diff options
Diffstat (limited to 'gl/stddef.in.h')
| -rw-r--r-- | gl/stddef.in.h | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/gl/stddef.in.h b/gl/stddef.in.h index 5398faf78b..86777bd315 100644 --- a/gl/stddef.in.h +++ b/gl/stddef.in.h @@ -83,23 +83,12 @@ /* Some platforms lack max_align_t. */ #if !@HAVE_MAX_ALIGN_T@ -/* On the x86, the maximum storage alignment of double, long, etc. is 4, - but GCC's C11 ABI for x86 says that max_align_t has an alignment of 8, - and the C11 standard allows this. Work around this problem by - using __alignof__ (which returns 8 for double) rather than _Alignof - (which returns 4), and align each union member accordingly. */ -# ifdef __GNUC__ -# define _GL_STDDEF_ALIGNAS(type) \ - __attribute__ ((__aligned__ (__alignof__ (type)))) -# else -# define _GL_STDDEF_ALIGNAS(type) /* */ -# endif typedef union { - char *__p _GL_STDDEF_ALIGNAS (char *); - double __d _GL_STDDEF_ALIGNAS (double); - long double __ld _GL_STDDEF_ALIGNAS (long double); - long int __i _GL_STDDEF_ALIGNAS (long int); + char *__p; + double __d; + long double __ld; + long int __i; } max_align_t; #endif |