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 */
17