From 7a90ead051545d0356681c9f8d53db98b5ee30a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20W=2E=20Urba=C5=84czyk?= <mwu-tow@gazeta.pl>
Date: Thu, 1 Aug 2013 11:58:30 +0000
Subject: [PATCH] VS-2013 issue.

---
 client/battle/CBattleInterface.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/client/battle/CBattleInterface.cpp b/client/battle/CBattleInterface.cpp
index c23475c4f..6e2f82c1e 100644
--- a/client/battle/CBattleInterface.cpp
+++ b/client/battle/CBattleInterface.cpp
@@ -34,11 +34,11 @@
 #include "../gui/CGuiHandler.h"
 #include "../CMT.h"
 
-#ifndef __GNUC__
-const double M_PI = 3.14159265358979323846;
-#else
+#if defined(_MSC_VER) && _MSC_VER >= 1800
 #define _USE_MATH_DEFINES
 #include <cmath>
+#else
+const double M_PI = 3.14159265358979323846;
 #endif
 #include "../../lib/UnlockGuard.h"