/libva/1.0.0.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   version = "1.7.3";
 
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/vaapi/releases/libva/${name}.tar.bz2";
+    url = "https://www.freedesktop.org/software/vaapi/releases/libva/${name}.tar.bz2";
     sha256 = "1ndrf136rlw03xag7j1xpmf9015d1h0dpnv6v587jnh6k2a17g12";
   };
 
diff --git a/pkgs/development/libraries/libvirt-glib/default.nix b/pkgs/development/libraries/libvirt-glib/default.nix
index 0dbe30251bd..2d83955de69 100644
--- a/pkgs/development/libraries/libvirt-glib/default.nix
+++ b/pkgs/development/libraries/libvirt-glib/default.nix
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
-    url = "http://libvirt.org/sources/glib/${name}.tar.gz";
+    url = "https://libvirt.org/sources/glib/${name}.tar.gz";
     sha256 = "0iwa5sdbii52pjpdm5j37f67sdmf0kpcky4liwhy1nf43k85i4fa";
   };
 
diff --git a/pkgs/development/libraries/libx86/default.nix b/pkgs/development/libraries/libx86/default.nix
index d73d67a39cf..d56c20cb75a 100644
--- a/pkgs/development/libraries/libx86/default.nix
+++ b/pkgs/development/libraries/libx86/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "libx86-${version}";
   version = "1.1";
   src = fetchurl {
-    url = "http://www.codon.org.uk/~mjg59/libx86/downloads/${name}.tar.gz";
+    url = "https://www.codon.org.uk/~mjg59/libx86/downloads/${name}.tar.gz";
     sha256 = "0j6h6bc02c6qi0q7c1ncraz4d1hkm5936r35rfsp4x1jrc233wav";
   };
   patches = [./constants.patch ./non-x86.patch ];
diff --git a/pkgs/development/libraries/libxcomp/default.nix b/pkgs/development/libraries/libxcomp/default.nix
index d225831f702..b4ad501c2ef 100644
--- a/pkgs/development/libraries/libxcomp/default.nix
+++ b/pkgs/development/libraries/libxcomp/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     sha256 = "1m3z9w3h6qpgk265xf030w7lcs181jgw2cdyzshb7l97mn1f7hh2";
-    url = "http://code.x2go.org/releases/source/nx-libs/nx-libs-${version}-lite.tar.gz";
+    url = "https://code.x2go.org/releases/source/nx-libs/nx-libs-${version}-lite.tar.gz";
   };
 
   buildInputs = [ libjpeg libpng libX11 zlib ];
diff --git a/pkgs/development/libraries/libyaml/default.nix b/pkgs/development/libraries/libyaml/default.nix
index 20053190e3b..150da3d4599 100644
--- a/pkgs/development/libraries/libyaml/default.nix
+++ b/pkgs/development/libraries/libyaml/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   name = "libyaml-${version}";
 
   src = fetchurl {
-    url = "http://pyyaml.org/download/libyaml/yaml-${version}.tar.gz";
+    url = "https://pyyaml.org/download/libyaml/yaml-${version}.tar.gz";
     sha256 = "0a87931cx5m14a1x8rbjix3nz7agrcgndf4h392vm62a4rby9240";
   };
 
diff --git a/pkgs/development/libraries/libzdb/default.nix b/pkgs/development/libraries/libzdb/default.nix
index 4a5aa057a5c..f3cbddf1ec4 100644
--- a/pkgs/development/libraries/libzdb/default.nix
+++ b/pkgs/development/libraries/libzdb/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec
 
   src = fetchurl
   {
-    url = "http://www.tildeslash.com/libzdb/dist/libzdb-${version}.tar.gz";
+    url = "https://www.tildeslash.com/libzdb/dist/libzdb-${version}.tar.gz";
     sha256 = "1596njvy518x7vsvsykmnk1ky82x8jxd6nmmp551y6hxn2qsn08g";
   };
 
diff --git a/pkgs/development/libraries/loudmouth/default.nix b/pkgs/development/libraries/loudmouth/default.nix
index 762d23e240a..e014e38c3f9 100644
--- a/pkgs/development/libraries/loudmouth/default.nix
+++ b/pkgs/development/libraries/loudmouth/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "loudmouth-${version}";
 
   src = fetchurl {
-    url = "http://mcabber.com/files/loudmouth/${name}.tar.bz2";
+    url = "https://mcabber.com/files/loudmouth/${name}.tar.bz2";
     sha256 = "0b6kd5gpndl9nzis3n6hcl0ldz74bnbiypqgqa1vgb0vrcar8cjl";
   };
 
diff --git a/pkgs/development/libraries/mdds/0.12.1.nix b/pkgs/development/libraries/mdds/0.12.1.nix
index 1c6134d0480..11bd437d377 100644
--- a/pkgs/development/libraries/mdds/0.12.1.nix
+++ b/pkgs/development/libraries/mdds/0.12.1.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "mdds-${version}";
 
   src = fetchurl {
-    url = "http://kohei.us/files/mdds/src/mdds_${version}.tar.bz2";
+    url = "https://kohei.us/files/mdds/src/mdds_${version}.tar.bz2";
     sha256 = "0gg8mb9kxh3wggh7njj1gf90xy27p0yq2cw88wqar9hhg2fmwmi3";
   };
 
diff --git a/pkgs/development/libraries/mdds/default.nix b/pkgs/development/libraries/mdds/default.nix
index 592b6d7a677..90d86ea9165 100644
--- a/pkgs/development/libraries/mdds/default.nix
+++ b/pkgs/development/libraries/mdds/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "mdds-${version}";
 
   src = fetchurl {
-    url = "http://kohei.us/files/mdds/src/mdds-${version}.tar.bz2";
+    url = "https://kohei.us/files/mdds/src/mdds-${version}.tar.bz2";
     sha256 = "18g511z1lgfxrga2ld9yr95phmyfbd3ymbv4q5g5lyjn4ljcvf6w";
   };
 
diff --git a/pkgs/development/libraries/mpich2/default.nix b/pkgs/development/libraries/mpich2/default.nix
index 4b8e2b651e4..6c5a0e5279c 100644
--- a/pkgs/development/libraries/mpich2/default.nix
+++ b/pkgs/development/libraries/mpich2/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation  rec {
   version = "3.2.1";
 
   src = fetchurl {
-    url = "http://www.mpich.org/static/downloads/${version}/mpich-${version}.tar.gz";
+    url = "https://www.mpich.org/static/downloads/${version}/mpich-${version}.tar.gz";
     sha256 = "1w9h4g7d46d9l5jbcyfxpaqzpjrc5hyvr9d0ns7278psxpr3pdax";
   };
 
diff --git a/pkgs/development/libraries/opendbx/default.nix b/pkgs/development/libraries/opendbx/default.nix
index 48ec5141e34..20a62ef67f9 100644
--- a/pkgs/development/libraries/opendbx/default.nix
+++ b/pkgs/development/libraries/opendbx/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   name = "opendbx-1.4.6";
 
   src = fetchurl {
-    url = "http://linuxnetworks.de/opendbx/download/${name}.tar.gz";
+    url = "https://linuxnetworks.de/opendbx/download/${name}.tar.gz";
     sha256 = "0z29h6zx5f3gghkh1a0060w6wr572ci1rl2a3480znf728wa0ii2";
   };
 
diff --git a/pkgs/development/libraries/openldap/default.nix b/pkgs/development/libraries/openldap/default.nix
index 93ba3f15a09..907f071d5c5 100644
--- a/pkgs/development/libraries/openldap/default.nix
+++ b/pkgs/development/libraries/openldap/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "openldap-2.4.45";
 
   src = fetchurl {
-    url = "http://www.openldap.org/software/download/OpenLDAP/openldap-release/${name}.tgz";
+    url = "https://www.openldap.org/software/download/OpenLDAP/openldap-release/${name}.tgz";
     sha256 = "091qvwk5dkcpp17ziabcnh3rg3m7qwzw2pihfcd1d5fdxgywzmnd";
   };
 
diff --git a/pkgs/development/libraries/openssl/default.nix b/pkgs/development/libraries/openssl/default.nix
index 31e9d661a58..0251de77d03 100644
--- a/pkgs/development/libraries/openssl/default.nix
+++ b/pkgs/development/libraries/openssl/default.nix
@@ -12,7 +12,7 @@ let
     name = "openssl-${version}";
 
     src = fetchurl {
-      url = "http://www.openssl.org/source/${name}.tar.gz";
+      url = "https://www.openssl.org/source/${name}.tar.gz";
       inherit sha256;
     };
 
diff --git a/pkgs/development/libraries/physics/cernlib/default.nix b/pkgs/development/libraries/physics/cernlib/default.nix
index dad138c8433..f837d807219 100644
--- a/pkgs/development/libraries/physics/cernlib/default.nix
+++ b/pkgs/development/libraries/physics/cernlib/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "cernlib-${version}";
 
   src = fetchurl {
-    url = "http://cernlib.web.cern.ch/cernlib/download/${version}_source/tar/${version}_src.tar.gz";
+    url = "https://cernlib.web.cern.ch/cernlib/download/${version}_source/tar/${version}_src.tar.gz";
     sha256 = "0awla1rl96z82br7slcmg8ks1d2a7slk6dj79ywb871j2ksi3fky";
   };
 
diff --git a/pkgs/development/libraries/physics/fastnlo/default.nix b/pkgs/development/libraries/physics/fastnlo/default.nix
index e568e159797..e3291907d31 100644
--- a/pkgs/development/libraries/physics/fastnlo/default.nix
+++ b/pkgs/development/libraries/physics/fastnlo/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.3.1pre-2402";
 
   src = fetchurl {
-    url = "http://fastnlo.hepforge.org/code/v23/${name}.tar.gz";
+    url = "https://fastnlo.hepforge.org/code/v23/${name}.tar.gz";
     sha256 = "1h41xnqcz401x3zbs8i2dsb4xlhbv8i5ps0561p6y7gcyridgcbl";
   };
 
diff --git a/pkgs/development/libraries/physics/herwig/default.nix b/pkgs/development/libraries/physics/herwig/default.nix
index ce6ea4c56a8..9993060eb72 100644
--- a/pkgs/development/libraries/physics/herwig/default.nix
+++ b/pkgs/development/libraries/physics/herwig/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "7.1.3";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/herwig/Herwig-${version}.tar.bz2";
+    url = "https://www.hepforge.org/archive/herwig/Herwig-${version}.tar.bz2";
     sha256 = "1iq1h5ap86729c4pfkswzfh0l2v20fyvqsb15c35g0407l54wfqm";
   };
 
diff --git a/pkgs/development/libraries/physics/lhapdf/default.nix b/pkgs/development/libraries/physics/lhapdf/default.nix
index 93e0fa99c34..7f89c92772c 100644
--- a/pkgs/development/libraries/physics/lhapdf/default.nix
+++ b/pkgs/development/libraries/physics/lhapdf/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "6.2.1";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/lhapdf/LHAPDF-${version}.tar.gz";
+    url = "https://www.hepforge.org/archive/lhapdf/LHAPDF-${version}.tar.gz";
     sha256 = "0bi02xcmq5as0wf0jn6i3hx0qy0hj61m02sbrbzd1gwjhpccwmvd";
   };
 
diff --git a/pkgs/development/libraries/physics/mcgrid/default.nix b/pkgs/development/libraries/physics/mcgrid/default.nix
index aabe132e73b..32a05d10d3a 100644
--- a/pkgs/development/libraries/physics/mcgrid/default.nix
+++ b/pkgs/development/libraries/physics/mcgrid/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.0.2";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/mcgrid/${name}.tar.gz";
+    url = "https://www.hepforge.org/archive/mcgrid/${name}.tar.gz";
     sha256 = "1mw82x7zqbdchnd6shj3dirsav5i2cndp2hjwb8a8xdh4xh9zvfy";
   };
 
diff --git a/pkgs/development/libraries/physics/nlojet/default.nix b/pkgs/development/libraries/physics/nlojet/default.nix
index 88fafaf3ae6..0c9d879fbd0 100644
--- a/pkgs/development/libraries/physics/nlojet/default.nix
+++ b/pkgs/development/libraries/physics/nlojet/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "4.1.3";
 
   src = fetchurl {
-    url = "http://desy.de/~znagy/hep-programs/nlojet++/nlojet++-${version}.tar.gz";
+    url = "https://desy.de/~znagy/hep-programs/nlojet++/nlojet++-${version}.tar.gz";
     sha256 = "18qfn5kjzvnyh29x40zm2maqzfmrnay9r58n8pfpq5lcphdhhv8p";
   };
 
diff --git a/pkgs/development/libraries/physics/rivet/default.nix b/pkgs/development/libraries/physics/rivet/default.nix
index c13b659f792..8c4a9288a15 100644
--- a/pkgs/development/libraries/physics/rivet/default.nix
+++ b/pkgs/development/libraries/physics/rivet/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.6.0";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/rivet/Rivet-${version}.tar.bz2";
+    url = "https://www.hepforge.org/archive/rivet/Rivet-${version}.tar.bz2";
     sha256 = "007rwal8wx2k9gs0r6kym6ix0siz0x9l55q9myq41siirpf2jcpv";
   };
 
diff --git a/pkgs/development/libraries/physics/thepeg/default.nix b/pkgs/development/libraries/physics/thepeg/default.nix
index 0a84fe20da7..feffa5c11d5 100644
--- a/pkgs/development/libraries/physics/thepeg/default.nix
+++ b/pkgs/development/libraries/physics/thepeg/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "2.1.3";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/thepeg/ThePEG-${version}.tar.bz2";
+    url = "https://www.hepforge.org/archive/thepeg/ThePEG-${version}.tar.bz2";
     sha256 = "030wpk78mwb56iph5iqmblsxgzpydsa25bbkv07bihihfm8gds0n";
   };
 
diff --git a/pkgs/development/libraries/physics/yoda/default.nix b/pkgs/development/libraries/physics/yoda/default.nix
index 6cda6bd310b..eb34b94118a 100644
--- a/pkgs/development/libraries/physics/yoda/default.nix
+++ b/pkgs/development/libraries/physics/yoda/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.7.0";
 
   src = fetchurl {
-    url = "http://www.hepforge.org/archive/yoda/YODA-${version}.tar.bz2";
+    url = "https://www.hepforge.org/archive/yoda/YODA-${version}.tar.bz2";
     sha256 = "0fyf6ld1klzlfmr5sl1jxzck4a0h14zfkrff8397rn1fqnqbzmmk";
   };
 
diff --git a/pkgs/development/libraries/polkit/default.nix b/pkgs/development/libraries/polkit/default.nix
index 98937308191..2b5f7cacd4b 100644
--- a/pkgs/development/libraries/polkit/default.nix
+++ b/pkgs/development/libraries/polkit/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   name = "polkit-0.113";
 
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/polkit/releases/${name}.tar.gz";
+    url = "https://www.freedesktop.org/software/polkit/releases/${name}.tar.gz";
     sha256 = "109w86kfqrgz83g9ivggplmgc77rz8kx8646izvm2jb57h4rbh71";
   };
 
diff --git a/pkgs/development/libraries/postgis/default.nix b/pkgs/development/libraries/postgis/default.nix
index 9a72e03ef2c..aa9a3f9fdc0 100644
--- a/pkgs/development/libraries/postgis/default.nix
+++ b/pkgs/development/libraries/postgis/default.nix
@@ -50,7 +50,7 @@ in stdenv.mkDerivation rec {
   name = "postgis-${version}";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/postgis/source/postgis-${builtins.toString version}.tar.gz";
+    url = "https://download.osgeo.org/postgis/source/postgis-${builtins.toString version}.tar.gz";
     inherit sha256;
   };
 
diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index b92aa49a092..0ebf299a8bf 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "proj-4.9.3";
 
   src = fetchurl {
-    url = http://download.osgeo.org/proj/proj-4.9.3.tar.gz;
+    url = https://download.osgeo.org/proj/proj-4.9.3.tar.gz;
     sha256 = "1xw5f427xk9p2nbsj04j6m5zyjlyd66sbvl2bkg8hd1kx8pm9139";
   };
 
diff --git a/pkgs/development/libraries/rabbitmq-java-client/default.nix b/pkgs/development/libraries/rabbitmq-java-client/default.nix
index a1708ba59c3..96a2347c50f 100644
--- a/pkgs/development/libraries/rabbitmq-java-client/default.nix
+++ b/pkgs/development/libraries/rabbitmq-java-client/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "rabbitmq-java-client-3.3.4";
 
   src = fetchurl {
-    url = "http://www.rabbitmq.com/releases/rabbitmq-java-client/v3.3.4/rabbitmq-java-client-3.3.4.tar.gz";
+    url = "https://www.rabbitmq.com/releases/rabbitmq-java-client/v3.3.4/rabbitmq-java-client-3.3.4.tar.gz";
     sha256 = "03kspkgzzjsbq6f8yl2zj5m30qwgxv3l58hrbf6gcgxb5rpfk6sh";
   };
 
diff --git a/pkgs/development/libraries/readosm/default.nix b/pkgs/development/libraries/readosm/default.nix
index 7faee7e69a2..5a4306a63a7 100644
--- a/pkgs/development/libraries/readosm/default.nix
+++ b/pkgs/development/libraries/readosm/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "readosm-1.1.0";
 
   src = fetchurl {
-    url = "http://www.gaia-gis.it/gaia-sins/readosm-sources/${name}.tar.gz";
+    url = "https://www.gaia-gis.it/gaia-sins/readosm-sources/${name}.tar.gz";
     sha256 = "1v20pnda67imjd70fn0zw30aar525xicy3d3v49md5cvqklws265";
   };
 
diff --git a/pkgs/development/libraries/rep-gtk/default.nix b/pkgs/development/libraries/rep-gtk/default.nix
index 5629164f160..681fc3a012f 100644
--- a/pkgs/development/libraries/rep-gtk/default.nix
+++ b/pkgs/development/libraries/rep-gtk/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   sourceName = "rep-gtk_${version}";
 
   src = fetchurl {
-    url = "http://download.tuxfamily.org/librep/rep-gtk/${sourceName}.tar.xz";
+    url = "https://download.tuxfamily.org/librep/rep-gtk/${sourceName}.tar.xz";
     sha256 = "0hgkkywm8zczir3lqr727bn7ybgg71x9cwj1av8fykkr8pdpard9";
   };
 
diff --git a/pkgs/development/libraries/schroedinger/default.nix b/pkgs/development/libraries/schroedinger/default.nix
index 167fe419076..25126edbc0f 100644
--- a/pkgs/development/libraries/schroedinger/default.nix
+++ b/pkgs/development/libraries/schroedinger/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   src = fetchurl {
     urls = [
       http://diracvideo.org/download/schroedinger/schroedinger-1.0.11.tar.gz
-      http://download.videolan.org/contrib/schroedinger-1.0.11.tar.gz
+      https://download.videolan.org/contrib/schroedinger-1.0.11.tar.gz
     ];
     sha256 = "04prr667l4sn4zx256v1z36a0nnkxfdqyln48rbwlamr6l3jlmqy";
   };
diff --git a/pkgs/development/libraries/science/math/ipopt/default.nix b/pkgs/development/libraries/science/math/ipopt/default.nix
index 0af00f75d99..4a6aabb447f 100644
--- a/pkgs/development/libraries/science/math/ipopt/default.nix
+++ b/pkgs/development/libraries/science/math/ipopt/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "3.12.10";
 
   src = fetchurl {
-    url = "http://www.coin-or.org/download/source/Ipopt/Ipopt-${version}.zip";
+    url = "https://www.coin-or.org/download/source/Ipopt/Ipopt-${version}.zip";
     sha256 = "004pd90knnnzcx727knb7ffkabb1ggbskb8s607bfvfgdd7wlli9";
   };
 
diff --git a/pkgs/development/libraries/science/math/magma/default.nix b/pkgs/development/libraries/science/math/magma/default.nix
index 26ec501f1a7..8444d88809a 100644
--- a/pkgs/development/libraries/science/math/magma/default.nix
+++ b/pkgs/development/libraries/science/math/magma/default.nix
@@ -7,7 +7,7 @@ let version = "2.0.2";
 in stdenv.mkDerivation {
   name = "magma-${version}";
   src = fetchurl {
-    url = "http://icl.cs.utk.edu/projectsfiles/magma/downloads/magma-${version}.tar.gz";
+    url = "https://icl.cs.utk.edu/projectsfiles/magma/downloads/magma-${version}.tar.gz";
     sha256 = "0w3z6k1npfh0d3r8kpw873f1m7lny29sz2bvvfxzk596d4h083lk";
     name = "magma-${version}.tar.gz";
   };
diff --git a/pkgs/development/libraries/serd/default.nix b/pkgs/development/libraries/serd/default.nix
index 96449a8ed96..ac9183cffe9 100644
--- a/pkgs/development/libraries/serd/default.nix
+++ b/pkgs/development/libraries/serd/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.28.0";
 
   src = fetchurl {
-    url = "http://download.drobilla.net/${name}.tar.bz2";
+    url = "https://download.drobilla.net/${name}.tar.bz2";
     sha256 = "1v4ai4zyj1q3255nghicns9817jkwb3bh60ssprsjmnjfj41mwhx";
   };
 
diff --git a/pkgs/development/libraries/shapelib/default.nix b/pkgs/development/libraries/shapelib/default.nix
index 3234d1bb89b..09d3efa64b2 100644
--- a/pkgs/development/libraries/shapelib/default.nix
+++ b/pkgs/development/libraries/shapelib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "shapelib-1.4.1";
 
   src = fetchurl {
-    url = "http://download.osgeo.org/shapelib/${name}.tar.gz";
+    url = "https://download.osgeo.org/shapelib/${name}.tar.gz";
     sha256 = "1cr3b5jfglwisbyzj7fnxp9xysqad0fcmcqvqaja6qap6qblijd4";
   };
 
diff --git a/pkgs/development/libraries/slang/default.nix b/pkgs/development/libraries/slang/default.nix
index bcce457e78e..ec59ae0e819 100644
--- a/pkgs/development/libraries/slang/default.nix
+++ b/pkgs/development/libraries/slang/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   name = "slang-2.3.2";
   src = fetchurl {
-    url = "http://www.jedsoft.org/releases/slang/${name}.tar.bz2";
+    url = "https://www.jedsoft.org/releases/slang/${name}.tar.bz2";
     sha256 = "06p379fqn6w38rdpqi98irxi2bf4llb0rja3dlgkqz7nqh7kp7pw";
   };
 
diff --git a/pkgs/development/libraries/slib/default.nix b/pkgs/development/libraries/slib/default.nix
index 233ba91d299..665f025ffcf 100644
--- a/pkgs/development/libraries/slib/default.nix
+++ b/pkgs/development/libraries/slib/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "slib-3b5";
 
   src = fetchurl {
-    url = "http://groups.csail.mit.edu/mac/ftpdir/scm/${name}.zip";
+    url = "https://groups.csail.mit.edu/mac/ftpdir/scm/${name}.zip";
     sha256 = "0q0p2d53p8qw2592yknzgy2y1p5a9k7ppjx0cfrbvk6242c4mdpq";
   };
 
diff --git a/pkgs/development/libraries/snack/default.nix b/pkgs/development/libraries/snack/default.nix
index 17195febe13..1b5564dc159 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 = http://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";
   };
 
diff --git a/pkgs/development/libraries/sord/default.nix b/pkgs/development/libraries/sord/default.nix
index 995ac631580..207c6f2d30a 100644
--- a/pkgs/development/libraries/sord/default.nix
+++ b/pkgs/development/libraries/sord/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.16.0";
 
   src = fetchurl {
-    url = "http://download.drobilla.net/${name}.tar.bz2";
+    url = "https://download.drobilla.net/${name}.tar.bz2";
     sha256 = "0nh3i867g9z4kdlnk82cg2kcw8r02qgifxvkycvzb4vfjv4v4g4x";
   };
 
diff --git a/pkgs/development/libraries/soundtouch/default.nix b/pkgs/development/libraries/soundtouch/default.nix
index c338d6762a4..95a97f30b6e 100644
--- a/pkgs/development/libraries/soundtouch/default.nix
+++ b/pkgs/development/libraries/soundtouch/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   pName = "soundtouch";
   name = "${pName}-2.0.0";
   src = fetchurl {
-    url = "http://www.surina.net/soundtouch/${name}.tar.gz";
+    url = "https://www.surina.net/soundtouch/${name}.tar.gz";
     sha256 = "09cxr02mfyj2bg731bj0i9hh565x8l9p91aclxs8wpqv8b8zf96j";
   };
 
diff --git a/pkgs/development/libraries/spandsp/default.nix b/pkgs/development/libraries/spandsp/default.nix
index ea3013c78bc..be2fc503e39 100644
--- a/pkgs/development/libraries/spandsp/default.nix
+++ b/pkgs/development/libraries/spandsp/default.nix
@@ -3,7 +3,7 @@ stdenv.mkDerivation rec {
   version = "0.0.6";
   name = "spandsp-${version}";
   src=fetchurl {
-    url = "http://www.soft-switch.org/downloads/spandsp/spandsp-${version}.tar.gz";
+    url = "https://www.soft-switch.org/downloads/spandsp/spandsp-${version}.tar.gz";
     sha256 = "0rclrkyspzk575v8fslzjpgp4y2s4x7xk3r55ycvpi4agv33l1fc";
   };
   buildInputs = [];
diff --git a/pkgs/development/libraries/spatialite-tools/default.nix b/pkgs/development/libraries/spatialite-tools/default.nix
index ff461f1b8e6..9070423d8c7 100644
--- a/pkgs/development/libraries/spatialite-tools/default.nix
+++ b/pkgs/development/libraries/spatialite-tools/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "spatialite-tools-4.1.1";
 
   src = fetchurl {
-    url = "http://www.gaia-gis.it/gaia-sins/spatialite-tools-sources/${name}.tar.gz";
+    url = "https://www.gaia-gis.it/gaia-sins/spatialite-tools-sources/${name}.tar.gz";
     sha256 = "14aqmhvab63ydbb82fglsbig7jw1wmci8jjvci07aavdhvh1pyrv";
   };
 
diff --git a/pkgs/development/libraries/spice-gtk/default.nix b/pkgs/development/libraries/spice-gtk/default.nix
index 21359c4f0d0..aeab43c889d 100644
--- a/pkgs/development/libraries/spice-gtk/default.nix
+++ b/pkgs/development/libraries/spice-gtk/default.nix
@@ -35,7 +35,7 @@ in stdenv.mkDerivation rec {
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
-    url = "http://www.spice-space.org/download/gtk/${name}.tar.bz2";
+    url = "https://www.spice-space.org/download/gtk/${name}.tar.bz2";
     sha256 = "1vknp72pl6v6nf3dphhwp29hk6gv787db2pmyg4m312z2q0hwwp9";
   };
 
diff --git a/pkgs/development/libraries/spice-protocol/default.nix b/pkgs/development/libraries/spice-protocol/default.nix
index 19b68a0c43d..fc337f22b56 100644
--- a/pkgs/development/libraries/spice-protocol/default.nix
+++ b/pkgs/development/libraries/spice-protocol/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "spice-protocol-0.12.14";
 
   src = fetchurl {
-    url = "http://www.spice-space.org/download/releases/${name}.tar.bz2";
+    url = "https://www.spice-space.org/download/releases/${name}.tar.bz2";
     sha256 = "170ckpgazvqv7hxy209myg67pqnd6c0gvr4ysbqgsfch6320nd90";
   };
 
diff --git a/pkgs/development/libraries/spice/default.nix b/pkgs/development/libraries/spice/default.nix
index ee54ad55553..0b815f9095f 100644
--- a/pkgs/development/libraries/spice/default.nix
+++ b/pkgs/development/libraries/spice/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   name = "spice-0.14.0";
 
   src = fetchurl {
-    url = "http://www.spice-space.org/download/releases/${name}.tar.bz2";
+    url = "https://www.spice-space.org/download/releases/${name}.tar.bz2";
     sha256 = "0j5q7cp5p95jk8fp48gz76rz96lifimdsx1wnpmfal0nnnar9nrs";
   };
 
diff --git a/pkgs/development/libraries/startup-notification/default.nix b/pkgs/development/libraries/startup-notification/default.nix
index ce4fca6da70..fc771a493b6 100644
--- a/pkgs/development/libraries/startup-notification/default.nix
+++ b/pkgs/development/libraries/startup-notification/default.nix
@@ -6,7 +6,7 @@ in
 stdenv.mkDerivation {
   name = "libstartup-notification-${version}";
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/startup-notification/releases/startup-notification-${version}.tar.gz";
+    url = "https://www.freedesktop.org/software/startup-notification/releases/startup-notification-${version}.tar.gz";
     sha256 = "3c391f7e930c583095045cd2d10eb73a64f085c7fde9d260f2652c7cb3cfbe4a";
   };
 
diff --git a/pkgs/development/libraries/strigi/default.nix b/pkgs/development/libraries/strigi/default.nix
index 362881a2f42..63060bf5553 100644
--- a/pkgs/development/libraries/strigi/default.nix
+++ b/pkgs/development/libraries/strigi/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   version = "0.7.8";
 
   src = fetchurl {
-    url = "http://www.vandenoever.info/software/strigi/${name}.tar.bz2";
+    url = "https://www.vandenoever.info/software/strigi/${name}.tar.bz2";
     sha256 = "12grxzqwnvbyqw7q1gnz42lypadxmq89vk2qpxczmpmc4nk63r23";
   };
 
diff --git a/pkgs/development/libraries/swiften/default.nix b/pkgs/development/libraries/swiften/default.nix
index 810420fe6b7..1759258e666 100644
--- a/pkgs/development/libraries/swiften/default.nix
+++ b/pkgs/development/libraries/swiften/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   propagatedBuildInputs = [ openssl boost ];
 
   src = fetchurl {
-    url    = "http://swift.im/downloads/releases/swift-${version}/swift-${version}.tar.gz";
+    url    = "https://swift.im/downloads/releases/swift-${version}/swift-${version}.tar.gz";
     sha256 = "0w0aiszjd58ynxpacwcgf052zpmbpcym4dhci64vbfgch6wryz0w";
   };
   
diff --git a/pkgs/development/libraries/sword/default.nix b/pkgs/development/libraries/sword/default.nix
index 13497f7727f..0c3bb3b1306 100644
--- a/pkgs/development/libraries/sword/default.nix
+++ b/pkgs/development/libraries/sword/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
   version = "1.7.4";
 
   src = fetchurl {
-    url = "http://www.crosswire.org/ftpmirror/pub/sword/source/v1.7/${name}.tar.gz";
+    url = "https://www.crosswire.org/ftpmirror/pub/sword/source/v1.7/${name}.tar.gz";
     sha256 = "0g91kpfkwccvdikddffdbzd6glnp1gdvkx4vh04iyz10bb7shpcr";
   };
 
diff --git a/pkgs/development/libraries/telepathy/farstream/default.nix b/pkgs/development/libraries/telepathy/farstream/default.nix
index 41308a7ef4e..fae51aea477 100644
--- a/pkgs/development/libraries/telepathy/farstream/default.nix
+++ b/pkgs/development/libraries/telepathy/farstream/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   pname = "telepathy-farstream";
 
   src = fetchurl {
-    url = "http://telepathy.freedesktop.org/releases/${pname}/${name}.tar.gz";
+    url = "https://telepathy.freedesktop.org/releases/${pname}/${name}.tar.gz";
     sha256 = "02ky12bb92prr5f6xmvmfq4yz2lj33li6nj4829a98hk5pr9k83g";
   };
 
diff --git a/pkgs/development/libraries/telepathy/qt/default.nix b/pkgs/development/libraries/telepathy/qt/default.nix
index 90dd47c11e2..24dc3667d17 100644
--- a/pkgs/development/libraries/telepathy/qt/default.nix
+++ b/pkgs/development/libraries/telepathy/qt/default.nix
@@ -7,7 +7,7 @@ in stdenv.mkDerivation rec {
   name = "telepathy-qt-0.9.7";
 
   src = fetchurl {
-    url = "http://telepathy.freedesktop.org/releases/telepathy-qt/${name}.tar.gz";
+    url = "https://telepathy.freedesktop.org/releases/telepathy-qt/${name}.tar.gz";
     sha256 = "0krxd4hhfx6r0ja19wh3848j7gn1rv8jrnakgmkbmi7bww5x7fi1";
   };
 
diff --git a/pkgs/development/libraries/thrift/default.nix b/pkgs/development/libraries/thrift/default.nix
index 45e5174ed57..cb200b82e20 100644
--- a/pkgs/development/libraries/thrift/default.nix
+++ b/pkgs/development/libraries/thrift/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   version = "0.11.0";
 
   src = fetchurl {
-    url = "http://archive.apache.org/dist/thrift/${version}/${name}.tar.gz";
+    url = "https://archive.apache.org/dist/thrift/${version}/${name}.tar.gz";
     sha256 = "1hk0zb9289gf920rdl0clmwqx6kvygz92nj01lqrhd2arfv3ibf4";
   };
 
diff --git a/pkgs/development/libraries/tre/default.nix b/pkgs/development/libraries/tre/default.nix
index 25d7849b1b4..12f7e4c765d 100644
--- a/pkgs/development/libraries/tre/default.nix
+++ b/pkgs/development/libraries/tre/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   name = "tre-0.8.0";
   src = fetchurl {
-    url = "http://laurikari.net/tre/${name}.tar.gz";
+    url = "https://laurikari.net/tre/${name}.tar.gz";
     sha256 = "1pd7qsa7vc3ybdc6h2gr4pm9inypjysf92kab945gg4qa6jp11my";
   };
 
diff --git a/pkgs/development/libraries/ucl/default.nix b/pkgs/development/libraries/ucl/default.nix
index aa983b1394b..933a3afef35 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 = http://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";
   };
 
diff --git a/pkgs/development/libraries/unicap/default.nix b/pkgs/development/libraries/unicap/default.nix
index 604a1b7012a..1aa5e671702 100644
--- a/pkgs/development/libraries/unicap/default.nix
+++ b/pkgs/development/libraries/unicap/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version="0.9.12";
 
   src = fetchurl {
-    url = "http://www.unicap-imaging.org/downloads/${name}.tar.gz";
+    url = "https://www.unicap-imaging.org/downloads/${name}.tar.gz";
     sha256 = "05zcnnm4dfc6idihfi0fq5xka6x86zi89wip2ca19yz768sd33s9";
   };
 
diff --git a/pkgs/development/libraries/usbredir/default.nix b/pkgs/development/libraries/usbredir/default.nix
index 515c3b2ca3b..25ddfb35524 100644
--- a/pkgs/development/libraries/usbredir/default.nix
+++ b/pkgs/development/libraries/usbredir/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.7.1";
 
   src = fetchurl {
-    url = "http://spice-space.org/download/usbredir/${name}.tar.bz2";
+    url = "https://spice-space.org/download/usbredir/${name}.tar.bz2";
     sha256 = "1wsnmk4wjpdhbn1zaxg6bmyxspcki2zgy0am9lk037rnl4krwzj0";
   };
 
diff --git a/pkgs/development/libraries/vaapi-vdpau/default.nix b/pkgs/development/libraries/vaapi-vdpau/default.nix
index 013af68cb6c..07ca9d2e62e 100644
--- a/pkgs/development/libraries/vaapi-vdpau/default.nix
+++ b/pkgs/development/libraries/vaapi-vdpau/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   name = "libva-vdpau-driver-0.7.4";
   
   src = fetchurl {
-    url = "http://www.freedesktop.org/software/vaapi/releases/libva-vdpau-driver/${name}.tar.bz2";
+    url = "https://www.freedesktop.org/software/vaapi/releases/libva-vdpau-driver/${name}.tar.bz2";
     sha256 = "1fcvgshzyc50yb8qqm6v6wn23ghimay23ci0p8sm8gxcy211jp0m";
   };
 
diff --git a/pkgs/development/libraries/vsqlite/default.nix b/pkgs/development/libraries/vsqlite/default.nix
index bfb07c2df33..e706c730ddd 100644
--- a/pkgs/development/libraries/vsqlite/default.nix
+++ b/pkgs/development/libraries/vsqlite/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "0.3.13";
 
   src = fetchurl {
-    url = "http://evilissimo.fedorapeople.org/releases/vsqlite--/0.3.13/vsqlite++-${version}.tar.gz";
+    url = "https://evilissimo.fedorapeople.org/releases/vsqlite--/0.3.13/vsqlite++-${version}.tar.gz";
     sha256 = "17fkj0d2jh0xkjpcayhs1xvbnh1d69f026i7vs1zqnbiwbkpz237";
   };
 
diff --git a/pkgs/development/libraries/wayland/1.9.nix b/pkgs/development/libraries/wayland/1.9.nix
index efb365958eb..d832becbed8 100644
--- a/pkgs/development/libraries/wayland/1.9.nix
+++ b/pkgs/development/libraries/wayland/1.9.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   version = "1.9.0";
 
   src = fetchurl {
-    url = "http://wayland.freedesktop.org/releases/${name}.tar.xz";
+    url = "https://wayland.freedesktop.org/releases/${name}.tar.xz";
     sha256 = "1yhy62vkbq8j8c9zaa6yzvn75cd99kfa8n2zfdwl80x019r711ww";
   };
 
diff --git a/pkgs/development/libraries/wayland/protocols.nix b/pkgs/development/libraries/wayland/protocols.nix
index 4bb7cd153cf..33bce4d6216 100644
--- a/pkgs/development/libraries/wayland/protocols.nix
+++ b/pkgs/development/libraries/wayland/protocols.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
   version = "1.14";
 
   src = fetchurl {
-    url = "http://wayland.freedesktop.org/releases/${name}.tar.xz";
+    url = "https://wayland.freedesktop.org/releases/${name}.tar.xz";
     sha256 = "1xknjcfhqvdi1s4iq4kk1q61fg2rar3g8q4vlqarpd324imqjj4n";
   };
 
diff --git a/pkgs/development/libraries/webkitgtk/2.20.nix b/pkgs/development/libraries/webkitgtk/2.20.nix
index d3fffa2dd32..e234e3e66ad 100644
--- a/pkgs/development/libraries/webkitgtk/2.20.nix
+++ b/pkgs/development/libraries/webkitgtk/2.20.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   };
 
   src = fetchurl {
-    url = "http://webkitgtk.org/releases/${name}.tar.xz";
+    url = "https://webkitgtk.org/releases/${name}.tar.xz";
     sha256 = "1n0dy94bm7wvxln4jis1gp8plv8n4a01g41724zsf5psg1yk16sp";
   };
 
diff --git a/pkgs/development/libraries/webkitgtk/2.4.nix b/pkgs/development/libraries/webkitgtk/2.4.nix
index 39a76a74711..1a17ae53313 100644
--- a/pkgs/development/libraries/webkitgtk/2.4.nix
+++ b/pkgs/development/libraries/webkitgtk/2.4.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   };
 
   src = fetchurl {
-    url = "http://webkitgtk.org/releases/${name}.tar.xz";
+    url = "https://webkitgtk.org/releases/${name}.tar.xz";
     sha256 = "1xsvnvyvlywwyf6m9ainpsg87jkxjmd37q6zgz9cxb7v3c2ym2jq";
   };
 
diff --git a/pkgs/development/libraries/webrtc-audio-processing/default.nix b/pkgs/development/libraries/webrtc-audio-processing/default.nix
index 529091518eb..056ab8c5138 100644
--- a/pkgs/development/libraries/webrtc-audio-processing/default.nix
+++ b/pkgs/development/libraries/webrtc-audio-processing/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "webrtc-audio-processing-0.3";
 
   src = fetchurl {
-    url = "http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/${name}.tar.xz";
+    url = "https://freedesktop.org/software/pulseaudio/webrtc-audio-processing/${name}.tar.xz";
     sha256 = "1yl0187xjh1j2zkb7v9cs9i868zcaj23pzn4a36qhzam9wfjjvkm";
   };
 
diff --git a/pkgs/development/libraries/x264/default.nix b/pkgs/development/libraries/x264/default.nix
index 06ed123c735..276f509772c 100644
--- a/pkgs/development/libraries/x264/default.nix
+++ b/pkgs/development/libraries/x264/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "x264-${version}";
 
   src = fetchurl {
-    url = "http://download.videolan.org/x264/snapshots/x264-snapshot-${version}-stable.tar.bz2";
+    url = "https://download.videolan.org/x264/snapshots/x264-snapshot-${version}-stable.tar.bz2";
     sha256 = "01sgk1ps4qfifdnblwa3fxnd8ah6n6zbmfc1sy09cgqcdgzxgj0z";
   };
 
diff --git a/pkgs/development/libraries/xapian/default.nix b/pkgs/development/libraries/xapian/default.nix
index 482c765dcda..5dd81af2b1a 100644
--- a/pkgs/development/libraries/xapian/default.nix
+++ b/pkgs/development/libraries/xapian/default.nix
@@ -7,7 +7,7 @@ let
     passthru = { inherit version; };
 
     src = fetchurl {
-      url = "http://oligarchy.co.uk/xapian/${version}/xapian-core-${version}.tar.xz";
+      url = "https://oligarchy.co.uk/xapian/${version}/xapian-core-${version}.tar.xz";
       inherit sha256;
     };
 
diff --git a/pkgs/development/libraries/xapian/tools/omega/default.nix b/pkgs/development/libraries/xapian/tools/omega/default.nix
index 17855011297..1203f19d6c8 100644
--- a/pkgs/development/libraries/xapian/tools/omega/default.nix
+++ b/pkgs/development/libraries/xapian/tools/omega/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   inherit (xapian) version;
 
   src = fetchurl {
-    url = "http://oligarchy.co.uk/xapian/${version}/xapian-omega-${version}.tar.xz";
+    url = "https://oligarchy.co.uk/xapian/${version}/xapian-omega-${version}.tar.xz";
     sha256 = "0zji8ckp4h5xdy2wbir3lvk680w1g1l4h5swmaxsx7ah12lkrjcr";
   };
 
diff --git a/pkgs/development/libraries/xml-security-c/default.nix b/pkgs/development/libraries/xml-security-c/default.nix
index bbbf9af29e5..fec4bbe8efe 100644
--- a/pkgs/development/libraries/xml-security-c/default.nix
+++ b/pkgs/development/libraries/xml-security-c/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.7.3";
 
   src = fetchurl {
-    url = "http://www.apache.org/dist/santuario/c-library/${name}.tar.gz";
+    url = "https://www.apache.org/dist/santuario/c-library/${name}.tar.gz";
     sha256 = "e5226e7319d44f6fd9147a13fb853f5c711b9e75bf60ec273a0ef8a190592583";
   };
 
diff --git a/pkgs/development/libraries/xmlsec/default.nix b/pkgs/development/libraries/xmlsec/default.nix
index e17ac6d1507..94f1d187267 100644
--- a/pkgs/development/libraries/xmlsec/default.nix
+++ b/pkgs/development/libraries/xmlsec/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   name = "xmlsec-${version}";
 
   src = fetchurl {
-    url = "http://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz";
+    url = "https://www.aleksey.com/xmlsec/download/xmlsec1-${version}.tar.gz";
     sha256 = "0l1dk344rn3j2vnj13daz72xd8j1msvzhg82n2il5ji0qz4pd0ld";
   };
 
diff --git a/pkgs/development/libraries/xsd/default.nix b/pkgs/development/libraries/xsd/default.nix
index bef2e46e073..051a194af98 100644
--- a/pkgs/development/libraries/xsd/default.nix
+++ b/pkgs/development/libraries/xsd/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
   version = "4.0.0";
 
   src = fetchurl {
-    url = "http://codesynthesis.com/download/xsd/4.0/xsd-4.0.0+dep.tar.bz2";
+    url = "https://codesynthesis.com/download/xsd/4.0/xsd-4.0.0+dep.tar.bz2";
     sha256 = "05wqhmd5cd4pdky8i8qysnh96d2h16ly8r73whmbxkajiyf2m9gc";
   };
 
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index de2e0b62f9e..b8537896d79 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     urls =
-      [ "http://www.zlib.net/fossils/${name}.tar.gz"  # stable archive path
+      [ "https://www.zlib.net/fossils/${name}.tar.gz"  # stable archive path
         "mirror://sourceforge/libpng/zlib/${version}/${name}.tar.gz"
       ];
     sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1";