DateTime::Format::Strptime が make test でこける

t/004_locale_defaults......1/48 Can't call method "year" on an undefined value at t/004_locale_defaults.t line 45.
# Looks like you planned 48 tests but only ran 36.
# Looks like your test died just after 36.
t/004_locale_defaults...... Dubious, test returned 255 (wstat 65280, 0xff00)
 Failed 12/48 subtests

Test Summary Report
-------------------
t/004_locale_defaults.t (Wstat: 65280 Tests: 36 Failed: 0)
  Non-zero exit status: 255
  Parse errors: Bad plan.  You planned 48 tests but ran 36.
Files=7, Tests=361,  2 wallclock secs ( 0.08 usr  0.00 sys +  1.64 cusr  0.07 csys =  1.79 CPU)
Result: FAIL
Failed 1/7 test programs. 0/361 subtests failed.
make: *** [test_dynamic] エラー 255

むぅ...