mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-11 08:13:04 +00:00
45 lines
1.3 KiB
Nix
45 lines
1.3 KiB
Nix
{ stdenv, fetchurl, zlib, apngSupport ? true }:
|
|
|
|
assert zlib != null;
|
|
|
|
let
|
|
version = "1.6.20";
|
|
sha256 = "12wis4rlisfnw79pj2778m42m94xpi9nq8m385hxk11lkyg9biam";
|
|
patch_src = fetchurl {
|
|
url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
|
|
sha256 = "11xgal9qk6fmqdgcb37xg55f2y58wizszw54p1pyq855d2xpwfz6";
|
|
};
|
|
whenPatched = stdenv.lib.optionalString apngSupport;
|
|
|
|
in stdenv.mkDerivation rec {
|
|
name = "libpng" + whenPatched "-apng" + "-${version}";
|
|
|
|
src = fetchurl {
|
|
url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
|
|
inherit sha256;
|
|
};
|
|
postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
|
|
|
|
outputs = [ "dev" "out" "man" ];
|
|
|
|
propagatedBuildInputs = [ zlib ];
|
|
|
|
preConfigure = "export bin=$dev";
|
|
|
|
# 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;
|
|
|
|
postInstall = ''mv "$out/bin" "$dev/bin"'';
|
|
|
|
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 ];
|
|
};
|
|
}
|