Hi, fde-vms.c is not the right place to include the unwinder fallback. Fixed by this patch.
Tristan. libgcc/ 2011-11-04 Tristan Gingold <ging...@adacore.com> * config/ia64/fde-vms.c: Do not include md-unwind-support.h Index: config/ia64/fde-vms.c =================================================================== --- config/ia64/fde-vms.c (revision 180927) +++ config/ia64/fde-vms.c (working copy) @@ -33,7 +33,6 @@ #include <stddef.h> #include <stdlib.h> #include <stdio.h> -#include "md-unwind-support.h" #include "unwind-ia64.h" #define __int64 long