From 3d6b7eb024a435354af9908855a08187359c3d65 Mon Sep 17 00:00:00 2001
From: Jae-hyeon Park <jhyeon@gmail.com>
Date: Mon, 11 Jul 2016 21:37:26 +0900
Subject: [PATCH] Prevent multiple inclusion of src/mathlink_macros.hpp

---
 src/mathlink_macros.hpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mathlink_macros.hpp b/src/mathlink_macros.hpp
index ee66baeb8..b03da644e 100644
--- a/src/mathlink_macros.hpp
+++ b/src/mathlink_macros.hpp
@@ -16,6 +16,9 @@
 // <http://www.gnu.org/licenses/>.
 // ====================================================================
 
+#ifndef MATHLINK_MACROS_H
+#define MATHLINK_MACROS_H
+
 #include "mathlink.h"
 
 #include <complex>
@@ -116,3 +119,5 @@ void MLPutRuleTo(MLINK link, T t, const std::string& name, const std::vector<std
    MLPutRule(link, name, heads);
    MLPut(link, t);
 }
+
+#endif // MATHLINK_MACROS_H