glibc/sysdeps/unix/sysv/linux/m68k/bits/a.out.h

#ifndef __A_OUT_GNU_H__
# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
#endif
	`#ifndef __A_OUT_GNU_H__`
	`# error "Never use <bits/a.out.h> directly; include <a.out.h> instead."`
	`#endif`