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author | Darren Tucker <dtucker@zip.com.au> | 2014-05-01 02:24:35 +1000 |
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committer | Darren Tucker <dtucker@zip.com.au> | 2014-05-01 02:24:35 +1000 |
commit | f028460d0b2e5a584355321015cde69bf6fd933e (patch) | |
tree | d8e5d436741d71782dedf498317b52ce5888ed70 /defines.h | |
parent | b628cc4c3e4a842bab5e4584d18c2bc5fa4d0edf (diff) | |
download | openssh-git-f028460d0b2e5a584355321015cde69bf6fd933e.tar.gz |
- (dtucker) [defines.h] Define __GNUC_PREREQ__ macro if we don't already
have it. Only attempt to use __attribute__(__bounded__) for gcc.
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 */ |