diff options
-rw-r--r-- | sys/sys/cdefs.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index 7d0c953..f8eae84 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -181,7 +181,7 @@ * software that is unaware of C99 keywords. */ #if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95) -#if __STDC_VERSION__ < 199901 +#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901 #define __restrict #else #define __restrict restrict @@ -369,13 +369,13 @@ */ /* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */ -#if _POSIX_C_SOURCE == 1 +#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1 #undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */ #define _POSIX_C_SOURCE 199009 #endif /* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */ -#if _POSIX_C_SOURCE == 2 +#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2 #undef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 199209 #endif |