Note this patch depends on the pie patch.
---- httpd-2.4.1/include/http_log.h.orig 2011-12-03 00:19:04.000000000 +0100
-+++ httpd-2.4.1/include/http_log.h 2012-02-22 00:19:37.989185555 +0100
-@@ -280,7 +280,12 @@
+--- httpd-2.0.48/include/http_log.h.debuglog
++++ httpd-2.0.48/include/http_log.h
+@@ -280,7 +280,11 @@
* @see ap_log_rerror
* @see ap_log_cserror
*/
+#ifdef AP_FNAME
-+#define APLOG_MARK AP_FNAME,__LINE__,APLOG_MODULE_INDEX
++#define APLOG_MARK AP_FNAME,__LINE__,APLOG_MODULE_INDEX
+#else
#define APLOG_MARK __FILE__,__LINE__,APLOG_MODULE_INDEX
+#endif
-+
/**
* Set up for logging to stderr.
+