+# ------------------------------------------------------------------------------
+have_backlight=no
+AC_ARG_ENABLE(backlight, AS_HELP_STRING([--disable-backlight], [disable backlight tools]))
+if test "x$enable_backlight" != "xno"; then
+ have_backlight=yes
+fi
+AM_CONDITIONAL(ENABLE_BACKLIGHT, [test "$have_backlight" = "yes"])
+