From 90db5bb63146104846ca77003ce52fd66339f755 Mon Sep 17 00:00:00 2001
From: Orvid King <blah38621@gmail.com>
Date: Tue, 28 Jul 2015 14:09:55 -0700
Subject: [PATCH] Add detection of MSVC RTTI

Summary: This adds MSVC support to the detection of FOLLY_HAS_RTTI.
Closes #255

Reviewed By: @yfeldblum

Differential Revision: D2283036

Pulled By: @sgolemon
---
 folly/Portability.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/folly/Portability.h b/folly/Portability.h
index 40a62603..0e8e1108 100644
--- a/folly/Portability.h
+++ b/folly/Portability.h
@@ -280,7 +280,8 @@ inline size_t malloc_usable_size(void* ptr) {
 #endif
 
 // RTTI may not be enabled for this compilation unit.
-#if defined(__GXX_RTTI) || defined(__cpp_rtti)
+#if defined(__GXX_RTTI) || defined(__cpp_rtti) || \
+    (defined(_MSC_VER) && defined(_CPPRTTI))
 # define FOLLY_HAS_RTTI 1
 #endif
 
-- 
2.34.1