-gss_log(const char *file, int line, int level, int status,
- const request_rec *r, const char *fmt, ...);
+gss_log(const char *file,
+ int line,
+#if AP_SERVER_MAJORVERSION_NUMBER == 2 && AP_SERVER_MINORVERSION_NUMBER == 4
+ int module_index,
+#endif
+ int level,
+ int status,
+ const request_rec *r,
+ const char *fmt, ...);