nixpkgs/pkgs/tools/graphics/pngquant/default.nix

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{ lib, stdenv, fetchFromGitHub, pkg-config, libpng, zlib, lcms2 }:
stdenv.mkDerivation rec {
pname = "pngquant";
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version = "2.17.0";
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src = fetchFromGitHub {
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owner = "kornelski";
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repo = "pngquant";
rev = version;
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sha256 = "sha256-D2KNn6AJ4eIHeb/2Oo1Wf0djMCXTtVGrua0D6z7+9V4=";
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fetchSubmodules = true;
};
preConfigure = "patchShebangs .";
configureFlags = lib.optionals (!stdenv.hostPlatform.isx86) [ "--disable-sse" ];
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nativeBuildInputs = [ pkg-config ];
buildInputs = [ libpng zlib lcms2 ];
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doCheck = true;
meta = with lib; {
homepage = "https://pngquant.org/";
description = "A tool to convert 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved";
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changelog = "https://github.com/kornelski/pngquant/raw/${version}/CHANGELOG";
platforms = platforms.unix;
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license = with licenses; [ gpl3Plus hpnd bsd2 ];
maintainers = [ ];
};
}