From f72490950a178ecf667181eb8c2b2243ba400e8d Mon Sep 17 00:00:00 2001
From: mazocomp <33579456+mazocomp@users.noreply.github.com>
Date: Fri, 20 Apr 2018 20:55:23 +0300
Subject: Fix C++11 feature detection for undefined _MSC_VER (#7255)

---
 src/util/cpp11.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/util/cpp11.h')

diff --git a/src/util/cpp11.h b/src/util/cpp11.h
index 14913cb86..17903f2e3 100644
--- a/src/util/cpp11.h
+++ b/src/util/cpp11.h
@@ -20,7 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef MT_CPP11_HEADER
 #define MT_CPP11_HEADER
 
-#if __cplusplus < 201103L || _MSC_VER < 1600
+#if __cplusplus < 201103L || (defined(_MSC_VER) && _MSC_VER < 1600)
 #define USE_CPP11_FAKE_KEYWORD
 #endif
 
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