anchor.diff:      '';
       homepage = http://www.openttd.org/;
       license = "GPLv2";
  -    maintainers = with stdenv.lib.maintainers; [ jcumming ];
  +    platforms = stdenv.lib.platforms.unix;
  +    maintainers = with stdenv.lib.maintainers; [ jcumming the-kenny ];
     };
   }
  
positive.code: {stdenv, fetchurl, pkgconfig, SDL, libpng, zlib, xz, freetype, fontconfig}:
  
  stdenv.mkDerivation rec {
    name = "openttd-${version}";
    version = "1.2.2";
  
    src = fetchurl {
      url = "http://binaries.openttd.org/releases/${version}/${name}-source.tar.xz";
      sha256 = "158znfx389bhs9gd2hadnbc2a32z4ma1vz8704cmw9yh0fmhbcap";
    };
  
    buildInputs = [SDL libpng pkgconfig xz zlib freetype fontconfig];
    prefixKey = "--prefix-dir=";
  
    configureFlags = ''
      --with-zlib=${zlib}/lib/libz.a 
      --without-liblzo2
    '';
  
    makeFlags = "INSTALL_PERSONAL_DIR=";
  
  
negative.code:   '';
  
    meta = {
      description = ''OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe"'';
      longDescription = ''
        OpenTTD is a transportation economics simulator. In single player mode,
        players control a transportation business, and use rail, road, sea, and air
        transport to move goods and people around the simulated world.
  
        In multiplayer networked mode, players may:
          - play competitively as different businesses
  