diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/features.h b/include/features.h index e46bb2b373..774ff22206 100644 --- a/include/features.h +++ b/include/features.h @@ -299,8 +299,13 @@ #endif #if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \ - && __GNUC_PREREQ (4, 1) && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 -# if _FORTIFY_SOURCE > 1 + && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 +# if !__GNUC_PREREQ (4, 1) +# ifdef __GNUC_RH_RELEASE__ +# warning _FORTIFY_SOURCE supported only with GCC 4.1 and later +# endif +# define __USE_FORTIFY_LEVEL 0 +# elif _FORTIFY_SOURCE > 1 # define __USE_FORTIFY_LEVEL 2 # else # define __USE_FORTIFY_LEVEL 1 |