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: PaxHeader/Bored-0.03,PaxHeader/Bored-0.03,Bored-0.03/PaxHeader/Changes,Bored-0.03/PaxHeader/Changes,Bored-0.03/PaxHeader/MANIFEST,Bored-0.03/PaxHeader/MANIFEST,Bored-0.03/PaxHeader/ignore.txt,Bored-0.03/PaxHeader/ignore.txt,Bored-0.03/PaxHeader/t,Bored-0.03/PaxHeader/t,Bored-0.03/PaxHeader/xt,Bored-0.03/PaxHeader/xt,Bored-0.03/PaxHeader/README,Bored-0.03/PaxHeader/README,Bored-0.03/PaxHeader/META.yml,Bored-0.03/PaxHeader/META.yml,Bored-0.03/PaxHeader/lib,Bored-0.03/PaxHeader/lib,Bored-0.03/PaxHeader/Makefile.PL,Bored-0.03/PaxHeader/Makefile.PL,Bored-0.03/PaxHeader/META.json,Bored-0.03/PaxHeader/META.json,Bored-0.03/lib/PaxHeader/Bored.pm,Bored-0.03/lib/PaxHeader/Bored.pm,Bored-0.03/xt/PaxHeader/boilerplate.t,Bored-0.03/xt/PaxHeader/boilerplate.t,Bored-0.03/t/PaxHeader/pod.t,Bored-0.03/t/PaxHeader/pod.t,Bored-0.03/t/PaxHeader/manifest.t,Bored-0.03/t/PaxHeader/manifest.t,Bored-0.03/t/PaxHeader/00-load.t,Bored-0.03/t/PaxHeader/00-load.t,Bored-0.03/t/PaxHeader/pod-coverage.t,Bored-0.03/t/PaxHeader/pod-coverage.t,Bored-0.03/t/PaxHeader/01-odea.t,Bored-0.03/t/PaxHeader/01-odea.t