1  /* Test for overly eager multiple include optimization.
       2     Problem distilled from glibc 2.0.7's time.h, sys/time.h, timebits.h. 
       3     Problem noted by Tom Tromey <tromey@cygnus.com>.  */
       4  #ifdef need_x
       5  #undef need_x
       6  #ifndef have_x
       7  #define have_x
       8  extern int x;
       9  #endif
      10  #endif
      11  
      12  #ifndef t_h
      13  #define t_h
      14  extern int y;
      15  #endif