While trying to build threads-1.12 on debian 3.1 stable using cpan

t/stack............ok 1/18PANIC: pthread_attr_setstacksize failed at t/stack.t line 98
t/stack............dubious
Test returned status 29 (wstat 7424, 0x1d00)
DIED. FAILED tests 15-18
Failed Test Stat Wstat Total Fail Failed List of Failed
-------------------------------------------------------------------------------
t/stack.t 29 7424 18 8 44.44% 15-18

Can I ignore this error and force?