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/* Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
This file is part of GNU Make.

GNU Make is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Make is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Make; see the file COPYING.  If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Structure representing one dependency of a file.
   Each struct file's `deps' points to a chain of these,
   chained through the `next'.

   Note that the first two words of this match a struct nameseq.  */

struct dep
  {
    struct dep *next;
    char *name;
    struct file *file;
    int changed;
  };


/* Structure used in chains of names, for parsing and globbing.  */

struct nameseq
  {
    struct nameseq *next;
    char *name;
  };


extern struct nameseq *multi_glob (), *parse_file_seq ();
extern char *tilde_expand ();

#ifndef NO_ARCHIVES
extern struct nameseq *ar_glob ();
#endif

#ifndef	iAPX286
#define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
#else
/* Buggy compiler can't hack this.  */
extern char *dep_name ();
#endif

extern struct dep *read_all_makefiles ();

/* Flag bits for the second argument to `read_makefile'.
   These flags are saved in the `changed' field of each
   `struct dep' in the chain returned by `read_all_makefiles'.  */
#define RM_NO_DEFAULT_GOAL	(1 << 0) /* Do not set default goal.  */
#define RM_INCLUDED		(1 << 1) /* Search makefile search path.  */
#define RM_DONTCARE		(1 << 2) /* No error if it doesn't exist.  */
#define RM_NO_TILDE		(1 << 3) /* Don't expand ~ in file name.  */
#define RM_NOFLAG		0