--- libaitcfg/configure	2008/09/30 14:56:51	1.1.2.2
+++ libaitcfg/configure	2008/09/30 14:58:53	1.1.2.3
@@ -4494,7 +4494,7 @@ if test "${enable_debug+set}" = set; then
 			yes)
 
 cat >>confdefs.h <<\_ACEOF
-#define _DEBUG /**/
+#define __DEBUG /**/
 _ACEOF
 
 				;;