Below is the error stack during 'make test':

PERL_DL_NONLAZY=1 /usr/local/bin/perl5.8.0 "-MExtUtils::Command::MM" "-e" "test_harness(0,'blib/lib', 'blib/arch')" t/*.t
t/1....Can't undef active subroutine during global destruction.
dubious
        Test returned status 255 (wstat 65280, 0xff00)
        after all the subtests completed successfully
Failed Test Stat Wstat Total Fail  Failed  List of Failed
-------------------------------------------------------------------------------
t/1.t        255 65280   176    0   0.00%  ??
Failed 1/1 test scripts, 0.00% okay. 0/176 subtests failed, 100.00% okay.
make: *** [test_dynamic] Error 2