Fix builds depending on libXft

pkgs/development/libraries/freetype/default.nix

@@ -26,6 +26,11 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  postInstall =
+    ''
+      ln -s freetype2/freetype $out/include/freetype
+    '';
+
   meta = {
     description = "A font rendering engine";
     homepage = http://www.freetype.org/;

pkgs/servers/x11/xorg/overrides.nix

@@ -109,21 +109,19 @@ in
   compositeproto = attrs: attrs // {
     propagatedBuildInputs = [ xorg.fixesproto ];
   };
-  
+
   libXcomposite = attrs: attrs // {
     propagatedBuildInputs = [ xorg.libXfixes ];
   };
-  
+
   libXaw = attrs: attrs // {
     propagatedBuildInputs = [ xorg.libXmu ];
   };
-  
+
   libXft = attrs: attrs // {
     buildInputs = attrs.buildInputs ++
       [ xorg.xproto xorg.libX11 xorg.renderproto ];
-    # probably, fontconfig and freetype could be added
-    # pkgconfig seems to be nice, too...
-    propagatedBuildInputs = [ xorg.libXrender ];
+    propagatedBuildInputs = [ xorg.libXrender args.freetype args.fontconfig ];
     preConfigure = setMalloc0ReturnsNullCrossCompiling;
   };