include a header we use

diff --git a/src/xbt/OsSemaphore.hpp b/src/xbt/OsSemaphore.hpp
index f6e7083..e8bc29b 100644 (file)
--- a/src/xbt/OsSemaphore.hpp
+++ b/src/xbt/OsSemaphore.hpp
@@ -3,6 +3,8 @@
 /* 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. */
 
 /* 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. */
 

+#include <xbt/base.h>
+

 #include <condition_variable>
 #include <mutex>
 
 #include <condition_variable>
 #include <mutex>