From c61503838535703239fc2904ab75e734da08bac1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 24 Jan 2010 20:21:50 +0000
Subject: [PATCH] libs that need EH need RTTI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94376 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.rules | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile.rules b/Makefile.rules
index 6e95998a461..6f75d0475eb 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -374,6 +374,9 @@ endif
 # IF REQUIRES_EH=1 is specified then don't disable exceptions
 ifndef REQUIRES_EH
   CXX.Flags += -fno-exceptions
+else
+  # If the library requires EH, it also requires RTTI.
+  REQUIRES_RTTI := 1
 endif
 
 ifdef REQUIRES_FRAME_POINTER