diff options
Diffstat (limited to 'include/ruby/defines.h')
| -rw-r--r-- | include/ruby/defines.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/ruby/defines.h b/include/ruby/defines.h index 8603ade340..213956c3eb 100644 --- a/include/ruby/defines.h +++ b/include/ruby/defines.h @@ -217,7 +217,12 @@ RUBY_SYMBOL_EXPORT_BEGIN #if GCC_VERSION_SINCE(4,3,0) # define RUBY_ATTR_ALLOC_SIZE(params) __attribute__ ((alloc_size params)) -#else +#elif defined(__has_attribute) +# if __has_attribute(alloc_size) +# define RUBY_ATTR_ALLOC_SIZE(params) __attribute__((__alloc_size__ params)) +# endif +#endif +#ifndef RUBY_ATTR_ALLOC_SIZE # define RUBY_ATTR_ALLOC_SIZE(params) #endif |