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source: kBuild/trunk/src/gmake/dep.h@ 285

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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 unsigned int need_2nd_expansion : 1;
44 };
45
46
47/* Structure used in chains of names, for parsing and globbing. */
48
49struct nameseq
50 {
51 struct nameseq *next;
52 char *name;
53 };
54
55
56extern struct nameseq *multi_glob PARAMS ((struct nameseq *chain, unsigned int size));
57#ifdef VMS
58extern struct nameseq *parse_file_seq ();
59#else
60extern struct nameseq *parse_file_seq PARAMS ((char **stringp, int stopchar, unsigned int size, int strip));
61#endif
62extern char *tilde_expand PARAMS ((char *name));
63
64#ifndef NO_ARCHIVES
65extern struct nameseq *ar_glob PARAMS ((char *arname, char *member_pattern, unsigned int size));
66#endif
67
68#ifndef iAPX286
69#define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
70#else
71/* Buggy compiler can't hack this. */
72extern char *dep_name ();
73#endif
74
75extern struct dep *copy_dep_chain PARAMS ((struct dep *d));
76extern void free_ns_chain PARAMS ((struct nameseq *n));
77extern struct dep *read_all_makefiles PARAMS ((char **makefiles));
78extern int eval_buffer PARAMS ((char *buffer));
79extern int update_goal_chain PARAMS ((struct dep *goals));
80extern void uniquize_deps PARAMS ((struct dep *));
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