anchor.diff:  , jansson
   , libvdpau
   , mesa_noglu
  +, nvidia-gpu-deployment-kit
   , pango
   , xorg
   
  
positive.code:     "GTK3_AVAILABLE=1"
      "NV_VERBOSE=1"
      "NV_USE_BUNDLED_LIBJANSSON=0"
      # TODO: package nvidia-gpu-deployment-kit
      "NVML_AVAILABLE=0"
    ];
  
    meta = with stdenv.lib; {
  
negative.code:     jansson
      libvdpau
      mesa_noglu
      nvidia-gpu-deployment-kit
      pango
      xorg.libX11
      xorg.libXext
  