diff options
| -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 822fe4987b..89f00dfe07 100644 --- a/include/features.h +++ b/include/features.h @@ -262,12 +262,15 @@ # define __USE_REENTRANT 1 #endif -#if _FORTIFY_SOURCE > 0 && __GNUC_PREREQ (4, 1) && __OPTIMIZE__ > 0 -# if _FORTIFY_SOURCE == 1 -# define __USE_FORTIFY_LEVEL 1 -# elif _FORTIFY_SOURCE > 1 +#if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 \ + && __GNUC_PREREQ (4, 1) && defined __OPTIMIZE__ && __OPTIMIZE__ > 0 +# 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. */ |