-// fixme: dirty hack
-#if defined(XBT_RUNNING_CTX_INITIALIZER)
-# define MSG_WAIT_DESTROYS_COMMS 0
-#else
-# define MSG_WAIT_DESTROYS_COMMS 1
-#endif
+#include <simgrid_config.h>
+
+#if !defined(SIMGRID_VERSION) || SIMGRID_VERSION < 31800UL // == SG < 3.18 == //
+# error "Unsupported SimGrid version. Need version >= 3.18"
+#endif // =================================================================== //