From 3de9ae4e6054bb420bea8ad5621a0b76552a3621 Mon Sep 17 00:00:00 2001
From: gregorycu <gregory.currie@gmail.com>
Date: Sat, 8 Oct 2016 23:58:47 +1100
Subject: Ensure std::unordered_ will be used on supported MSVC compilers

---
 src/util/cpp11_container.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/util/cpp11_container.h b/src/util/cpp11_container.h
index f839be19a..7ac2fc371 100644
--- a/src/util/cpp11_container.h
+++ b/src/util/cpp11_container.h
@@ -21,6 +21,14 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #define MT_CPP11CONTAINER_HEADER
 
 #if __cplusplus >= 201103L
+#define USE_UNORDERED_CONTAINERS
+#endif
+
+#if _MSC_VER >= 1800
+#define USE_UNORDERED_CONTAINERS
+#endif
+
+#ifdef USE_UNORDERED_CONTAINERS
 	#include <unordered_map>
 	#include <unordered_set>
 	#define UNORDERED_MAP std::unordered_map
-- 
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