| 1 | /* Definitions of dependency data structures for GNU Make.
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| 2 | Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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| 3 | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software
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| 4 | Foundation, Inc.
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| 5 | This file is part of GNU Make.
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| 6 |
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| 7 | GNU Make is free software; you can redistribute it and/or modify it under the
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| 8 | terms of the GNU General Public License as published by the Free Software
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| 9 | Foundation; either version 2, or (at your option) any later version.
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| 10 |
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| 11 | GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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| 13 | A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License along with
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| 16 | GNU Make; see the file COPYING. If not, write to the Free Software
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| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */
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| 18 |
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| 19 | /* Flag bits for the second argument to `read_makefile'.
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| 20 | These flags are saved in the `changed' field of each
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| 21 | `struct dep' in the chain returned by `read_all_makefiles'. */
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| 22 |
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| 23 | #define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */
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| 24 | #define RM_INCLUDED (1 << 1) /* Search makefile search path. */
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| 25 | #define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */
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| 26 | #define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */
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| 27 | #define RM_NOFLAG 0
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| 28 |
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| 29 | /* Structure representing one dependency of a file.
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| 30 | Each struct file's `deps' points to a chain of these,
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| 31 | chained through the `next'. `stem' is the stem for this
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| 32 | dep line of static pattern rule or NULL.
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| 33 |
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| 34 | Note that the first two words of this match a struct nameseq. */
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| 35 |
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| 36 | struct dep
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| 37 | {
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| 38 | struct dep *next;
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| 39 | char *name;
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| 40 | char *stem;
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| 41 | struct file *file;
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| 42 | unsigned int changed : 8;
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| 43 | unsigned int ignore_mtime : 1;
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| 44 | unsigned int staticpattern : 1;
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| 45 | unsigned int need_2nd_expansion : 1;
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| 46 | };
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| 47 |
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| 48 |
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| 49 | /* Structure used in chains of names, for parsing and globbing. */
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| 50 |
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| 51 | struct nameseq
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| 52 | {
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| 53 | struct nameseq *next;
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| 54 | char *name;
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| 55 | };
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| 56 |
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| 57 |
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| 58 | extern struct nameseq *multi_glob PARAMS ((struct nameseq *chain, unsigned int size));
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| 59 | #ifdef VMS
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| 60 | extern struct nameseq *parse_file_seq ();
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| 61 | #else
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| 62 | extern struct nameseq *parse_file_seq PARAMS ((char **stringp, int stopchar, unsigned int size, int strip));
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| 63 | #endif
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| 64 | extern char *tilde_expand PARAMS ((char *name));
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| 65 |
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| 66 | #ifndef NO_ARCHIVES
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| 67 | extern struct nameseq *ar_glob PARAMS ((char *arname, char *member_pattern, unsigned int size));
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| 68 | #endif
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| 69 |
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| 70 | #ifndef iAPX286
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| 71 | #define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
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| 72 | #else
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| 73 | /* Buggy compiler can't hack this. */
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| 74 | extern char *dep_name ();
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| 75 | #endif
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| 76 |
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| 77 | extern struct dep *alloc_dep PARAMS ((void));
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| 78 | extern void free_dep PARAMS ((struct dep *d));
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| 79 | extern struct dep *copy_dep_chain PARAMS ((const struct dep *d));
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| 80 | extern void free_dep_chain PARAMS ((struct dep *d));
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| 81 | extern void free_ns_chain PARAMS ((struct nameseq *n));
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| 82 | extern struct dep *read_all_makefiles PARAMS ((char **makefiles));
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| 83 | extern int eval_buffer PARAMS ((char *buffer));
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| 84 | extern int update_goal_chain PARAMS ((struct dep *goals));
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| 85 | extern void uniquize_deps PARAMS ((struct dep *));
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