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+/* Definitions for using pattern rules in GNU Make.
+Copyright (C) 1988-2016 Free Software Foundation, Inc.
+This file is part of GNU Make.
+
+GNU Make is free software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation; either version 3 of the License, or (at your option) any later
+version.
+
+GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>. */
+
+
+/* Structure used for pattern (implicit) rules. */
+
+struct rule
+ {
+ struct rule *next;
+ const char **targets; /* Targets of the rule. */
+ unsigned int *lens; /* Lengths of each target. */
+ const char **suffixes; /* Suffixes (after '%') of each target. */
+ struct dep *deps; /* Dependencies of the rule. */
+ struct commands *cmds; /* Commands to execute. */
+ unsigned short num; /* Number of targets. */
+ char terminal; /* If terminal (double-colon). */
+ char in_use; /* If in use by a parent pattern_search. */
+ };
+
+/* For calling install_pattern_rule. */
+struct pspec
+ {
+ const char *target, *dep, *commands;
+ };
+
+
+extern struct rule *pattern_rules;
+extern struct rule *last_pattern_rule;
+extern unsigned int num_pattern_rules;
+
+extern unsigned int max_pattern_deps;
+extern unsigned int max_pattern_targets;
+extern unsigned int max_pattern_dep_length;
+
+extern struct file *suffix_file;
+extern unsigned int maxsuffix;
+
+
+void count_implicit_rule_limits (void);
+void convert_to_pattern (void);
+void install_pattern_rule (struct pspec *p, int terminal);
+void create_pattern_rule (const char **targets, const char **target_percents,
+ unsigned int num, int terminal, struct dep *deps,
+ struct commands *commands, int override);
+void print_rule_data_base (void);