{ crossenv }:

crossenv.make_derivation rec {
  name = "zlib-${version}";

  version = "1.2.11";

  src = crossenv.nixpkgs.fetchurl {
    url = "https://zlib.net/zlib-${version}.tar.gz";
    sha256 = "18dighcs333gsvajvvgqp8l4cx7h1x7yx9gd5xacnk80spyykrf3";
  };

  builder = ./builder.sh;
}