diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/sys/cdefs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 3f6fe3cc85..8d585680a6 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -431,6 +431,16 @@ # define __attribute_nonstring__ #endif +/* Undefine (also defined in libc-symbols.h). */ +#undef __attribute_copy__ +#if __GNUC_PREREQ (9, 0) +/* Copies attributes from the declaration or type referenced by + the argument. */ +# define __attribute_copy__(arg) __attribute__ ((__copy__ (arg))) +#else +# define __attribute_copy__(arg) +#endif + #if (!defined _Static_assert && !defined __cplusplus \ && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \ && (!__GNUC_PREREQ (4, 6) || defined __STRICT_ANSI__)) |