* Update to GTK 2.4.0.

svn path=/nixpkgs/trunk/; revision=906

pkgs/development/libraries/libpng/builder.sh

@@ -1,15 +1,15 @@
-buildInputs="$zlib"
 . $stdenv/setup
 
-tar xvfj $src
-cd libpng-*
-make -f scripts/makefile.linux
-mkdir $out
-mkdir $out/bin
-mkdir $out/lib
-mkdir $out/include
-make -f scripts/makefile.linux install prefix=$out
-strip -S $out/lib/*.a
+makeFlags="-f scripts/makefile.linux"
 
-mkdir $out/nix-support
-echo "$zlib" > $out/nix-support/propagated-build-inputs
+preInstall() {
+    mkdir $out
+    mkdir $out/bin
+    mkdir $out/lib
+    mkdir $out/include
+}
+preInstall=preInstall
+
+installFlags="-f scripts/makefile.linux install prefix=$out"
+
+genericBuild

pkgs/development/libraries/libpng/default.nix

@@ -9,5 +9,6 @@ stdenv.mkDerivation {
     url = http://heanet.dl.sourceforge.net/sourceforge/png-mng/libpng-1.2.5.tar.bz2;
     md5 = "3fc28af730f12ace49b14568de4ad934";
   };
-  zlib = zlib;
+  propagatedBuildInputs = [zlib];
+  inherit zlib;
 }