+ my $t_v = '1.67';
+ my $ts_v = '1.14';
+ skipall 'This perl wasn\'t built to support threads'
+ unless $Config{useithreads};
+ skipall "threads $t_v required to test thread safety"
+ unless eval "use threads $t_v; 1";
+ skipall "threads::shared $ts_v required to test thread safety"
+ unless eval "use threads::shared $ts_v; 1";