skipall 'This perl wasn\'t built to support threads'
unless $Config{useithreads};
skipall 'perl 5.13.4 required to test thread safety'
- unless $force or "$]" >= 5.013004;
+ unless $force or "$]" >= 5.013_004;
my $t_v = $force ? '0' : '1.67';
my $has_threads = do {