1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 92b4d0be82..9aafe7cd6c 100644
--- a/Makefile
+++ b/Makefile
@@ -232,6 +232,9 @@ evaluate_subdirs= \
 # collect all object files eligible for building
 subdirs:=$(TOPLEVEL)
 $(eval $(call evaluate_subdirs))
+ifeq ($(FAILBUILD),1)
+$(error cannot continue build)
+endif
 
 # Eliminate duplicate mentions of source files in a class
 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))