Tools require EH for their top-level try blocks.

llvm-svn: 29035
diff --git a/llvm/tools/llvm-ranlib/Makefile b/llvm/tools/llvm-ranlib/Makefile
index b97c17c..1379532 100644
--- a/llvm/tools/llvm-ranlib/Makefile
+++ b/llvm/tools/llvm-ranlib/Makefile
@@ -11,5 +11,6 @@
 TOOLNAME = llvm-ranlib
 USEDLIBS = LLVMArchive.a LLVMBCReader.a \
 	   LLVMCore.a LLVMSupport.a LLVMbzip2.a LLVMSystem.a
+REQUIRES_EH := 1
 
 include $(LEVEL)/Makefile.common