[src/trunk]: src/sys/sys add __noclone for gcc 4.5.

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4a8a40915278
branches:  trunk
changeset: 770254:4a8a40915278
user:      chs <chs%NetBSD.org@localhost>
date:      Sun Oct 09 20:30:19 2011 +0000

description:
add __noclone for gcc 4.5.

diffstat:

 sys/sys/cdefs.h |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r 95050f20acdd -r 4a8a40915278 sys/sys/cdefs.h
--- a/sys/sys/cdefs.h   Sun Oct 09 18:25:28 2011 +0000
+++ b/sys/sys/cdefs.h   Sun Oct 09 20:30:19 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cdefs.h,v 1.87 2011/08/16 23:30:24 dyoung Exp $        */
+/*     $NetBSD: cdefs.h,v 1.88 2011/10/09 20:30:19 chs Exp $   */
 
 /*
  * Copyright (c) 1991, 1993
@@ -232,6 +232,12 @@
 #define        __noinline      /* nothing */
 #endif
 
+#if __GNUC_PREREQ__(4, 5)
+#define        __noclone       __attribute__((__noclone__))
+#else
+#define        __noclone       /* nothing */
+#endif
+
 #if __GNUC_PREREQ__(2, 7)
 #define        __unused        __attribute__((__unused__))
 #else