1: /* This file should define __BYTE_ORDER as appropriate for the machine
    2:    in question.  See string/endian.h for how to define it.
    3: 
    4:    If only the stub bits/endian.h applies to a particular configuration,
    5:    bytesex.h is generated by running a program on the host machine.
    6:    So if cross-compiling to a machine with a different byte order,
    7:    the bits/endian.h file for that machine must exist.  */
    8: 
    9: #ifndef _ENDIAN_H
   10: # error "Never use <bits/endian.h> directly; include <endian.h> instead."
   11: #endif
   12: 
   13: #error Machine byte order unknown.