diff options
Diffstat (limited to 'include/ruby/3/has/attribute.h')
| -rw-r--r-- | include/ruby/3/has/attribute.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/include/ruby/3/has/attribute.h b/include/ruby/3/has/attribute.h index 14c4ff5596..39ce321a4f 100644 --- a/include/ruby/3/has/attribute.h +++ b/include/ruby/3/has/attribute.h @@ -24,8 +24,18 @@ #include "ruby/3/compiler_since.h" #include "ruby/3/token_paste.h" +#ifndef __has_attribute +# /* Don't bother. */ +#elif RUBY3_COMPILER_IS(GCC) && ! __has_attribute(pure) +# /* FreeBSD's <sys/cdefs.h> defines its own *broken* version of +# * __has_attribute. Cygwin copied that content to be a victim of the broken- +# * ness. We don't take them into account. */ +#else +# define RUBY3_HAVE___HAS_ATTRIBUTE 1 +#endif + /** Wraps (or simulates) `__has_attribute`. */ -#if defined(__has_attribute) +#if defined(RUBY3_HAVE___HAS_ATTRIBUTE) # define RUBY3_HAS_ATTRIBUTE(_) __has_attribute(_) #elif RUBY3_COMPILER_IS(GCC) |