skip_all 'perl 5.13.4 required to test thread safety'
unless $force or "$]" >= 5.013_004;
+ if (($INC{'Test/More.pm'} || $INC{'Test/Leaner.pm'}) && !$INC{'threads.pm'}) {
+ die 'Test::More/Test::Leaner was loaded too soon';
+ }
+
load_or_skip_all 'threads', $force ? '0' : '1.67', [ ];
load_or_skip_all 'threads::shared', $force ? '0' : '1.14', [ ];