anchor.diff:  
   let
     versionMajor = "0.2.8";
  -  versionMinor = "3.4";
  +  versionMinor = "3.5";
     version = "${versionMajor}.${versionMinor}";
   in
   
  
positive.code:   buildInputs = [ SDL SDL_image libxml2 libjpeg libpng libGLU libGL zlib ];
  
    meta = with stdenv.lib; {
      homepage = http://armagetronad.org;
      description = "An multiplayer networked arcade racing game in 3D similar to Tron";
      license = licenses.gpl2;
      platforms = platforms.linux;
  
negative.code:   inherit version;
    src = fetchurl {
      url = "https://launchpad.net/armagetronad/${versionMajor}/${versionMajor}.${versionMinor}/+download/armagetronad-${version}.src.tar.bz2";
      sha256 = "1vyja7mzivs3pacxb7kznndsgqhq4p0f7x2zg55dckvzqwprdhqx";
    };
  
    NIX_LDFLAGS = "-lSDL_image";
  