/^#undef HAVE_X11 *$/s/undef/define/
/^#undef HAVE_X_MENU *$/s/undef/define/
/^#undef HAVE_XSCREENNUMBEROFSCREEN *$/s/undef/define/
/^#undef HAVE_X11 *$/s/undef/define/
/^#undef HAVE_X_MENU *$/s/undef/define/
/^#undef HAVE_XSCREENNUMBEROFSCREEN *$/s/undef/define/