diff -r d03546ec1f57 -r 4c6b50e0021a config/debug/gdb.in
--- a/config/debug/gdb.in	Thu Jul 03 08:58:56 2008 +0000
+++ b/config/debug/gdb.in	Thu Aug 21 09:48:00 2008 +0000
@@ -96,7 +96,8 @@
 
 config GDB_V_6_5
     bool
-    prompt "6.5"
+    prompt "6.5 (OBSOLETE)"
+    depends on OBSOLETE
 
 config GDB_V_6_6
     bool