+# define SMCHECK
+#endif
+
+/*
+ * _USE_LOCKMGR does lock/unlock mutex tracking (dead lock)
+ * it can always be turned on, but we advise to use it only
+ * for debug
+ */
+#if DEVELOPER
+# ifndef _USE_LOCKMGR
+# define _USE_LOCKMGR
+# endif
+#endif
+
+#if !HAVE_LINUX_OS
+# undef _USE_LOCKMGR