+2004-09-01 Andreas Schwab <schwab@suse.de>
+
+ * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h [g++ >= 3.5]: Use
+ __builtin_offsetof.
+
2004-09-01 Jakub Jelinek <jakub@redhat.com>
[BZ #361]
-/* Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
typedef struct sigcontext mcontext_t;
-#ifdef __GNUC__
+#if defined __cplusplus && __GNUC_PREREQ (3, 5)
+# define _SC_GR0_OFFSET \
+ __builtin_offsetof (struct sigcontext, sc_gr[0])
+#elif defined __GNUC__
# define _SC_GR0_OFFSET \
(((char *) &((struct sigcontext *) 0)->sc_gr[0]) - (char *) 0)
#else