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