anchor.diff:  , xproto
   }:
   
  +let
  +  inherit (lib)
  +    boolOn;
  +in
   stdenv.mkDerivation rec {
     name = "freeglut-3.0.0";
   
  
positive.code:     libxrandr
      libxrender
      xorg.libXxf86vm
      mesa
      randrproto
      renderproto
      xf86vidmodeproto
      xproto
    ];
  
    meta = with lib; {
  
negative.code: , libx11
  , libxrandr
  , libxrender
  , opengl-dummy
  , randrproto
  , renderproto
  , xf86vidmodeproto
  