dnl CF_XKB_BELL_EXT version: 3 updated: 2009/02/13 16:00:39
dnl ---------------
dnl Check for XKB bell extension
AC_DEFUN([CF_XKB_BELL_EXT],[
AC_CACHE_CHECK(for XKB Bell extension, cf_cv_xkb_bell_ext,[
AC_TRY_LINK([
#include <X11/Intrinsic.h>
#include <X11/XKBlib.h>		/* has the prototype */
#include <X11/extensions/XKBbells.h>	/* has the XkbBI_xxx definitions */
],[
	int x = (XkbBI_Info |XkbBI_MinorError |XkbBI_MajorError |XkbBI_TerminalBell |XkbBI_MarginBell);
	Atom y;
	XkbBell((Display *)0, (Widget)0, 0, y);
],[cf_cv_xkb_bell_ext=yes],[cf_cv_xkb_bell_ext=no])
])
test "$cf_cv_xkb_bell_ext" = yes && AC_DEFINE(HAVE_XKB_BELL_EXT)
])
