Um, compile time can happen at runtime if you use do/require

$ perl -d:Trace -e" use strict;"

$ perl -d:Trace -e" require strict;"
>> -e:1:  require strict;
>> C:/perl/5.10.1/lib/strict.pm:3: $strict::VERSION = "1.04";
>> C:/perl/5.10.1/lib/strict.pm:6: unless ( __FILE__ =~ /(^|[\/\\])\Q$
+{\__PACKAGE__}\E\.pmc?$/ ) {
>> C:/perl/5.10.1/lib/strict.pm:6: unless ( __FILE__ =~ /(^|[\/\\])\Q$
+{\__PACKAGE__}\E\.pmc?$/ ) {
>> C:/perl/5.10.1/lib/strict.pm:12: my %bitmask = (
>> C:/perl/5.10.1/lib/strict.pm:32: my $default_bits = bits(qw(refs su
+bs vars));
>> C:/perl/5.10.1/lib/strict.pm:19:     my $bits = 0;
>> C:/perl/5.10.1/lib/strict.pm:20:     my @wrong;
>> C:/perl/5.10.1/lib/strict.pm:21:     foreach my $s (@_) {
>> C:/perl/5.10.1/lib/strict.pm:22:     push @wrong, $s unless exists 
+$bitmask{$s};
>> C:/perl/5.10.1/lib/strict.pm:23:         $bits |= $bitmask{$s} || 0
+;
>> C:/perl/5.10.1/lib/strict.pm:22:     push @wrong, $s unless exists 
+$bitmask{$s};
>> C:/perl/5.10.1/lib/strict.pm:23:         $bits |= $bitmask{$s} || 0
+;
>> C:/perl/5.10.1/lib/strict.pm:22:     push @wrong, $s unless exists 
+$bitmask{$s};
>> C:/perl/5.10.1/lib/strict.pm:23:         $bits |= $bitmask{$s} || 0
+;
>> C:/perl/5.10.1/lib/strict.pm:25:     if (@wrong) {
>> C:/perl/5.10.1/lib/strict.pm:29:     $bits;
>> C:/perl/5.10.1/lib/strict.pm:44: 1;

$
[download]