diff --git a/project/extras.mk b/project/extras.mk
index e69de29..43fc198 100644
--- a/project/extras.mk
+++ b/project/extras.mk
@@ -0,0 +1,2 @@
+SYS_MK_DIR               = $(DATADIR)/mk
+CFLAGS_CONFIG           += -D_PATH_DEFSYSPATH=\"$(SYS_MK_DIR)\"