END
}
-sub process_input_mk ($$$$$$$);
-sub process_input_mk ($$$$$$$) {
+sub process_input_mk ($$$$$$$$);
+sub process_input_mk ($$$$$$$$) {
my ($dir_prefix, $dir_suffix, $dir_name,
$var_prefix, $targets,
- $f, $esclitr) = @_;
+ $f, $esclitr, $enoent_ok) = @_;
my $caps_re = qr{[A-Z][0-9_A-Z]*(?=\W)};
my $lc_re = qr{[a-z][-+,0-9_a-z]*(?=\W)};
};
$set_esc->();
- open I, '<', $f or die "open $f: $!\n";
- while (<I>) {
+ my $input = new IO::File $f, '<';
+ if (!$input) {
+ die "open $f: $!\n" unless $!==ENOENT && $enoent_ok;
+ return;
+ }
+ while (<$input>) {
for (;;) {
unless (s{^(.*?)(\\)?(?=$esc)}{}) { o $_; last; }
o $1;
}
}
}
- I->error and die "read $f: $!\n";
+ $input->error and die "read $f: $!\n";
+ close $input or die "close $f: $!\n";
}
sub filter_subdir_mk ($$$$$) {
"${srcdir}/Perdir.mk.in") {
process_input_mk($dir_prefix, $dir_suffix, $dir_name,
$var_prefix, $targets,
- $f, \$esclit);
+ $f, \$esclit, 0);
}
}