diff --git a/lib/Support/Makefile b/lib/Support/Makefile
index af2776cbfa3..f39b872be49 100644
--- a/lib/Support/Makefile
+++ b/lib/Support/Makefile
@@ -1,4 +1,4 @@
-##===- lib/Support/Makefile ------------------------------*- Makefile -*-===##
+##===- lib/Support/Makefile --------------------------------*- Makefile -*-===##
 # 
 #                     The LLVM Compiler Infrastructure
 #
@@ -11,4 +11,7 @@ LEVEL = ../..
 LIBRARYNAME = LLVMSupport
 BUILD_ARCHIVE = 1
 
+## FIXME: This only requires RTTI because tblgen uses it.  Fix that.
+REQUIRES_RTTI = 1
+
 include $(LEVEL)/Makefile.common