use Date::Manip; BEGIN { $Date::Manip::Backend = 'DM5'; } my $version = DateManipVersion(1); print $version, "\n"; Date_Init("TZ=EAST"); #dep #### ERROR LOADING MODULE: Date::Manip::DM5 at /Date /Manip.pm line 35. BEGIN failed--compilation aborted at test.pl line 4. #### 6.44 [australia/sydney]