anchor.diff:      homepage = http://www.openttd.org/;
       license = stdenv.lib.licenses.gpl2;
       platforms = stdenv.lib.platforms.unix;
  -    maintainers = with stdenv.lib.maintainers; [ jcumming the-kenny ];
  +    maintainers = with stdenv.lib.maintainers; [ jcumming the-kenny fpletz ];
     };
   }
  
positive.code:     sha256 = "0qxss5rxzac94z5k16xv84ll0n163sphs88xkgv3z7vwramagffq";
    };
  
    buildInputs = [ SDL libpng pkgconfig xz zlib freetype fontconfig ];
    prefixKey = "--prefix-dir=";
  
    configureFlags = [
  
negative.code: { stdenv, fetchurl, fetchzip, pkgconfig, SDL, libpng, zlib, xz, freetype, fontconfig
  , withOpenGFX ? true, withOpenSFX ? true, withOpenMSX ? true
  }:
  
  let
    opengfx = fetchzip {
      url = "http://binaries.openttd.org/extra/opengfx/0.5.2/opengfx-0.5.2-all.zip";
      sha256 = "1sjzwl8wfdj0izlx2qdq15bqiy1vzq7gq7drydfwwryk173ig5sa";
    };
  
    opensfx = fetchzip {
      url = "http://binaries.openttd.org/extra/opensfx/0.2.3/opensfx-0.2.3-all.zip";
      sha256 = "1bb167kszdd6dqbcdjrxxwab6b7y7jilhzi3qijdhprpm5gf1lp3";
    };
  
    openmsx = fetchzip {
      url = "http://binaries.openttd.org/extra/openmsx/0.3.1/openmsx-0.3.1-all.zip";
      sha256 = "0qnmfzz0v8vxrrvxnm7szphrlrlvhkwn3y92b4iy0b4b6yam0yd4";
    };
  
  in
  stdenv.mkDerivation rec {
    name = "openttd-${version}";
    version = "1.5.3";
  