diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/sys/cdefs.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 04db9563fb..01e81ba9f1 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -131,7 +131,6 @@ /* Fortify support. */ #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1) #define __bos0(ptr) __builtin_object_size (ptr, 0) -#define __fortify_function __extern_always_inline __attribute_artificial__ #if __GNUC_PREREQ (4,3) # define __warndecl(name, msg) \ @@ -318,12 +317,13 @@ # define __attribute_artificial__ /* Ignore */ #endif -#ifdef __GNUC__ -/* One of these will be defined if the __gnu_inline__ attribute is - available. In C++, __GNUC_GNU_INLINE__ will be defined even though - __inline does not use the GNU inlining rules. If neither macro is - defined, this version of GCC only supports GNU inline semantics. */ -# if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ +/* GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 + inline semantics, unless -fgnu89-inline is used. Using __GNUC_STDC_INLINE__ + or __GNUC_GNU_INLINE is not a good enough check for gcc because gcc versions + older than 4.3 may define these macros and still not guarantee GNU inlining + semantics. */ +#if !defined __cplusplus || __GNUC_PREREQ (4,3) +# if defined __GNUC_STDC_INLINE__ || defined __cplusplus # define __extern_inline extern __inline __attribute__ ((__gnu_inline__)) # define __extern_always_inline \ extern __always_inline __attribute__ ((__gnu_inline__)) @@ -331,9 +331,10 @@ # define __extern_inline extern __inline # define __extern_always_inline extern __always_inline # endif -#else /* Not GCC. */ -# define __extern_inline /* Ignore */ -# define __extern_always_inline /* Ignore */ +#endif + +#ifdef __extern_always_inline +# define __fortify_function __extern_always_inline __attribute_artificial__ #endif /* GCC 4.3 and above allow passing all anonymous arguments of an |