diff options
Diffstat (limited to 'misc/sys/cdefs.h')
| -rw-r--r-- | misc/sys/cdefs.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 539cbbc09f..24d5f315b7 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -19,7 +19,10 @@ #ifndef _SYS_CDEFS_H #define _SYS_CDEFS_H 1 +/* We are almost always included from features.h. */ +#ifndef _FEATURES_H #include <features.h> +#endif /* Some user header file might have defined this before. */ #undef __P @@ -152,8 +155,11 @@ #endif -/* No current version of gcc knows the `restrict' keyword. Define it - for now unconditionally to the empty string. */ -#define __restrict +/* __restrict is known in EGCS 1.2 and above. */ +#if !defined __GNUC__ || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 92) + +# define __restrict /* Ignore */ + +#endif #endif /* sys/cdefs.h */ |