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: { stdenv, fetchurl, pkgconfig, SDL, libpng, zlib, xz, freetype, fontconfig }:
  
  stdenv.mkDerivation rec {
    name = "openttd-${version}";
    version = "1.5.3";
  
negative.code: 
    postInstall = ''
      mv $out/games/ $out/bin
  
      ${stdenv.lib.optionalString withOpenGFX ''
        cp ${opengfx}/* $out/share/games/openttd/baseset
      ''}
  
      mkdir -p $out/share/games/openttd/data
  
      ${stdenv.lib.optionalString withOpenSFX ''
        cp ${opensfx}/*.{obs,cat} $out/share/games/openttd/data
      ''}
  
      ${stdenv.lib.optionalString withOpenMSX ''
        cp ${openmsx}/*.{obm,mid} $out/share/games/openttd/data
      ''}
    '';
  
    meta = {
  