diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/features.h b/include/features.h index cb0844ddda..3288bb501c 100644 --- a/include/features.h +++ b/include/features.h @@ -262,18 +262,21 @@ # define __USE_REENTRANT 1 #endif -#if _FORTIFY_SOURCE > 0 && __OPTIMIZE__ > 0 \ +#if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \ + && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 \ && (__GNUC_PREREQ (4, 1) \ || (defined __GNUC_RH_RELEASE__ && __GNUC_PREREQ (4, 0)) \ || (defined __GNUC_RH_RELEASE__ && __GNUC_PREREQ (3, 4) \ && __GNUC_MINOR__ == 4 \ && (__GNUC_PATCHLEVEL__ > 2 \ || (__GNUC_PATCHLEVEL__ == 2 && __GNUC_RH_RELEASE__ >= 8)))) -# if _FORTIFY_SOURCE == 1 -# define __USE_FORTIFY_LEVEL 1 -# elif _FORTIFY_SOURCE > 1 +# if _FORTIFY_SOURCE > 1 # define __USE_FORTIFY_LEVEL 2 +# else +# define __USE_FORTIFY_LEVEL 1 # endif +#else +# define __USE_FORTIFY_LEVEL 0 #endif /* We do support the IEC 559 math functionality, real and complex. */ |