rule.h

   1 /* Definitions for using pattern rules in GNU Make.
   2 Copyright (C) 1988-2012 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 it under the
   6 terms of the GNU General Public License as published by the Free Software
   7 Foundation; either version 3 of the License, or (at your option) any later
   8 version.
   9
  10 GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
  11 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License along with
  15 this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17
  18 /* Structure used for pattern (implicit) rules.  */
  19
  20 struct rule
  21   {
  22     struct rule *next;
  23     const char **targets;       /* Targets of the rule.  */
  24     unsigned int *lens;         /* Lengths of each target.  */
  25     const char **suffixes;      /* Suffixes (after '%') of each target.  */
  26     struct dep *deps;           /* Dependencies of the rule.  */
  27     struct commands *cmds;      /* Commands to execute.  */
  28     unsigned short num;         /* Number of targets.  */
  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 void count_implicit_rule_limits (void);
  53 void convert_to_pattern (void);
  54 void install_pattern_rule (struct pspec *p, int terminal);
  55 void create_pattern_rule (const char **targets, const char **target_percents,
  56                           unsigned int num, int terminal, struct dep *deps,
  57                           struct commands *commands, int override);