1/* Definitions of dependency data structures for GNU Make.
2Copyright (C) 1988, 1989, 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
3This file is part of GNU Make.
4
5GNU Make is free software; you can redistribute it and/or modify
6it under the terms of the GNU General Public License as published by
7the Free Software Foundation; either version 2, or (at your option)
8any later version.
9
10GNU Make is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with GNU Make; see the file COPYING.  If not, write to
17the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18Boston, MA 02111-1307, USA.  */
19
20/* Flag bits for the second argument to `read_makefile'.
21   These flags are saved in the `changed' field of each
22   `struct dep' in the chain returned by `read_all_makefiles'.  */
23
24#define RM_NO_DEFAULT_GOAL	(1 << 0) /* Do not set default goal.  */
25#define RM_INCLUDED		(1 << 1) /* Search makefile search path.  */
26#define RM_DONTCARE		(1 << 2) /* No error if it doesn't exist.  */
27#define RM_NO_TILDE		(1 << 3) /* Don't expand ~ in file name.  */
28#define RM_NOFLAG		0
29
30/* Structure representing one dependency of a file.
31   Each struct file's `deps' points to a chain of these,
32   chained through the `next'.
33
34   Note that the first two words of this match a struct nameseq.  */
35
36struct dep
37  {
38    struct dep *next;
39    char *name;
40    struct file *file;
41    unsigned int changed : 8;
42    unsigned int ignore_mtime : 1;
43  };
44
45
46/* Structure used in chains of names, for parsing and globbing.  */
47
48struct nameseq
49  {
50    struct nameseq *next;
51    char *name;
52  };
53
54
55extern struct nameseq *multi_glob PARAMS ((struct nameseq *chain, unsigned int size));
56#ifdef VMS
57extern struct nameseq *parse_file_seq ();
58#else
59extern struct nameseq *parse_file_seq PARAMS ((char **stringp, int stopchar, unsigned int size, int strip));
60#endif
61extern char *tilde_expand PARAMS ((char *name));
62
63#ifndef NO_ARCHIVES
64extern struct nameseq *ar_glob PARAMS ((char *arname, char *member_pattern, unsigned int size));
65#endif
66
67#ifndef	iAPX286
68#define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
69#else
70/* Buggy compiler can't hack this.  */
71extern char *dep_name ();
72#endif
73
74extern struct dep *copy_dep_chain PARAMS ((struct dep *d));
75extern struct dep *read_all_makefiles PARAMS ((char **makefiles));
76extern int eval_buffer PARAMS ((char *buffer));
77extern int update_goal_chain PARAMS ((struct dep *goals, int makefiles));
78extern void uniquize_deps PARAMS ((struct dep *));
79