i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/bits/a.out.h

   1 #ifndef __A_OUT_GNU_H__
   2 # error "Never use <bits/a.out.h> directly; include <a.out.h> instead."
   3 #endif
   4
   5 #ifdef __x86_64__
   6
   7 /* Signal to users of this header that this architecture really doesn't
   8    support a.out binary format.  */
   9 #define __NO_A_OUT_SUPPORT 1
  10
  11 #endif