build: Prevent duplicate inclusion of Makefile.rules, which causes make to warn
like crazy.
- How no one else is bothered by this I can't understand!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124873 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Makefile b/unittests/Makefile
index bf64f06..685e397 100644
--- a/unittests/Makefile
+++ b/unittests/Makefile
@@ -22,6 +22,7 @@
ifndef IS_UNITTEST_LEVEL
+MAKEFILE_UNITTEST_NO_INCLUDE_COMMON := 1
include $(LLVM_SRC_ROOT)/unittests/Makefile.unittest
endif # IS_UNITTEST_LEVEL