1 files changed, 40 insertions, 7 deletions

diff --git a/pkgs/development/libraries/freetype/default.nix b/pkgs/development/libraries/freetype/default.nix
index b26789930a4b..cff22e9bc577 100644
--- a/pkgs/development/libraries/freetype/default.nix
+++ b/pkgs/development/libraries/freetype/default.nix
@@ -1,22 +1,50 @@
 { stdenv, fetchurl, gnumake
-, # FreeType supports sub-pixel rendering.  This is patented by
+  # FreeType supports sub-pixel rendering.  This is patented by
   # Microsoft, so it is disabled by default.  This option allows it to
   # be enabled.  See http://www.freetype.org/patents.html.
-  useEncumberedCode ? false
+, useEncumberedCode ? false
+, useInfinality ? true
 }:
 
+assert !(useEncumberedCode && useInfinality); # probably wouldn't make sense
+
+let
+
+  version = "2.4.11";
+
+  infinality = rec {
+    inherit useInfinality;
+    vers = "20130104";
+    subvers = "04";
+    sha256 = "0dqglig34lfcw0w6sm6vmich0pcvq303vyh8jzqapvxgvrpr2156";
+
+    base_URL = "http://www.infinality.net/fedora/linux/zips";
+    url = "${base_URL}/freetype-infinality-${version}-${vers}_${subvers}-x86_64.tar.bz2";
+  };
+
+in
+
 stdenv.mkDerivation rec {
-  name = "freetype-2.4.10";
+  name = "freetype-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/freetype/${name}.tar.bz2";
-    sha256 = "0bwrkqpygayfc1rf6rr1nb8l3svgn1fmjz8davg2hnf46cn293hc";
+    sha256 = "0gxyzxqpyf8g85y6g1zc1wqrh71prbbk8xfw4m8rwzb4ck5hp7gg";
   };
 
+  infinality_patch = if useInfinality
+    then fetchurl { inherit (infinality) url sha256; }
+    else null;
+
   configureFlags = "--disable-static";
 
-  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString useEncumberedCode
-    "-DFT_CONFIG_OPTION_SUBPIXEL_RENDERING=1";
+  NIX_CFLAGS_COMPILE = with stdenv.lib;
+    " -fno-strict-aliasing" # from Gentoo, see https://bugzilla.redhat.com/show_bug.cgi?id=506840
+    + optionalString useEncumberedCode " -DFT_CONFIG_OPTION_SUBPIXEL_RENDERING=1"
+    + optionalString useInfinality " -DTT_CONFIG_OPTION_SUBPIXEL_HINTING=1";
+
+  patches = [ ./enable-validation.patch ] # from Gentoo
+    ++ stdenv.lib.optional useInfinality [ infinality_patch ];
 
   # The asm for armel is written with the 'asm' keyword.
   CFLAGS = stdenv.lib.optionalString stdenv.isArm "-std=gnu99";
@@ -26,6 +54,8 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  doCheck = true;
+
   postInstall =
     ''
       ln -s freetype2/freetype $out/include/freetype
@@ -38,9 +68,12 @@ stdenv.mkDerivation rec {
     configureFlags = "--disable-static CC_BUILD=gcc";
   };
 
+  passthru = { inherit infinality; }; # for fontconfig
+
   meta = {
     description = "A font rendering engine";
     homepage = http://www.freetype.org/;
-    license = "GPLv2+"; # or the FreeType License (BSD + advertising clause)
+    license = if useEncumberedCode then "unfree"
+      else "GPLv2+"; # or the FreeType License (BSD + advertising clause)
   };
 }