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/* Definitions of dependency data structures for GNU Make.
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
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