diff --git a/Makefile b/Makefile
index c65bfb34..eb883db7 100644
--- a/Makefile
+++ b/Makefile
@@ -66,6 +66,7 @@ $(foreach B,$(BUILD_ITEMS),$(eval \
 %.mk: ;
 make/%.mk: ;
 
+BUILDRULES ?= libtool
 include make/rules.mk
 
 DUMMY := $(shell mkdir $(foreach B,$(BUILD_ITEMS),$(B)/$(OUTPUT_DIR)) 2>/dev/null)