diff --git a/rules/Makefile b/rules/Makefile
index e2de40f77..988b6e89e 100644
--- a/rules/Makefile
+++ b/rules/Makefile
@@ -13,6 +13,8 @@
 
 all: parser.y.go lexer.l.go
 
+include ../Makefile.INCLUDE
+
 parser.y.go: parser.y
 	$(GOCC) tool yacc -o parser.y.go -v "" parser.y