1#ifndef _BITS_ENDIANNESS_H
 2#define _BITS_ENDIANNESS_H 1
 3
 4#ifndef _BITS_ENDIAN_H
 5# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
 6#endif
 7
 8/* PowerPC has selectable endianness.  */
 9#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
10# define __BYTE_ORDER __BIG_ENDIAN
11#endif
12#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
13# define __BYTE_ORDER __LITTLE_ENDIAN
14#endif
15
16#endif /* bits/endianness.h */