40 lines
1.2 KiB
Nix
40 lines
1.2 KiB
Nix
{ lib, stdenv, fetchurl, zlib, apngSupport ? true }:
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assert zlib != null;
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let
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patchVersion = "1.6.40";
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patch_src = fetchurl {
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url = "mirror://sourceforge/libpng-apng/libpng-${patchVersion}-apng.patch.gz";
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hash = "sha256-CjykZIKTjY1sciZivtLH7gxlobViRESzztIa2NNW2y8=";
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};
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whenPatched = lib.optionalString apngSupport;
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in stdenv.mkDerivation rec {
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pname = "libpng" + whenPatched "-apng";
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version = "1.6.40";
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src = fetchurl {
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url = "mirror://sourceforge/libpng/libpng-${version}.tar.xz";
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hash = "sha256-U1tHmyRn/yMaPsbZKlJZBvuO8nl4vk9m2+BdPzoBs6E=";
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};
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postPatch = whenPatched "gunzip < ${patch_src} | patch -Np1";
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outputs = [ "out" "dev" "man" ];
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outputBin = "dev";
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propagatedBuildInputs = [ zlib ];
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doCheck = true;
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passthru = { inherit zlib; };
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meta = with 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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changelog = "https://github.com/glennrp/libpng/blob/v1.6.40/CHANGES";
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license = licenses.libpng2;
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platforms = platforms.all;
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maintainers = with maintainers; [ vcunat ];
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};
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}
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