37 lines
1.1 KiB
Nix
37 lines
1.1 KiB
Nix
{ stdenv, fetchurl, zlib, apngSupport ? false }:
|
|
|
|
assert zlib != null;
|
|
|
|
let
|
|
version = "1.6.4";
|
|
sha256 = "15pqany43q2hzaxqn84p9dba071xmvqi8h1bhnjxnxdf3g64zayg";
|
|
patch_src = fetchurl { # not released yet, hopefully OK
|
|
url = "mirror://sourceforge/libpng-apng/libpng-1.6.3-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 = 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 = "free-non-copyleft"; # http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
|
|
platforms = platforms.all;
|
|
maintainers = [ maintainers.vcunat ];
|
|
};
|
|
}
|