diff options
Diffstat (limited to 'include/ruby/3/stdalign.h')
| -rw-r--r-- | include/ruby/3/stdalign.h | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/include/ruby/3/stdalign.h b/include/ruby/3/stdalign.h index 294a6410c4..ccc68b66df 100644 --- a/include/ruby/3/stdalign.h +++ b/include/ruby/3/stdalign.h @@ -1,4 +1,6 @@ -/** \noop-*-C++-*-vi:ft=cpp +#ifndef RUBY3_STDALIGN_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RUBY3_STDALIGN_H +/** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. @@ -48,10 +50,7 @@ * - You cannot `struct _Alignas`. * - A `typedef` cannot have alignments. */ -#if defined(RUBY3_ALIGNAS) -# /* OK, take that. */ - -#elif defined(__cplusplus) && RUBY3_HAS_FEATURE(cxx_alignas) +#if defined(__cplusplus) && RUBY3_HAS_FEATURE(cxx_alignas) # define RUBY3_ALIGNAS alignas #elif defined(__cplusplus) && (__cplusplus >= 201103L) @@ -77,10 +76,7 @@ * Wraps (or simulates) `alignof`. Unlike #RUBY3_ALIGNAS, we can safely say * both C/C++ definitions are effective. */ -#ifdef RUBY3_ALIGNOF -# /* OK, take that. */ - -#elif defined(__cplusplus) && RUBY3_HAS_EXTENSION(cxx_alignof) +#if defined(__cplusplus) && RUBY3_HAS_EXTENSION(cxx_alignof) # define RUBY3_ALIGNOF __extension__ alignof #elif defined(__cplusplus) && (__cplusplus >= 201103L) @@ -122,3 +118,5 @@ #else # error :FIXME: add your compiler here to obtain an alignment. #endif + +#endif /* RUBY3_STDALIGN_H */ |