-#if __GNUC__ > 4
-#define BEGIN_RTS_PRIVATE #pragma GCC visibility push(hidden)
-#define END_RTS_PRIVATE #pragma GCC visibility pop
-#else
-#define BEGIN_RTS_PRIVATE /* disabled: BEGIN_RTS_PRIVATE */
-#define END_RTS_PRIVATE /* disabled: END_RTS_PRIVATE */
-#endif
-
-#if __GNUC__ > 4