diff options
| -rw-r--r-- | sys/sys/cdefs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index ad88d0c..f8456d8 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -305,6 +305,14 @@ #define __predict_false(exp) (exp) #endif +#if __GNUC_PREREQ__(4, 2) +#define __hidden __attribute((visibility("hidden"))) +#define __exported __attribute((visibility("default"))) +#else +#define __hidden +#define __exported +#endif + /* * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h> * require it. |
