+#if (GLIB_MAJOR_VERSION > 2 || (GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 31))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+ static GStaticMutex re_cache_mutex = G_STATIC_MUTEX_INIT;
+# pragma GCC diagnostic pop
+#else
+ static GStaticMutex re_cache_mutex = G_STATIC_MUTEX_INIT;
+#endif