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

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{ stdenv, fetchurl, pkgconfig, libpng, zlib }:
stdenv.mkDerivation rec {
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name = "pngnq-1.1";
src = fetchurl {
url = "mirror://sourceforge/pngnq/${name}.tar.gz";
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sha256 = "1qmnnl846agg55i7h4vmrn11lgb8kg6gvs8byqz34bdkjh5gwiy1";
};
nativeBuildInputs = [ pkgconfig ];
buildInputs = [ libpng zlib ];
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patchPhase = ''
sed -i '/png.h/a \#include <zlib.h>' src/rwpng.c
'';
meta = with stdenv.lib; {
homepage = "http://pngnq.sourceforge.net/";
description = "A PNG quantizer";
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license = licenses.bsd3;
maintainers = with maintainers; [ pSub ];
platforms = platforms.linux;
};
}