Continue propagating the GoogleTest flags until we can update our version to
eliminate this problem. This will hopefully let us make progress on Linux
bootstrapping.

llvm-svn: 98095
diff --git a/llvm/utils/unittest/UnitTestMain/Makefile b/llvm/utils/unittest/UnitTestMain/Makefile
index 328d5e2..5c10049 100644
--- a/llvm/utils/unittest/UnitTestMain/Makefile
+++ b/llvm/utils/unittest/UnitTestMain/Makefile
@@ -14,7 +14,13 @@
 LIBRARYNAME = UnitTestMain
 BUILD_ARCHIVE = 1
 REQUIRES_RTTI = 1
+
 CPP.Flags += -I$(LLVM_SRC_ROOT)/utils/unittest/googletest/include
 CPP.Flags += $(NO_MISSING_FIELD_INITIALIZERS) $(NO_VARIADIC_MACROS)
+CPP.Flags += -DGTEST_HAS_RTTI=0
+# libstdc++'s TR1 <tuple> header depends on RTTI and uses C++'0x features not
+# supported by Clang, so force googletest to use its own tuple implementation.
+# When we import googletest >=1.4.0, we can drop this line.
+CPP.Flags += -DGTEST_HAS_TR1_TUPLE=0
 
 include $(LEVEL)/Makefile.common