diff options
Diffstat (limited to 'gcc/ginclude/stddef.h')
| -rw-r--r-- | gcc/ginclude/stddef.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h index 565ef7b8f84..1cc3cb4e75a 100644 --- a/gcc/ginclude/stddef.h +++ b/gcc/ginclude/stddef.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004, 2009 +/* Copyright (C) 1989, 1997, 1998, 1999, 2000, 2002, 2004, 2009, 2011 Free Software Foundation, Inc. This file is part of GCC. @@ -412,6 +412,20 @@ typedef __WINT_TYPE__ wint_t; /* Offset of member MEMBER in a struct of type TYPE. */ #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER) +#if (defined (__STDC_VERSION__) && __STDC_VERSION__ > 199901L) \ + || (defined(__cplusplus) && __cplusplus >= 201103L) +#ifndef _GCC_MAX_ALIGN_T +#define _GCC_MAX_ALIGN_T +/* Type whose alignment is supported in every context and is at least + as great as that of any standard type not using alignment + specifiers. */ +typedef struct { + long long __max_align_ll __attribute__((__aligned__(__alignof__(long long)))); + long double __max_align_ld __attribute__((__aligned__(__alignof__(long double)))); +} max_align_t; +#endif +#endif /* C1X or C++11. */ + #endif /* _STDDEF_H was defined this time */ #endif /* !_STDDEF_H && !_STDDEF_H_ && !_ANSI_STDDEF_H && !__STDDEF_H__ |