anchor.diff:  
     buildInputs = [
       qtbase
  +    qt5.qtx11extras
  +  ] ++ lib.optionals stdenv.isLinux [
  +    xorg.libxcb
     ];
   
     postPatch = ''
       # Fix plugin dir
  -    substituteInPlace style/CMakeLists.txt \
  +    substituteInPlace src/style/CMakeLists.txt \
          --replace "DESTINATION \"\''${QT_PLUGINS_DIR}/styles" "DESTINATION \"$qtPluginPrefix/styles"
     '';
   
  
positive.code: { mkDerivation, lib, fetchFromGitHub, nix-update-script, cmake, ninja, qtbase, pantheon }:
  
  mkDerivation rec {
    pname = "adwaita-qt";
    version = "1.1.4";
  
    src = fetchFromGitHub {
      owner = "FedoraQt";
      repo = pname;
      rev = version;
      sha256 = "19s97wm96g3828dp8m85j3lsn1n6h5h2zqk4652hcqcgq6xb6gv5";
    };
  
    nativeBuildInputs = [
  
negative.code:     homepage = "https://github.com/FedoraQt/adwaita-qt";
      license = licenses.gpl2Plus;
      maintainers = teams.gnome.members ++ (with maintainers; [ ]);
      platforms = platforms.all;
    };
  }
  