From 243bbf4b75c44e212f3daeb266ca230b13b35fc8 Mon Sep 17 00:00:00 2001
From: Artyom Polkovnikov <artyom.polkovnikov@gmail.com>
Date: Fri, 14 Nov 2014 18:34:57 +0300
Subject: [PATCH] [3party/glm] C++11 constexpr is not defined for MSVC <=
 v18.00, disable it for these versions.

---
 3party/glm/glm/detail/setup.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/3party/glm/glm/detail/setup.hpp b/3party/glm/glm/detail/setup.hpp
index c982c469fe..7f5d810f17 100755
--- a/3party/glm/glm/detail/setup.hpp
+++ b/3party/glm/glm/detail/setup.hpp
@@ -771,6 +771,12 @@ namespace glm
 
 #if GLM_HAS_CONSTEXPR
 #	define GLM_CONSTEXPR constexpr
+// TODO(artyom): LowPriority. constexpr doesn't work in MSVC <= 18.00. Maybe some other nice workaround?
+# ifdef _MSC_VER
+#   if _MSC_VER <= 1800
+#     define GLM_CONSTEXPR
+#   endif
+# endif
 #else
 #	define GLM_CONSTEXPR
 #endif