diff options
Diffstat (limited to 'include/sys/cdefs.h')
| -rw-r--r-- | include/sys/cdefs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index a4359a05c..5c4daebcd 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -330,6 +330,17 @@ # endif #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 + + /* GCC 4.3 and above allow passing all anonymous arguments of an __extern_always_inline function to some other vararg function. */ #if __GNUC_PREREQ (4,3) |