anchor.diff:      dbus
     ] ++ lib.optionals enableVideo [
       libv4l
  -    gtk2
  +    gtk3
       qt5.qtbase
       qt5.qtx11extras
     ];
  
positive.code: , libX11
  , libv4l
  , qt5
  , gtk2
  , xmlto
  , docbook_xsl
  , autoreconfHook
  
negative.code:     "--with-dbusconfdir=${placeholder "out"}/etc"
    ] else [
      "--without-dbus"
    ]) ++ (if enableVideo then [
      "--with-gtk=gtk3"
    ] else [
      "--disable-video"
      "--without-gtk"
      "--without-qt"
    ]);
  
    dontWrapQtApps = true;
    dontWrapGApps = true;
  
    postFixup = lib.optionalString enableVideo ''
      wrapProgram "$out/bin/zbarcam-gtk" "''${gappsWrapperArgs[@]}"
      wrapQtApp "$out/bin/zbarcam-qt"
    '';
  
  