anchor.diff:    src = fetchurl {
       url = "http://http.download.nvidia.com/XFree86/nvidia-settings/"
         + "nvidia-settings-${version}.tar.bz2";
  -    sha256 = "59d7818a4837144e373ce958233db059fde59e279477001e187579770ebf0c5f";
  +    sha256 = "40cd293e79bda131147187f281578e2b1f887c05bee78f671bde329af4956ada";
     };
   
     nativeBuildInputs = [
  
positive.code: , jansson
  , libvdpau
  , mesa_noglu
  , nvidia-gpu-deployment-kit
  , pango
  , xorg
  }:
  
negative.code:     "GTK3_AVAILABLE=1"
      "NV_VERBOSE=1"
      "NV_USE_BUNDLED_LIBJANSSON=0"
      "NVML_AVAILABLE=1"
    ];
  
    postBuild = /* Build libXNVCtrl */ ''
  