From 185ea1a06ab5575059a876b0b6f46d5d2b0bd3ae Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Mon, 25 Apr 2016 13:18:50 +0200
Subject: [PATCH] this file should be compilable in C

---
 include/simgrid/s4u/mailbox.hpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/simgrid/s4u/mailbox.hpp b/include/simgrid/s4u/mailbox.hpp
index 4ee1d810f4..387f63b6d8 100644
--- a/include/simgrid/s4u/mailbox.hpp
+++ b/include/simgrid/s4u/mailbox.hpp
@@ -2,15 +2,16 @@
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
-#ifdef __cplusplus
 
 #ifndef SIMGRID_S4U_MAILBOX_HPP
 #define SIMGRID_S4U_MAILBOX_HPP
 
-#include <boost/unordered_map.hpp>
-
 #include <xbt/base.h>
 #include <simgrid/s4u/forward.hpp>
+
+#ifdef __cplusplus
+
+# include <boost/unordered_map.hpp>
 #include <simgrid/s4u/actor.hpp>
 
 namespace simgrid {
-- 
2.20.1