If you use Mac OS X >= 10.6, use gnu tar (/usr/bin/gnutar) to avoid PAX headers. It's also important to rename (shorten) long file names (>= 100 characters) in the distribution.
Error: ./PaxHeaders.25529/Job-Machine-0.23,./PaxHeaders.25529/Job-Machine-0.23,Job-Machine-0.23/PaxHeaders.25529/TODO,Job-Machine-0.23/PaxHeaders.25529/TODO,Job-Machine-0.23/PaxHeaders.25529/NOTES,Job-Machine-0.23/PaxHeaders.25529/NOTES,Job-Machine-0.23/PaxHeaders.25529/README,Job-Machine-0.23/PaxHeaders.25529/README,Job-Machine-0.23/PaxHeaders.25529/Changes,Job-Machine-0.23/PaxHeaders.25529/Changes,Job-Machine-0.23/PaxHeaders.25529/t,Job-Machine-0.23/PaxHeaders.25529/t,Job-Machine-0.23/t/PaxHeaders.25529/pod.t,Job-Machine-0.23/t/PaxHeaders.25529/pod.t,Job-Machine-0.23/t/PaxHeaders.25529/worker.t,Job-Machine-0.23/t/PaxHeaders.25529/worker.t,Job-Machine-0.23/t/PaxHeaders.25529/pod_coverage.t,Job-Machine-0.23/t/PaxHeaders.25529/pod_coverage.t,Job-Machine-0.23/PaxHeaders.25529/LICENSE,Job-Machine-0.23/PaxHeaders.25529/LICENSE,Job-Machine-0.23/PaxHeaders.25529/dist.ini,Job-Machine-0.23/PaxHeaders.25529/dist.ini,Job-Machine-0.23/PaxHeaders.25529/META.yml,Job-Machine-0.23/PaxHeaders.25529/META.yml,Job-Machine-0.23/PaxHeaders.25529/MANIFEST,Job-Machine-0.23/PaxHeaders.25529/MANIFEST,Job-Machine-0.23/PaxHeaders.25529/META.json,Job-Machine-0.23/PaxHeaders.25529/META.json,Job-Machine-0.23/PaxHeaders.25529/Makefile.PL,Job-Machine-0.23/PaxHeaders.25529/Makefile.PL,Job-Machine-0.23/PaxHeaders.25529/examples,Job-Machine-0.23/PaxHeaders.25529/examples,Job-Machine-0.23/examples/PaxHeaders.25529/test.pl,Job-Machine-0.23/examples/PaxHeaders.25529/test.pl,Job-Machine-0.23/PaxHeaders.25529/lib,Job-Machine-0.23/PaxHeaders.25529/lib,Job-Machine-0.23/lib/PaxHeaders.25529/Job,Job-Machine-0.23/lib/PaxHeaders.25529/Job,Job-Machine-0.23/lib/Job/PaxHeaders.25529/Machine.pm,Job-Machine-0.23/lib/Job/PaxHeaders.25529/Machine.pm,Job-Machine-0.23/lib/Job/PaxHeaders.25529/Machine,Job-Machine-0.23/lib/Job/PaxHeaders.25529/Machine,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/DB.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/DB.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Base.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Base.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Client.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Client.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Worker.pm,Job-Machine-0.23/lib/Job/Machine/PaxHeaders.25529/Worker.pm,Job-Machine-0.23/PaxHeaders.25529/sql,Job-Machine-0.23/PaxHeaders.25529/sql,Job-Machine-0.23/sql/PaxHeaders.25529/create_tables.sql,Job-Machine-0.23/sql/PaxHeaders.25529/create_tables.sql