Turn some license strings into lib.licenses values

41 files changed, 41 insertions, 43 deletions

diff --git a/pkgs/applications/misc/abook/default.nix b/pkgs/applications/misc/abook/default.nix
index 3d187d92f5c..77e48e49dd8 100644
--- a/pkgs/applications/misc/abook/default.nix
+++ b/pkgs/applications/misc/abook/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://abook.sourceforge.net/";
     description = "Text-based addressbook program designed to use with mutt mail client";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.edwtjo ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/adobe-reader/default.nix b/pkgs/applications/misc/adobe-reader/default.nix
index a186f5f5ee0..85bc89f7755 100644
--- a/pkgs/applications/misc/adobe-reader/default.nix
+++ b/pkgs/applications/misc/adobe-reader/default.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Adobe Reader, a viewer for PDF documents";
     homepage = http://www.adobe.com/products/reader;
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/applications/misc/audio/soxr/default.nix b/pkgs/applications/misc/audio/soxr/default.nix
index a8dd26ab609..73cdbb37616 100644
--- a/pkgs/applications/misc/audio/soxr/default.nix
+++ b/pkgs/applications/misc/audio/soxr/default.nix
@@ -15,6 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "An audio resampling library";
     homepage = http://soxr.sourceforge.net;
-    license = "LGPLv2.1+";
+    license = stdenv.lib.licenses.lgpl21Plus;
   };
 }
diff --git a/pkgs/applications/misc/bibletime/default.nix b/pkgs/applications/misc/bibletime/default.nix
index cdaeb49f14c..1976ea5ce13 100644
--- a/pkgs/applications/misc/bibletime/default.nix
+++ b/pkgs/applications/misc/bibletime/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     description = "A Qt4 Bible study tool";
     homepage = http://www.bibletime.info/;
     platforms = stdenv.lib.platforms.linux;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.piotr ];
   };
 }
diff --git a/pkgs/applications/misc/bitcoin/default.nix b/pkgs/applications/misc/bitcoin/default.nix
index 118b56c55b0..1a25a233c0d 100644
--- a/pkgs/applications/misc/bitcoin/default.nix
+++ b/pkgs/applications/misc/bitcoin/default.nix
@@ -44,6 +44,6 @@ stdenv.mkDerivation rec {
       '';
       homepage = "http://www.bitcoin.org/";
       maintainers = [ stdenv.lib.maintainers.roconnor ];
-      license = "MIT";
+      license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/applications/misc/d4x/default.nix b/pkgs/applications/misc/d4x/default.nix
index 4eb4c441c99..ce53045a15a 100644
--- a/pkgs/applications/misc/d4x/default.nix
+++ b/pkgs/applications/misc/d4x/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
   meta = { 
     description = "Graphical download manager";
     homepage = http://www.krasu.ru/soft/chuchelo/;
-    license = "Artistic";
+    license = stdenv.lib.licenses.perl5;
   };
 }
diff --git a/pkgs/applications/misc/dmenu/default.nix b/pkgs/applications/misc/dmenu/default.nix
index 3fecddcb316..1ba3ee5268f 100644
--- a/pkgs/applications/misc/dmenu/default.nix
+++ b/pkgs/applications/misc/dmenu/default.nix
@@ -28,9 +28,8 @@ stdenv.mkDerivation rec {
   meta = { 
       description = "a generic, highly customizable, and efficient menu for the X Window System";
       homepage = http://tools.suckless.org/dmenu;
-      license = "MIT";
+      license = stdenv.lib.licenses.mit;
       maintainers = with stdenv.lib.maintainers; [viric];
       platforms = with stdenv.lib.platforms; all;
   };
 }
-
diff --git a/pkgs/applications/misc/epdfview/default.nix b/pkgs/applications/misc/epdfview/default.nix
index 6941e8df626..d79162289c3 100644
--- a/pkgs/applications/misc/epdfview/default.nix
+++ b/pkgs/applications/misc/epdfview/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
         GTK+ libraries. The aim of ePDFView is to make a simple PDF document
         viewer, in the lines of Evince but without using the Gnome libraries. 
     '';
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ astsmtl ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/evopedia/default.nix b/pkgs/applications/misc/evopedia/default.nix
index b070b629282..5ad82c9239c 100644
--- a/pkgs/applications/misc/evopedia/default.nix
+++ b/pkgs/applications/misc/evopedia/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Offline Wikipedia Viewer";
     homepage = http://www.evopedia.info;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/evtest/default.nix b/pkgs/applications/misc/evtest/default.nix
index f2dadd2e5e8..638f254364e 100644
--- a/pkgs/applications/misc/evtest/default.nix
+++ b/pkgs/applications/misc/evtest/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Simple tool for input event debugging";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     platforms = platforms.linux;
     maintainers = [ maintainers.bjornfor ];
   };
diff --git a/pkgs/applications/misc/freicoin/default.nix b/pkgs/applications/misc/freicoin/default.nix
index 33d8585bb2d..65265fc07a5 100644
--- a/pkgs/applications/misc/freicoin/default.nix
+++ b/pkgs/applications/misc/freicoin/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Peer-to-peer currency with demurrage fee";
     homepage = "http://freicoi.in/";
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/gkrellm/default.nix b/pkgs/applications/misc/gkrellm/default.nix
index 3b8f8b1cc68..81f74847c2f 100644
--- a/pkgs/applications/misc/gkrellm/default.nix
+++ b/pkgs/applications/misc/gkrellm/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       '';
 
     homepage = http://members.dslextreme.com/users/billw/gkrellm/gkrellm.html;
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/applications/misc/googleearth/default.nix b/pkgs/applications/misc/googleearth/default.nix
index 08b868bca92..ea577beb592 100644
--- a/pkgs/applications/misc/googleearth/default.nix
+++ b/pkgs/applications/misc/googleearth/default.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A world sphere viewer";
     homepage = http://earth.google.com;
-    license = "unfree";
+    license = stdenv.lib.licenses.unfree;
     maintainers = [ stdenv.lib.maintainers.viric ];
   };
 }
diff --git a/pkgs/applications/misc/gpsbabel/default.nix b/pkgs/applications/misc/gpsbabel/default.nix
index 29d5b1ee7cc..bf44f91056d 100644
--- a/pkgs/applications/misc/gpsbabel/default.nix
+++ b/pkgs/applications/misc/gpsbabel/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
 
     homepage = http://www.gpsbabel.org/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
     platforms = stdenv.lib.platforms.gnu;         # arbitrary choice
diff --git a/pkgs/applications/misc/gpscorrelate/default.nix b/pkgs/applications/misc/gpscorrelate/default.nix
index 141476a6b40..9a59329871e 100644
--- a/pkgs/applications/misc/gpscorrelate/default.nix
+++ b/pkgs/applications/misc/gpscorrelate/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
       one takes the GPS data in a different format.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     homepage = http://freefoote.dview.net/linux_gpscorr.html;
   };
diff --git a/pkgs/applications/misc/grip/default.nix b/pkgs/applications/misc/grip/default.nix
index 0c2b957bc7c..39621536e68 100644
--- a/pkgs/applications/misc/grip/default.nix
+++ b/pkgs/applications/misc/grip/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "GTK+-based audio CD player/ripper";
     homepage = "http://nostatic.org/grip";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
 
     maintainers = [ stdenv.lib.maintainers.marcweber stdenv.lib.maintainers.simons ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/misc/gv/default.nix b/pkgs/applications/misc/gv/default.nix
index efd9cf263e7..4867bef1f71 100644
--- a/pkgs/applications/misc/gv/default.nix
+++ b/pkgs/applications/misc/gv/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation {
       interface for the Ghostscript interpreter.
     '';
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = [ ];
     platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
   };
diff --git a/pkgs/applications/misc/htmldoc/default.nix b/pkgs/applications/misc/htmldoc/default.nix
index befa8d25210..e8274418ae1 100644
--- a/pkgs/applications/misc/htmldoc/default.nix
+++ b/pkgs/applications/misc/htmldoc/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.htmldoc.org/;
     description = "Converts HTML files to indexed HTML, PS or PDF";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ viric ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/ikiwiki/default.nix b/pkgs/applications/misc/ikiwiki/default.nix
index b347f971ee0..fab492d5c09 100644
--- a/pkgs/applications/misc/ikiwiki/default.nix
+++ b/pkgs/applications/misc/ikiwiki/default.nix
@@ -83,7 +83,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Wiki compiler, storing pages and history in a RCS";
     homepage = "http://ikiwiki.info/";
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.simons ];
diff --git a/pkgs/applications/misc/jigdo/default.nix b/pkgs/applications/misc/jigdo/default.nix
index fe4c0287fdd..d722367d1b4 100644
--- a/pkgs/applications/misc/jigdo/default.nix
+++ b/pkgs/applications/misc/jigdo/default.nix
@@ -21,6 +21,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Download utility that can fetch files from several sources simultaneously";
     homepage = http://atterer.net/jigdo/;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
   };
 }
diff --git a/pkgs/applications/misc/librecad/2.0.nix b/pkgs/applications/misc/librecad/2.0.nix
index 2f140db9397..59d25a98040 100644
--- a/pkgs/applications/misc/librecad/2.0.nix
+++ b/pkgs/applications/misc/librecad/2.0.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation {
     description = "A 2D CAD package based upon Qt";
     homepage = http://librecad.org;
     repositories.git = git://github.com/LibreCAD/LibreCAD.git;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/librecad/default.nix b/pkgs/applications/misc/librecad/default.nix
index b225519f486..be3fa4128b6 100644
--- a/pkgs/applications/misc/librecad/default.nix
+++ b/pkgs/applications/misc/librecad/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A 2D CAD package based upon Qt";
     homepage = http://librecad.org;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/lyx/default.nix b/pkgs/applications/misc/lyx/default.nix
index 1ea4f06c927..36b2f84aab5 100644
--- a/pkgs/applications/misc/lyx/default.nix
+++ b/pkgs/applications/misc/lyx/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "WYSIWYM frontend for LaTeX, DocBook";
     homepage = "http://www.lyx.org";
-    license = "GPL2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.vcunat ];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/applications/misc/merkaartor/default.nix b/pkgs/applications/misc/merkaartor/default.nix
index e6636415b5e..932e5bb4830 100644
--- a/pkgs/applications/misc/merkaartor/default.nix
+++ b/pkgs/applications/misc/merkaartor/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "An openstreetmap editor";
     homepage = http://merkaartor.org/;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric urkud];
     inherit (qt4.meta) platforms;
   };
diff --git a/pkgs/applications/misc/mupdf/default.nix b/pkgs/applications/misc/mupdf/default.nix
index a56460827f5..aa7c14634d1 100644
--- a/pkgs/applications/misc/mupdf/default.nix
+++ b/pkgs/applications/misc/mupdf/default.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
     homepage = http://mupdf.com/;
     repositories.git = git://git.ghostscript.com/mupdf.git;
     description = "Lightweight PDF viewer and toolkit written in portable C";
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [ viric ];
     platforms = with stdenv.lib.platforms; linux;
     inherit version;
diff --git a/pkgs/applications/misc/navipowm/default.nix b/pkgs/applications/misc/navipowm/default.nix
index a526774d48e..6d990831a36 100644
--- a/pkgs/applications/misc/navipowm/default.nix
+++ b/pkgs/applications/misc/navipowm/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://navipowm.sourceforge.net/;
     description = "Car navigation system";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ viric ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/navit/default.nix b/pkgs/applications/misc/navit/default.nix
index ef1e777f55f..1be39c66642 100644
--- a/pkgs/applications/misc/navit/default.nix
+++ b/pkgs/applications/misc/navit/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.navit-project.org/;
     description = "Car navigation system with routing engine using OSM maps";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ viric ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/openjump/default.nix b/pkgs/applications/misc/openjump/default.nix
index 74f657ee02a..8a68bd7ccfb 100644
--- a/pkgs/applications/misc/openjump/default.nix
+++ b/pkgs/applications/misc/openjump/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
   meta = {
     description = "open source Geographic Information System (GIS) written in the Java programming language";
     homepage = http://www.openjump.org/index.html;
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [stdenv.lib.maintainers.marcweber];
     platforms = stdenv.lib.platforms.linux;
   };
diff --git a/pkgs/applications/misc/qgis/default.nix b/pkgs/applications/misc/qgis/default.nix
index d6711c82968..cc26a74802b 100644
--- a/pkgs/applications/misc/qgis/default.nix
+++ b/pkgs/applications/misc/qgis/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "User friendly Open Source Geographic Information System";
     homepage = http://www.qgis.org;
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     platforms = with stdenv.lib.platforms; linux;
     maintainers = with stdenv.lib.maintainers; [viric];
   };
diff --git a/pkgs/applications/misc/redshift/default.nix b/pkgs/applications/misc/redshift/default.nix
index 88d6e7a7cf9..abf55aa22b9 100644
--- a/pkgs/applications/misc/redshift/default.nix
+++ b/pkgs/applications/misc/redshift/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
       temperature transitions smoothly from night to daytime
       temperature to allow your eyes to slowly adapt.
       '';
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
     homepage = "http://jonls.dk/redshift";
     platforms = platforms.linux;
     maintainers = maintainers.mornfall;
diff --git a/pkgs/applications/misc/sakura/default.nix b/pkgs/applications/misc/sakura/default.nix
index e1492a47691..151b8a077d5 100644
--- a/pkgs/applications/misc/sakura/default.nix
+++ b/pkgs/applications/misc/sakura/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
       terminals in one window and adds a contextual menu with some basic
       options. No more no less.
     '';
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ astsmtl ];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/applications/misc/st/default.nix b/pkgs/applications/misc/st/default.nix
index 9c57fbd19a7..1dcdf78456d 100644
--- a/pkgs/applications/misc/st/default.nix
+++ b/pkgs/applications/misc/st/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     
   meta = {
     homepage = http://st.suckless.org/;
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     maintainers = with maintainers; [viric];
     platforms = with platforms; linux;
   };
diff --git a/pkgs/applications/misc/stardict/stardict.nix b/pkgs/applications/misc/stardict/stardict.nix
index 9eb3e112342..1ca8ec045d6 100644
--- a/pkgs/applications/misc/stardict/stardict.nix
+++ b/pkgs/applications/misc/stardict/stardict.nix
@@ -39,8 +39,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "stardict";
     homepage = "A international dictionary supporting fuzzy and glob style matching";
-    license = "LGPL3";
+    license = stdenv.lib.licenses.lgpl3;
     maintainers = with stdenv.lib.maintainers; [qknight];
   };
 }
-
diff --git a/pkgs/applications/misc/surf/default.nix b/pkgs/applications/misc/surf/default.nix
index 651cfcca406..983fbde0c45 100644
--- a/pkgs/applications/misc/surf/default.nix
+++ b/pkgs/applications/misc/surf/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
       surf to another URI by setting its XProperties.
       '';
     homepage = http://surf.suckless.org;
-    license = "MIT";
+    license = stdenv.lib.licenses.mit;
     platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/applications/misc/tangogps/default.nix b/pkgs/applications/misc/tangogps/default.nix
index 609849166d1..aa1df2c9d1a 100644
--- a/pkgs/applications/misc/tangogps/default.nix
+++ b/pkgs/applications/misc/tangogps/default.nix
@@ -38,6 +38,6 @@ stdenv.mkDerivation rec {
 
     #homepage = http://www.tangogps.org/; # no longer valid, I couldn't find any other
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/applications/misc/taskjuggler/default.nix b/pkgs/applications/misc/taskjuggler/default.nix
index 77acc511fe4..e1e04771460 100644
--- a/pkgs/applications/misc/taskjuggler/default.nix
+++ b/pkgs/applications/misc/taskjuggler/default.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "http://www.taskjuggler.org";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     description = "Project management tool";
     longDescription = ''
       TaskJuggler is a modern and powerful, Open Source project management
diff --git a/pkgs/applications/misc/vanitygen/default.nix b/pkgs/applications/misc/vanitygen/default.nix
index e16767d4c26..720240d0d79 100644
--- a/pkgs/applications/misc/vanitygen/default.nix
+++ b/pkgs/applications/misc/vanitygen/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
         and will run about 30% faster.
       '';
       homepage = "https://github.com/samr7/vanitygen";
-      license = "AGPLv3";
+      license = stdenv.lib.licenses.agpl3;
       platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/applications/misc/viking/default.nix b/pkgs/applications/misc/viking/default.nix
index 70ac055db09..6508b12e1de 100644
--- a/pkgs/applications/misc/viking/default.nix
+++ b/pkgs/applications/misc/viking/default.nix
@@ -38,6 +38,6 @@ stdenv.mkDerivation {
 
     homepage = http://viking.sourceforge.net/;
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/applications/misc/wmname/default.nix b/pkgs/applications/misc/wmname/default.nix
index 417d4a5ae68..0f71a53075f 100644
--- a/pkgs/applications/misc/wmname/default.nix
+++ b/pkgs/applications/misc/wmname/default.nix
@@ -15,6 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
       description = "Prints or set the window manager name property of the root window";
       homepage = "http://tools.suckless.org/wmname";
-      license = "MIT";
+      license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/applications/misc/xfe/default.nix b/pkgs/applications/misc/xfe/default.nix
index 9b1385d9d6a..9a35cef0824 100644
--- a/pkgs/applications/misc/xfe/default.nix
+++ b/pkgs/applications/misc/xfe/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
       Xfe aims to be the filemanager of choice for all the Unix addicts!
     '';
     homepage = "http://sourceforge.net/projects/xfe/";
-    license = "GPLv2";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.bbenoist ];
     platforms = stdenv.lib.platforms.mesaPlatforms;
   };
diff --git a/pkgs/applications/misc/xneur/default.nix b/pkgs/applications/misc/xneur/default.nix
index 4f6e3342f58..cc08436fa03 100644
--- a/pkgs/applications/misc/xneur/default.nix
+++ b/pkgs/applications/misc/xneur/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Utility for switching between keyboard layouts";
     homepage = http://xneur.ru;
-    license = "GPL2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.raskin ];
     platforms = stdenv.lib.platforms.linux;
   };