anchor.diff:  { fetchurl, stdenv, SDL, SDL_image, SDL_mixer, SDL_sound, libsigcxx, physfs
   , boost, expat, freetype, libjpeg, wxGTK, lua, perl, pkgconfig, zlib, zip, bzip2,
  -libpng }:
  +libpng, libtiff, fluidsynth, libmikmod }:
   
   stdenv.mkDerivation rec {
  -  name = "asc-2.4.0.0";
  +  name = "asc-2.6.0.0";
   
     src = fetchurl {
       url = "mirror://sourceforge/asc-hq/${name}.tar.bz2";
  -    sha256 = "1r011l4gsliky6szjvda8xzyhkkc50ahrr7p14911v5ydar0w3hh";
  +    sha256 = "1fybasb6srqfg6pqbvh0s0vvzjq9r0n6aq0z44hs7n68kmaam775";
     };
   
     configureFlags = [ "--disable-paragui" "--disable-paraguitest" ];
  
positive.code:   buildInputs = [
      SDL SDL_image SDL_mixer SDL_sound libsigcxx physfs boost expat
      freetype libjpeg wxGTK lua perl pkgconfig zlib zip bzip2 libpng
    ];
  
    meta = with stdenv.lib; {
  
negative.code: 
      license = licenses.gpl2Plus;
  
      maintainers = with maintainers; [ viric raskin ];
      platforms = platforms.linux;
    };
  }
  