===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/make/parse.c,v
retrieving revision 1.121
retrieving revision 1.122
diff -c -r1.121 -r1.122
*** src/usr.bin/make/parse.c	2018/09/20 11:41:28	1.121
--- src/usr.bin/make/parse.c	2019/12/21 15:29:25	1.122
***************
*** 1,4 ****
! /*	$OpenBSD: parse.c,v 1.121 2018/09/20 11:41:28 jsg Exp $	*/
  /*	$NetBSD: parse.c,v 1.29 1997/03/10 21:20:04 christos Exp $	*/
  
  /*
--- 1,4 ----
! /*	$OpenBSD: parse.c,v 1.122 2019/12/21 15:29:25 espie Exp $	*/
  /*	$NetBSD: parse.c,v 1.29 1997/03/10 21:20:04 christos Exp $	*/
  
  /*
***************
*** 240,246 ****
   *
   * Side Effects:
   *	New elements are added to the parents list of cgn and the
!  *	children list of cgn. the unmade field of pgn is updated
   *	to reflect the additional child.
   *---------------------------------------------------------------------
   */
--- 240,246 ----
   *
   * Side Effects:
   *	New elements are added to the parents list of cgn and the
!  *	children list of cgn. the children_left field of pgn is updated
   *	to reflect the additional child.
   *---------------------------------------------------------------------
   */
***************
*** 250,256 ****
  	if (Lst_AddNew(&pgn->children, cgn)) {
  		if (specType == SPECIAL_NONE)
  			Lst_AtEnd(&cgn->parents, pgn);
! 		pgn->unmade++;
  	}
  }
  
--- 250,256 ----
  	if (Lst_AddNew(&pgn->children, cgn)) {
  		if (specType == SPECIAL_NONE)
  			Lst_AtEnd(&cgn->parents, pgn);
! 		pgn->children_left++;
  	}
  }
  
***************
*** 361,371 ****
  ParseAddDep(GNode *p, GNode *s)
  {
  	if (p->order < s->order) {
! 		/* XXX: This can cause loops, and loops can cause unmade
! 		 * targets, but checking is tedious, and the debugging output
! 		 * can show the problem.  */
  		Lst_AtEnd(&p->successors, s);
- 		Lst_AtEnd(&s->preds, p);
  		return 1;
  	} else
  		return 0;
--- 361,370 ----
  ParseAddDep(GNode *p, GNode *s)
  {
  	if (p->order < s->order) {
! 		/* XXX: This can cause cycles but finding them is hard
! 		 * and debugging output will show the problem.  */
! 		Lst_AtEnd(&s->predecessors, p);
  		Lst_AtEnd(&p->successors, s);
  		return 1;
  	} else
  		return 0;
***************
*** 438,444 ****
  		 */
  		if (predecessor != NULL) {
  			Lst_AtEnd(&predecessor->successors, gn);
! 			Lst_AtEnd(&gn->preds, predecessor);
  		}
  		predecessor = gn;
  		break;
--- 437,443 ----
  		 */
  		if (predecessor != NULL) {
  			Lst_AtEnd(&predecessor->successors, gn);
! 			Lst_AtEnd(&gn->predecessors, predecessor);
  		}
  		predecessor = gn;
  		break;