+TOOLTIP_SUPPORT=
+WINDOW_SUPPORT=
+## If we're using X11/GNUstep, define some consequences.
+if test "$HAVE_X_WINDOWS" = "yes" || test "$HAVE_NS" = "yes"; then
+ AC_DEFINE(HAVE_WINDOW_SYSTEM, 1, [Define if you have a window system.])
+ AC_DEFINE(HAVE_MOUSE, 1, [Define if you have mouse support.])
+ MOUSE_SUPPORT="\$(REAL_MOUSE_SUPPORT)"
+ TOOLTIP_SUPPORT="\${lispsource}mouse.elc"
+
+ WINDOW_SUPPORT="\$(BASE_WINDOW_SUPPORT)"
+ test "$HAVE_X_WINDOWS" = "yes" && \
+ WINDOW_SUPPORT="$WINDOW_SUPPORT \$(X_WINDOW_SUPPORT)"
+
+fi
+AC_SUBST(MOUSE_SUPPORT)
+AC_SUBST(TOOLTIP_SUPPORT)
+AC_SUBST(WINDOW_SUPPORT)
+
+