nixpkgs/pkgs/development/libraries/libpng/default.nix
2016-07-09 16:50:14 +02:00

42 lines
1.3 KiB
Nix

{ stdenv, fetchurl, zlib, apngSupport ? true }:
assert zlib != null;
let
version = "1.6.23";
sha256 = "1wb2j8sba6g2h4vmv4pwsp93q74qw4gyqqs4b7vfjmpcv9xix4kd";
patch_src = fetchurl {
url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
sha256 = "1lvsn1kmarzpn269zgykjfmxq16zrdhpd1a75nzgclx97436x408";
};
whenPatched = stdenv.lib.optionalString apngSupport;
in stdenv.mkDerivation rec {
name = "libpng" + whenPatched "-apng" + "-${version}";
src = fetchurl {
url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
inherit sha256;
};
postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
outputs = [ "dev" "out" "man" ];
outputBin = "dev";
propagatedBuildInputs = [ zlib ];
# it's hard to cross-run tests and some check programs didn't compile anyway
makeFlags = stdenv.lib.optional (!doCheck) "check_PROGRAMS=";
doCheck = ! stdenv ? cross;
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 ];
};
}