diff options
Diffstat (limited to 'defines.h')
-rw-r--r-- | defines.h | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -25,7 +25,7 @@ #ifndef _DEFINES_H #define _DEFINES_H -/* $Id: defines.h,v 1.177 2014/04/20 03:21:23 djm Exp $ */ +/* $Id: defines.h,v 1.178 2014/04/30 16:24:35 dtucker Exp $ */ /* Constants */ @@ -826,9 +826,17 @@ struct winsize { # define arc4random_stir() #endif +/* Macro to test if we're using a specific version of gcc or later. */ +#if defined(__GNUC__) && !defined(__GNUC_PREREQ__) +#define __GNUC_PREREQ__(ma, mi) \ + ((__GNUC__ > (ma)) || (__GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))) +#else +#define __GNUC_PREREQ__(ma, mi) 0 +#endif + /* __bounded macro */ #ifndef __bounded -# if __GNUC_PREREQ__(3,3) && !defined(__clang__) +# if defined(__GNUC__) && __GNUC_PREREQ__(3,3) && !defined(__clang__) # define __bounded(args) __attribute__ ((__bounded__ args )) # else # define __bounded(args) /* delete */ |