From 295e904fe6cc5b2d0535ff6016a08b6162d7e22c Mon Sep 17 00:00:00 2001 From: Marek Polacek Date: Wed, 20 Jul 2011 12:35:29 -0400 Subject: Add const attr to gnu_dev_{major,minor,makedev} --- misc/sys/cdefs.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'misc/sys') diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index c9495a479e..165a94a64b 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992-2001, 2002, 2004, 2005, 2006, 2007, 2009 +/* Copyright (C) 1992-2001, 2002, 2004, 2005, 2006, 2007, 2009, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -218,6 +218,13 @@ # define __attribute_pure__ /* Ignore */ #endif +/* This declaration tells the compiler that the value is constant. */ +#if __GNUC_PREREQ (2,5) +# define __attribute_const__ __attribute__ ((__const__)) +#else +# define __attribute_const__ /* Ignore */ +#endif + /* At some point during the gcc 3.1 development the `used' attribute for functions was introduced. We don't want to use it unconditionally (although this would be possible) since it generates warnings. */ -- cgit 1.4.1