3373 gcc >= 4.5 concerns about offsetof()

*** 24,35 ****
   */
  
  #ifndef _SA_STDDEF_H
  #define _SA_STDDEF_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * Exported interfaces for standalone's subset of libc's <stddef.h>.
   * All standalone code *must* use this header rather than libc's.
   */
  
--- 24,33 ----
*** 40,50 ****
  #ifndef NULL
  #define NULL    0
  #endif
  
  #ifndef offsetof
! #define offsetof(s, m)  (size_t)(&(((s *)0)->m))
  #endif
  
  #ifdef  __cplusplus
  }
  #endif
--- 38,52 ----
  #ifndef NULL
  #define NULL    0
  #endif
  
  #ifndef offsetof
! #if defined(__GNUC__)
! #define offsetof(s, m)  __builtin_offsetof(s, m)
! #else
! #define offsetof(s, m)  ((size_t)(&(((s *)0)->m)))
! #endif
  #endif
  
  #ifdef  __cplusplus
  }
  #endif