From d6c2c83bb6f6789569eb76ecd03892c4054e5b03 Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Tue, 11 Dec 2012 19:55:34 +0100
Subject: [PATCH] Fix '-fno-rtti' removal for tablegen tools.

Also just remove it on pre-3.2 builds.
---
 CMakeLists.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 13a225d7..b4adf979 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -322,7 +322,10 @@ add_executable(gen_gccbuiltins utils/gen_gccbuiltins.cpp)
 
 # Prior to LLVM 3.2, TableGen still uses RTTI, contrary to the rest of LLVM.
 # Thus, we have to remove the -fno-rtti flag from the llvm-config output.
-string(REPLACE "-fno-rtti " "" TABLEGEN_CXXFLAGS ${LLVM_CXXFLAGS})
+set(TABLEGEN_CXXFLAGS "${LLVM_CXXFLAGS}")
+if(${LDC_LLVM_VER} LESS 302)
+    string(REPLACE "-fno-rtti" "" TABLEGEN_CXXFLAGS ${TABLEGEN_CXXFLAGS})
+endif()
 
 set_target_properties(
     gen_gccbuiltins PROPERTIES