extern int mprAllocSprintf(char **msgbuf, int maxSize, const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
extern char *mprItoa(int num, char *buf, int width);
extern void mprLog(int level, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
-extern void mprBreakpoint(const char *file, int line, const char *msg) NORETURN_ATTRIBUTE;
+extern void mprBreakpoint(const char *file, int line, const char *msg) _NORETURN_;
#endif /* BLD_GOAHEAD_WEBSERVER */
extern MprArray *mprCreateArray(void);