anchor.diff:      xorg.libxkbfile
     ];
   
  +  propagatedUserEnvPkgs = [
  +    gnome-themes-standard
  +    libgnomekbd
  +  ];
  +
     postUnpack = ''
       rm -v $sourceRoot/configure
     '';
  
positive.code:     sha256Url = "mirror://gnome/sources/gnome-control-center/${versionMajor}/${name}.sha256sum";
      sha256 = "ce6474fc60f78ed3cfaf555e55a52ec3ebb6437fa184e08ad6077bbec380a1ed";
    };
  
    propagatedUserEnvPkgs = [
      gnome-themes-standard
      libgnomekbd
    ];
  
    nativeBuildInputs = [
      autoreconfHook
  
negative.code:     enFlag
      optionalString;
  in
  stdenv.mkDerivation rec {
    name = "gnome-control-center-${version}";
    versionMajor = "3.20";
  