diff --git a/make/defs.mk b/make/defs.mk
index fc653941..062eb8c1 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -2,6 +2,20 @@
 # contact@jannet.de
 # $Id$
 
+# ----- pre-local.mk
+
+ifneq ($(wildcard $(MODDIR)/make/pre-local.mk),)
+include $(MODDIR)/make/pre-local.mk
+endif
+
+ifneq ($(wildcard $(TOPDIR)/make/pre-local.mk),)
+include $(TOPDIR)/make/pre-local.mk
+endif
+
+ifneq ($(wildcard pre-local.mk),)
+include pre-local.mk
+endif
+
 # ----- standard variables
 
 PROJECT               ?= $(shell (cd $(TOPDIR); basename `pwd`))