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

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{ stdenv, fetchurl, libpng }:
stdenv.mkDerivation rec {
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name = "pngcrush-1.8.13";
src = fetchurl {
url = "mirror://sourceforge/pmt/${name}-nolib.tar.xz";
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sha256 = "0l43c59d6v9l0g07z3q3ywhb8xb3vz74llv3mna0izk9bj6aqkiv";
};
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makeFlags = [ "CC=cc" "LD=cc" ]; # gcc and/or clang compat
configurePhase = ''
sed -i s,/usr,$out, Makefile
'';
buildInputs = [ libpng ];
meta = {
homepage = "http://pmt.sourceforge.net/pngcrush";
description = "A PNG optimizer";
license = stdenv.lib.licenses.free;
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platforms = with stdenv.lib.platforms; linux ++ darwin;
};
}