--- linuxwacom-0.8.3-2/src/xdrv/Makefile.am.orig	2009-04-03 21:31:24.000000000 +0200
+++ linuxwacom-0.8.3-2/src/xdrv/Makefile.am.orig	2009-07-28 16:29:23.000000000 +0200
@@ -62,7 +62,7 @@ 
 
 .depend: Makefile
 	@rm -f .depend
-	$(CC) -MM $(CFLAGS) $(DEPFLAGS) $(DRIVER_INCLUDES) $(XF86OBJS:%.o=$(srcdir)/%.c) > .depend
+	$(CC) -MM $(CPPFLAGS) $(DEPFLAGS) $(DRIVER_INCLUDES) $(XF86OBJS:%.o=$(srcdir)/%.c) > .depend
 
 -include .depend