dep.h

   1 /* Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
   2 This file is part of GNU Make.
   3
   4 GNU Make is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 2, or (at your option)
   7 any later version.
   8
   9 GNU Make is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with GNU Make; see the file COPYING.  If not, write to
  16 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17
  18 /* Structure representing one dependency of a file.
  19    Each struct file's `deps' points to a chain of these,
  20    chained through the `next'.
  21
  22    Note that the first two words of this match a struct nameseq.  */
  23
  24 struct dep
  25   {
  26     struct dep *next;
  27     char *name;
  28     struct file *file;
  29     int changed;
  30   };
  31
  32
  33 /* Structure used in chains of names, for parsing and globbing.  */
  34
  35 struct nameseq
  36   {
  37     struct nameseq *next;
  38     char *name;
  39   };
  40
  41
  42 extern struct nameseq *multi_glob (), *parse_file_seq ();
  43 extern char *tilde_expand ();
  44
  45 #ifndef NO_ARCHIVES
  46 extern struct nameseq *ar_glob ();
  47 #endif
  48
  49 #ifndef iAPX286
  50 #define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
  51 #else
  52 /* Buggy compiler can't hack this.  */
  53 extern char *dep_name ();
  54 #endif
  55
  56 extern struct dep *read_all_makefiles ();
  57
  58 /* Flag bits for the second argument to `read_makefile'.
  59    These flags are saved in the `changed' field of each
  60    `struct dep' in the chain returned by `read_all_makefiles'.  */
  61 #define RM_NO_DEFAULT_GOAL      (1 << 0) /* Do not set default goal.  */
  62 #define RM_INCLUDED             (1 << 1) /* Search makefile search path.  */
  63 #define RM_DONTCARE             (1 << 2) /* No error if it doesn't exist.  */
  64 #define RM_NO_TILDE             (1 << 3) /* Don't expand ~ in file name.  */
  65 #define RM_NOFLAG               0