diff --git a/make/depend.mk b/make/depend.mk
index b8c50013..9da5eb6d 100644
--- a/make/depend.mk
+++ b/make/depend.mk
@@ -1,6 +1,11 @@
-all: depend.mk
+DEPEND_CFLAGS   += -D__MAKEDEPEND__
+DEPEND_CPPFLAGS += -D__MAKEDEPEND__
+all.done: depend.mk
 
-include depend.mk
+ifneq ($(MAKECMDGOALS),clean)
+ifneq ($(MAKECMDGOALS),distclean)
+-include depend.mk
+endif
+endif
 
 clean: depclean
-