nixpkgs/pkgs/development/libraries/libpng/default.nix
Vladimír Čunát 625f40151b Merge branch 'master' into x-updates
Conflicts (a little tricky, I did some cleanup of interacting changes):
	pkgs/development/compilers/llvm/default.nix
	pkgs/development/libraries/libpng/default.nix
	pkgs/tools/package-management/nixops/default.nix
	pkgs/top-level/all-packages.nix
2013-08-02 18:30:53 +02:00

36 lines
1.1 KiB
Nix

{ stdenv, fetchurl, zlib, apngSupport ? false }:
assert zlib != null;
let
version = "1.6.3";
sha256 = "0i8gz8mbkygc0ny7aa2i2wiavysxy6fdaphl52l49fb3hv9w1v65";
patch_src = fetchurl {
url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
sha256 = "0fjnb6cgbj2c7ggl0qzcnliml2ylrjxzigp89vw0hxq221k5mlsx";
};
whenPatched = stdenv.lib.optionalString apngSupport;
in stdenv.mkDerivation rec {
name = "libpng" + whenPatched "-apng" + "-${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 = {
description = "The official reference implementation for the PNG file format" + whenPatched " with animation patch";
homepage = http://www.libpng.org/pub/png/libpng.html;
license = "free-non-copyleft"; # http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
platforms = stdenv.lib.platforms.all;
};
}