{ stdenv, fetchurl, libjpeg, libpng, zlib , x11Support, x11 ? null }: assert x11Support -> x11 != null; stdenv.mkDerivation { name = "ghostscript-8.15"; builder = ./builder.sh; src = fetchurl { url = http://nix.cs.uu.nl/dist/tarballs/ghostscript-8.15.tar.bz2; md5 = "ab8502f30629b730e0c9ca56b88a6b9d"; }; fonts = [ (fetchurl { url = http://nix.cs.uu.nl/dist/tarballs/ghostscript-fonts-std-8.11.tar.gz; md5 = "6865682b095f8c4500c54b285ff05ef6"; }) # ... add other fonts here ]; buildInputs = [ libjpeg libpng zlib (if x11Support then x11 else null) ]; configureFlags = if x11Support then "--with-x" else "--without-x"; }