anchor.diff:      fontconfig
       libva
       gst_all_1.gst-plugins-base
  +    pipewire
       # autoPatchelfHook complains if these are missing, even on wayland
       xorg.libXft
       xorg.libXinerama
  
positive.code: , copyDesktopItems
  , fontconfig
  , libpng
  , autoPatchelfHook
  }:
  
  
negative.code:     xorg.libXtst
    ];
  
    nativeBuildInputs = [ copyDesktopItems autoPatchelfHook makeWrapper ];
  
    postFixup = let
      GST_PLUGIN_PATH = lib.makeSearchPathOutput  "lib" "lib/gstreamer-1.0" [
        gst_all_1.gst-plugins-base
        pipewire
      ];
    in ''
      wrapProgram $out/bin/weylus --prefix GST_PLUGIN_PATH : ${GST_PLUGIN_PATH}
    '';
  
    meta = with lib; {
      description = "Use your tablet as graphic tablet/touch screen on your computer";
  