rule.h

   1 /* Definitions for using pattern rules in GNU Make.
   2 Copyright (C) 1988, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
   3 This file is part of GNU Make.
   4
   5 GNU Make is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2, or (at your option)
   8 any later version.
   9
  10 GNU Make is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with GNU Make; see the file COPYING.  If not, write to
  17 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  18
  19 /* Structure used for pattern rules.  */
  20
  21 struct rule
  22   {
  23     struct rule *next;
  24     char **targets;             /* Targets of the rule.  */
  25     unsigned int *lens;         /* Lengths of each target.  */
  26     char **suffixes;            /* Suffixes (after `%') of each target.  */
  27     struct dep *deps;           /* Dependencies of the rule.  */
  28     struct commands *cmds;      /* Commands to execute.  */
  29     char terminal;              /* If terminal (double-colon).  */
  30     char in_use;                /* If in use by a parent pattern_search.  */
  31   };
  32
  33 /* For calling install_pattern_rule.  */
  34 struct pspec
  35   {
  36     char *target, *dep, *commands;
  37   };
  38
  39
  40 extern struct rule *pattern_rules;
  41 extern struct rule *last_pattern_rule;
  42 extern unsigned int num_pattern_rules;
  43
  44 extern unsigned int max_pattern_deps;
  45 extern unsigned int max_pattern_targets;
  46 extern unsigned int max_pattern_dep_length;
  47
  48 extern struct file *suffix_file;
  49 extern unsigned int maxsuffix;
  50
  51
  52 extern void install_pattern_rule PARAMS ((struct pspec *p, int terminal));
  53 extern int new_pattern_rule PARAMS ((struct rule *rule, int override));