Package( [ ("name", "libpng-1.2.5") , ("build", Relative("libpng/libpng-build.sh")) , ("src", Call(IncludeFix("fetchurl/fetchurl.fix"), [ ("url", "http://heanet.dl.sourceforge.net/sourceforge/png-mng/libpng-1.2.5.tar.bz2") , ("md5", "3fc28af730f12ace49b14568de4ad934") ])) , ("stdenv", IncludeFix("stdenv/stdenv.fix")) , ("zlib", IncludeFix("zlib/zlib.fix")) ] )