rule.h

   1 /* Definitions for using pattern rules in 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 /* 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 void install_pattern_rule (struct pspec *p, int terminal);
  53 int new_pattern_rule (struct rule *rule, int override);
  54 void count_implicit_rule_limits (void);
  55 void convert_to_pattern (void);
  56 void create_pattern_rule (char **targets, char **target_percents,
  57                           int terminal, struct dep *deps,
  58                           struct commands *commands, int override);