diff options
Diffstat (limited to 'misc/sys')
| -rw-r--r-- | misc/sys/cdefs.h | 9 |
1 files changed, 8 insertions, 1 deletions
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. */ |