* pkgconfig 0.21 is now the default.

* Some hackery to get Firefox to build again.

svn path=/nixpkgs/trunk/; revision=8076

pkgs/development/tools/misc/pkgconfig/pkgconfig-0.21.nix

@@ -8,4 +8,13 @@ stdenv.mkDerivation {
     url = http://nix.cs.uu.nl/dist/tarballs/pkg-config-0.21.tar.gz;
     md5 = "476f45fab1504aac6697aa7785f0ab91";
   };
+
+  patches = [
+    # Process Requires.private properly, see
+    # http://bugs.freedesktop.org/show_bug.cgi?id=4738.
+    (fetchurl {
+      url = http://bugs.freedesktop.org/attachment.cgi?id=8494;
+      sha256 = "1pcrdbb7dypg2biy0yqc7bdxak5zii8agqljdvk7j4wbyghpqzws";
+    })
+  ];
 }