1 /* Definitions of dependency data structures for GNU Make. 2 Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 3 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software 4 Foundation, Inc. 5 This file is part of GNU Make. 6 7 GNU Make is free software; you can redistribute it and/or modify it under the 8 terms of the GNU General Public License as published by the Free Software 9 Foundation; either version 2, or (at your option) any later version. 10 11 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 13 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License along with 16 GNU Make; see the file COPYING. If not, write to the Free Software 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. */ 18 19 /* Flag bits for the second argument to `read_makefile'. 20 These flags are saved in the `changed' field of each 21 `struct dep' in the chain returned by `read_all_makefiles'. */ 22 23 #define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */ 24 #define RM_INCLUDED (1 << 1) /* Search makefile search path. */ 25 #define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */ 26 #define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */ 27 #define RM_NOFLAG 0 28 29 /* Structure representing one dependency of a file. 30 Each struct file's `deps' points to a chain of these, 31 chained through the `next'. `stem' is the stem for this 32 dep line of static pattern rule or NULL. 33 34 Note that the first two words of this match a struct nameseq. */ 35 36 struct dep 37 { 38 struct dep *next; 39 char *name; 40 char *stem; 41 struct file *file; 42 unsigned int changed : 8; 43 unsigned int ignore_mtime : 1; 44 unsigned int staticpattern : 1; 45 unsigned int need_2nd_expansion : 1; 46 }; 47 48 49 /* Structure used in chains of names, for parsing and globbing. */ 50 51 struct nameseq 52 { 53 struct nameseq *next; 54 char *name; 55 }; 56 57 58 extern struct nameseq *multi_glob PARAMS ((struct nameseq *chain, unsigned int size)); 59 #ifdef VMS 60 extern struct nameseq *parse_file_seq (); 61 #else 62 extern struct nameseq *parse_file_seq PARAMS ((char **stringp, int stopchar, unsigned int size, int strip)); 63 #endif 64 extern char *tilde_expand PARAMS ((char *name)); 65 66 #ifndef NO_ARCHIVES 67 extern struct nameseq *ar_glob PARAMS ((char *arname, char *member_pattern, unsigned int size)); 68 #endif 69 70 #ifndef iAPX286 71 #define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name) 72 #else 73 /* Buggy compiler can't hack this. */ 74 extern char *dep_name (); 75 #endif 76 77 extern struct dep *alloc_dep PARAMS ((void)); 78 extern void free_dep PARAMS ((struct dep *d)); 79 extern struct dep *copy_dep_chain PARAMS ((const struct dep *d)); 80 extern void free_dep_chain PARAMS ((struct dep *d)); 81 extern void free_ns_chain PARAMS ((struct nameseq *n)); 82 extern struct dep *read_all_makefiles PARAMS ((char **makefiles)); 83 extern int eval_buffer PARAMS ((char *buffer)); 84 extern int update_goal_chain PARAMS ((struct dep *goals)); 85 extern void uniquize_deps PARAMS ((struct dep *)); 86