nixpkgs/pkgs/development/libraries/libpng/default.nix
2021-01-21 19:11:02 -08:00

40 lines
1.1 KiB
Nix

{ lib, stdenv, fetchurl, zlib, apngSupport ? true }:
assert zlib != null;
let
patchVersion = "1.6.37";
patch_src = fetchurl {
url = "mirror://sourceforge/libpng-apng/libpng-${patchVersion}-apng.patch.gz";
sha256 = "1dh0250mw9b2hx7cdmnb2blk7ddl49n6vx8zz7jdmiwxy38v4fw2";
};
whenPatched = lib.optionalString apngSupport;
in stdenv.mkDerivation rec {
name = "libpng" + whenPatched "-apng" + "-${version}";
version = "1.6.37";
src = fetchurl {
url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
sha256 = "1jl8in381z0128vgxnvn33nln6hzckl7l7j9nqvkaf1m9n1p0pjh";
};
postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
outputs = [ "out" "dev" "man" ];
outputBin = "dev";
propagatedBuildInputs = [ zlib ];
doCheck = true;
passthru = { inherit zlib; };
meta = with 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.libpng2;
platforms = platforms.all;
maintainers = [ maintainers.vcunat ];
};
}