cdaced58ae
Cross builds for Darwin already include the CoreFoundation and the libraries from XCode, so zlib already exists on that platform. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
30 lines
763 B
Nix
30 lines
763 B
Nix
{ stdenv, fetchurl, zlib, xz }:
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assert !(stdenv ? cross) -> zlib != null;
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stdenv.mkDerivation rec {
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name = "libpng-1.2.50";
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src = fetchurl {
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url = "mirror://sourceforge/libpng/${name}.tar.xz";
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sha256 = "1rz8v3cvy1zzpagxn91lj8swb9vf75rz3yyi18v7zb4jihgzh927";
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};
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propagatedBuildInputs = [ zlib ];
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nativeBuildInputs = [ xz ];
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passthru = { inherit zlib; };
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crossAttrs = stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
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propagatedBuildInputs = [];
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passthru = {};
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};
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meta = {
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description = "The official reference implementation for the PNG file format";
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homepage = http://www.libpng.org/pub/png/libpng.html;
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license = "free-non-copyleft"; # http://www.libpng.org/pub/png/src/libpng-LICENSE.txt
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};
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}
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