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{ stdenv, fetchurl, zlib }:
assert !(stdenv ? cross) -> zlib != null;
stdenv.mkDerivation rec {
name = "libpng-1.2.56";
src = fetchurl {
url = "mirror://sourceforge/libpng/${name}.tar.xz";
sha256 = "1ghd03p353x0vi4dk83n1nlldg11w7vqdk3f99rkgfb82ic59ki4";
};
outputs = [ "dev" "out" "man" ];
propagatedBuildInputs = [ zlib ];
passthru = { inherit zlib; };
crossAttrs = stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
propagatedBuildInputs = [];
passthru = {};
};
configureFlags = "--enable-static";
postInstall = ''mv "$out/bin" "$dev/bin"'';
meta = with stdenv.lib; {
description = "The official reference implementation for the PNG file format";
homepage = http://www.libpng.org/pub/png/libpng.html;
license = licenses.libpng;
maintainers = [ maintainers.fuuzetsu ];
branch = "1.2";
platforms = platforms.unix;
};
}
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