-#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, 7, 0)
-
-#define MSG_task_set_category(task, cat) TRACE_msg_set_task_category(task, cat)
-
+#if defined(__has_include)
+# if __has_include(<simgrid/config.h>)
+# include <simgrid/config.h>
+# else
+# include <simgrid_config.h>
+# endif
+#else
+# warning "__has_include is not defined"