anchor.diff:          { source = "${pkgs.xkeyboard_config}/etc/X11/xkb";
             target = "X11/xkb";
           }
  -      ];
  +      ])
  +    ++ (optionals (elem "ati_unfree" driverNames) [
  +
  +        # according toiive on #ati you don't need the pcs, it is like registry... keeps old stuff to make your
  +        # life harder ;) Still it seems to be required
  +        { source = "${kernelPackages.ati_drivers_x11}/etc/ati";
  +          target = "ati";
  +        }
  +    ]);
   
       environment.x11Packages =
         [ xorg.xorgserver
  
positive.code:                 "ln -sf ${kernelPackages.nvidia_x11_legacy96} /run/opengl-driver"
                else if elem "nvidiaLegacy173" driverNames then
                  "ln -sf ${kernelPackages.nvidia_x11_legacy173} /run/opengl-driver"
                else if cfg.driSupport then
                  "ln -sf ${pkgs.mesa} /run/opengl-driver"
                else ""
  
negative.code:       optional (elem "virtualbox" driverNames) kernelPackages.virtualboxGuestAdditions ++
        optional (elem "ati_unfree" driverNames) kernelPackages.ati_drivers_x11;
  
      environment.etc =
      (optionals cfg.exportConfiguration
        [ { source = "${configFile}";
            target = "X11/xorg.conf";
          }
  