anchor.diff:  
     mesonFlags = [
       "-Dgtk_doc=true"
  +    "-Dglade_catalog=${if enableGlade then "enabled" else "disabled"}"
     ];
   
     # Uses define_variable in pkg-config, but we still need it to use the glade output
  
positive.code:     updateScript = gnome3.updateScript {
        packageName = pname;
      };
    };
  
    meta = with lib; {
  
negative.code: 
    buildInputs = [
      gdk-pixbuf
      gtk3
      libxml2
    ] ++ lib.optionals enableGlade [
      glade
    ];
  
    checkInputs = [
  