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find_unused_makefilevars: Support parsing simple includes.

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This commit is contained in:
Jelmer Vernooij 2008-09-19 11:04:18 +02:00
parent 714669f172
commit 87afa77eac
1 changed files with 18 additions and 9 deletions
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27
source4/script/find_unused_makefilevars.pl
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@ -13,17 +13,26 @@ my %defines;
# First, make a list of defines in configure
$in = shift;
open(IN, $in);
while(<IN>) {
my $line = $_;
while($line =~ /^\b([a-zA-Z0-9_][a-zA-Z0-9_]*)\b[ \t]*=.*/sgm) {
$defines{$1} = 1;
}
while($line =~ /\$\(([a-zA-Z0-9_][a-zA-Z0-9_]*)\)/sgm) {
$references{$1} = 1;
sub process_file($)
{
my ($fn) = @_;
open(IN, $fn);
while(<IN>) {
my $line = $_;
while($line =~ /^\b([a-zA-Z0-9_][a-zA-Z0-9_]*)\b[ \t]*=.*/sgm) {
$defines{$1} = 1;
}
while($line =~ /\$\(([a-zA-Z0-9_][a-zA-Z0-9_]*)\)/sgm) {
$references{$1} = 1;
}
while ($line =~ /^include (.*)/sgm) {
process_file($1);
}
}
close IN;
}
close IN;
process_file($in);
print "##### DEFINED BUT UNUSED: #####\n";
foreach(%defines) {