Xorg/lib/qt4/Config.in

   1 choice
   2         prompt "qt4 window system"
   3         depends on PACKAGE_qt4
   4         default QT4_WS_QWS
   5
   6 config QT4_WS_QWS
   7         bool "QWS window system"
   8         depends on FEATURE_drawing-backend_DirectFB
   9         help
  10           Use QT4's internal QWS window system.
  11
  12 config QT4_WS_X11
  13         bool "X11 window system"
  14         depends on FEATURE_drawing-backend_libX11
  15         help
  16           Use X11
  17
  18 endchoice