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https://github.com/SebastianWendel/nixpkgs.git
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45 lines
1.3 KiB
Nix
45 lines
1.3 KiB
Nix
{ stdenv, fetchurl, zlib, apngSupport ? true }:
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assert zlib != null;
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let
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version = "1.6.21";
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sha256 = "10r0xqasm8fi0dx95bpca63ab4myb8g600ypyndj2r4jxd4ii3vc";
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patch_src = fetchurl {
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url = "mirror://sourceforge/libpng-apng/libpng-${version}-apng.patch.gz";
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sha256 = "0wwcc52yzjaxvpfkicz20j7yzpy02hpnsm4jjlvw74gy4qjhx9vd";
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};
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whenPatched = stdenv.lib.optionalString apngSupport;
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in stdenv.mkDerivation rec {
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name = "libpng" + whenPatched "-apng" + "-${version}";
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src = fetchurl {
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url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
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inherit sha256;
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};
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postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
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outputs = [ "dev" "out" "man" ];
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propagatedBuildInputs = [ zlib ];
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preConfigure = "export bin=$dev";
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# it's hard to cross-run tests and some check programs didn't compile anyway
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makeFlags = stdenv.lib.optional (!doCheck) "check_PROGRAMS=";
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doCheck = ! stdenv ? cross;
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postInstall = ''mv "$out/bin" "$dev/bin"'';
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passthru = { inherit zlib; };
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meta = with stdenv.lib; {
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description = "The official reference implementation for the PNG file format" + whenPatched " with animation patch";
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homepage = http://www.libpng.org/pub/png/libpng.html;
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license = licenses.libpng;
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platforms = platforms.all;
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maintainers = [ maintainers.vcunat maintainers.fuuzetsu ];
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};
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}
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