[s4u] Headers cleanup

[simgrid.git] / include / simgrid / s4u / mutex.hpp

diff --git a/include/simgrid/s4u/mutex.hpp b/include/simgrid/s4u/mutex.hpp
index bf4e00d..e6a1ed5 100644 (file)
--- a/include/simgrid/s4u/mutex.hpp
+++ b/include/simgrid/s4u/mutex.hpp
@@ -9,6 +9,8 @@
 #include <mutex>
 #include <utility>
 
+#include <boost/intrusive_ptr.hpp>
+
 #include <xbt/base.h>
 #include "simgrid/simix.h"