From 90342e0d29c17a3029d538f8c909fa4d8c003dc4 Mon Sep 17 00:00:00 2001
From: Kachanovskiy <sergey.kachanovskiy@gmx.de>
Date: Fri, 9 Mar 2018 22:24:23 +0100
Subject: [PATCH] Fixed issue #2979

---
 src/mtrie.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mtrie.hpp b/src/mtrie.hpp
index 4d5080af..b5ca3ac0 100644
--- a/src/mtrie.hpp
+++ b/src/mtrie.hpp
@@ -32,7 +32,7 @@
 
 #include "generic_mtrie.hpp"
 
-#if __cplusplus >= 201103L || defined(_MSC_VER)
+#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER > 1600)
 #define ZMQ_HAS_EXTERN_TEMPLATE 1
 #else
 #define ZMQ_HAS_EXTERN_TEMPLATE 0