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nixpkgs/pkgs/development/libraries/libpng/default.nix

38 lines
1.1 KiB
Nix

{ stdenv, fetchurl, zlib, apngSupport ? false }:
assert zlib != null;
let
version = "1.6.16";
sha256 = "0q5ygy15jkpqbj5701ywrjzqp4nl5yz3r4g58h2p0kiycggm9xs2";
patch_src = fetchurl {
url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
sha256 = "1sf27a5gvwvcm4wsf2pyq87d3g4l2fym8cirq9sli54bi753ikbh";
};
whenPatched = stdenv.lib.optionalString apngSupport;
in stdenv.mkDerivation rec {
name = "libpng" + whenPatched "-apng" + "-${version}";
src = fetchurl {
url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
inherit sha256;
};
postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
propagatedBuildInputs = [ zlib ];
doCheck = true;
passthru = { inherit zlib; };
meta = with stdenv.lib; {
description = "The official reference implementation for the PNG file format" + whenPatched " with animation patch";
homepage = http://www.libpng.org/pub/png/libpng.html;
license = licenses.libpng;
platforms = platforms.all;
maintainers = [ maintainers.vcunat maintainers.fuuzetsu ];
};
}