{stdenv, fetchurl, zlib}: stdenv.mkDerivation { name = "unshield-0.6"; src = fetchurl { url = mirror://sourceforge/synce/Unshield/0.6/unshield-0.6.tar.gz; sha256 = "07q48zwvjz9f8barql4b894fzz897agscvj13i6gkpy862aya41b"; }; configureFlags = "--with-zlib=${zlib}"; }