#include <simgrid_config.h>
-#if !defined(SIMGRID_VERSION) // ==================== SimGrid <= 3.5 === //
-# error "Unsupported SimGrid version. Need version > 3.5"
-#endif // ============================================================== //
-
-#if SIMGRID_VERSION < MAKE_SIMGRID_VERSION(3, 8, 0) // ==== SG < 3.8 === //
-# define MSG_init(argc, argv) MSG_global_init(argc, argv)
-# define msg_error_t MSG_error_t
-# define msg_host_t m_host_t
-# define msg_process_t m_process_t
-# define msg_task_t m_task_t
-#else // =============================================================== //
-# define MSG_clean() MSG_OK
-#endif // ============================================================== //
+#if !defined(SIMGRID_VERSION) || SIMGRID_VERSION < 31200UL // == SG < 3.12 == //
+# error "Unsupported SimGrid version. Need version >= 3.12"
+#endif // =================================================================== //
#endif // !SIMGRID_FEATURES_H
