-#if SIMGRID_VERSION < MAKE_SIMGRID_VERSION(3, 7, 0)
-
-#define MSG_task_set_category(task, cat) TRACE_msg_set_task_category(task, cat)
-
-#endif
+#if SIMGRID_VERSION < MAKE_SIMGRID_VERSION(3, 8, 0) // ==== SG < 3.8 === //
+# define MSG_init(argc, argv) MSG_global_init(argc, argv)
+#endif // ============================================================== //