===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/eval.c,v
retrieving revision 1.33
retrieving revision 1.34
diff -c -r1.33 -r1.34
*** src/usr.bin/m4/eval.c	2001/09/18 14:17:38	1.33
--- src/usr.bin/m4/eval.c	2001/09/18 14:43:22	1.34
***************
*** 1,4 ****
! /*	$OpenBSD: eval.c,v 1.33 2001/09/18 14:17:38 espie Exp $	*/
  /*	$NetBSD: eval.c,v 1.7 1996/11/10 21:21:29 pk Exp $	*/
  
  /*
--- 1,4 ----
! /*	$OpenBSD: eval.c,v 1.34 2001/09/18 14:43:22 espie Exp $	*/
  /*	$NetBSD: eval.c,v 1.7 1996/11/10 21:21:29 pk Exp $	*/
  
  /*
***************
*** 41,47 ****
  #if 0
  static char sccsid[] = "@(#)eval.c	8.2 (Berkeley) 4/27/95";
  #else
! static char rcsid[] = "$OpenBSD: eval.c,v 1.33 2001/09/18 14:17:38 espie Exp $";
  #endif
  #endif /* not lint */
  
--- 41,47 ----
  #if 0
  static char sccsid[] = "@(#)eval.c	8.2 (Berkeley) 4/27/95";
  #else
! static char rcsid[] = "$OpenBSD: eval.c,v 1.34 2001/09/18 14:43:22 espie Exp $";
  #endif
  #endif /* not lint */
  
***************
*** 84,89 ****
--- 84,90 ----
  static void	expand_macro __P((const char *[], int));
  static void	dump_one_def __P((ndptr));
  
+ unsigned long	expansion_id;
  
  /*
   * eval - eval all macros and builtins calls
***************
*** 94,99 ****
--- 95,101 ----
  	int argc;
  	int td;
  {
+ 	expansion_id++;
  	if (td & RECDEF) 
  		errx(1, "%s at line %lu: expanding recursive definition for %s",
  			CURRENT_NAME, CURRENT_LINE, argv[1]);