anchor.diff:      "NV_USE_BUNDLED_LIBJANSSON=0"
       "NVML_AVAILABLE=1"
     ];
  -
  -  postBuild = /* Build libXNVCtrl */ ''
  -    #make -C src/ $makeFlags build-xnvctrl
  -  '';
   
     postInstall = /* NVIDIA Settings .desktop entry */ ''
       install -D -m644 -v 'doc/nvidia-settings.desktop' \
  
positive.code:     install -D -m644 -v 'doc/nvidia-settings.png' \
        "$out/share/pixmaps/nvidia-settings.png"
    '' + /* Install libXNVCtrl */ ''
      #install -D -m644 -v 'src/libXNVCtrl/libXNVCtrl.so' \
      #  "$out/lib/libXNVCtrl.so"
    '';
  
    preFixup = ''
  
negative.code: 
    preBuild = ''
      makeFlagsArray+=("PREFIX=$out")
    '' + /* Build libXNVCtrl */ ''
      make -C src/ $makeFlags build-xnvctrl
    '';
  
    makeFlags = [
  