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Formerly implicit.c.~14~

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This commit is contained in:
Roland McGrath 1993-06-30 23:04:21 +00:00
parent 5003c9b26b
commit 7789ea8a3c
1 changed files with 16 additions and 25 deletions
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41
implicit.c
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@ -113,7 +113,8 @@ pattern_search (file, archive, depth, recursions)
/* Buffer in which we store all the rules that are possibly applicable. */
struct rule **tryrules
= (struct rule **) alloca (num_pattern_rules * sizeof (struct rule *));
= (struct rule **) alloca (num_pattern_rules * max_pattern_targets
* sizeof (struct rule *));
/* Number of valid elements in TRYRULES. */
unsigned int nrules;
@ -164,9 +165,6 @@ pattern_search (file, archive, depth, recursions)
nrules = 0;
for (rule = pattern_rules; rule != 0; rule = rule->next)
{
int specific_rule_may_have_matched = 0;
int check_lastslash;
/* If the pattern rule has deps but no commands, ignore it.
Users cancel built-in rules by redefining them without commands. */
if (rule->deps != 0 && rule->cmds == 0)
@ -184,6 +182,7 @@ pattern_search (file, archive, depth, recursions)
{
char *target = rule->targets[i];
char *suffix = rule->suffixes[i];
int check_lastslash;
/* Rules that can match any filename and are not terminal
are ignored if we're recursing, so that they cannot be
@ -237,29 +236,21 @@ pattern_search (file, archive, depth, recursions)
/* Record if we match a rule that not all filenames will match. */
if (target[1] != '\0')
specific_rule_may_have_matched = 1;
specific_rule_matched = 1;
/* We have a matching target. Don't search for any more. */
break;
/* A rule with no dependencies and no commands exists solely to set
specific_rule_matched when it matches. Don't try to use it. */
if (rule->deps == 0 && rule->cmds == 0)
continue;
/* Record this rule in TRYRULES and the index of the matching
target in MATCHES. If several targets of the same rule match,
that rule will be in TRYRULES more than once. */
tryrules[nrules] = rule;
matches[nrules] = i;
checked_lastslash[nrules] = check_lastslash;
++nrules;
}
/* None of the targets matched. */
if (rule->targets[i] == 0)
continue;
specific_rule_matched |= specific_rule_may_have_matched;
/* A rule with no dependencies and no commands exists solely to set
specific_rule_matched when it matches. Don't try to use it. */
if (rule->deps == 0 && rule->cmds == 0)
continue;
/* Record this rule in TRYRULES and the index
of the (first) matching target in MATCHES. */
tryrules[nrules] = rule;
matches[nrules] = i;
checked_lastslash[nrules] = check_lastslash;
++nrules;
}
/* If we have found a matching rule that won't match all filenames,