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

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{ stdenv, fetchurl, libpng }:
stdenv.mkDerivation rec {
name = "pngcrush-1.7.22";
src = fetchurl {
url = "mirror://sourceforge/pmt/${name}-nolib.tar.xz";
sha256 = "1sngz34cssni4j7hvqhq5ms6h4ydb3b0s5y7fidv3kjms9g1xcsp";
};
configurePhase = ''
sed -i s,/usr,$out, Makefile
'';
buildInputs = [ libpng ];
meta = {
homepage = http://pmt.sourceforge.net/pngcrush;
description = "A PNG optimizer";
license = "free";
platforms = with stdenv.lib.platforms; linux;
};
}