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/Cache-Memcached-Managed-0.27,PaxHeader/Cache-Memcached-Managed-0.27,Cache-Memcached-Managed-0.27/PaxHeader/CHANGELOG,Cache-Memcached-Managed-0.27/PaxHeader/CHANGELOG,Cache-Memcached-Managed-0.27/PaxHeader/flush_interval.patch,Cache-Memcached-Managed-0.27/PaxHeader/flush_interval.patch,Cache-Memcached-Managed-0.27/PaxHeader/MANIFEST,Cache-Memcached-Managed-0.27/PaxHeader/MANIFEST,Cache-Memcached-Managed-0.27/PaxHeader/t,Cache-Memcached-Managed-0.27/PaxHeader/t,Cache-Memcached-Managed-0.27/PaxHeader/README,Cache-Memcached-Managed-0.27/PaxHeader/README,Cache-Memcached-Managed-0.27/PaxHeader/TODO,Cache-Memcached-Managed-0.27/PaxHeader/TODO,Cache-Memcached-Managed-0.27/PaxHeader/COPYING,Cache-Memcached-Managed-0.27/PaxHeader/COPYING,Cache-Memcached-Managed-0.27/PaxHeader/META.yml,Cache-Memcached-Managed-0.27/PaxHeader/META.yml,Cache-Memcached-Managed-0.27/PaxHeader/testlib,Cache-Memcached-Managed-0.27/PaxHeader/testlib,Cache-Memcached-Managed-0.27/PaxHeader/lib,Cache-Memcached-Managed-0.27/PaxHeader/lib,Cache-Memcached-Managed-0.27/PaxHeader/Makefile.PL,Cache-Memcached-Managed-0.27/PaxHeader/Makefile.PL,Cache-Memcached-Managed-0.27/PaxHeader/GNUGPL,Cache-Memcached-Managed-0.27/PaxHeader/GNUGPL,Cache-Memcached-Managed-0.27/PaxHeader/META.json,Cache-Memcached-Managed-0.27/PaxHeader/META.json,Cache-Memcached-Managed-0.27/lib/PaxHeader/Cache,Cache-Memcached-Managed-0.27/lib/PaxHeader/Cache,Cache-Memcached-Managed-0.27/lib/Cache/PaxHeader/Memcached,Cache-Memcached-Managed-0.27/lib/Cache/PaxHeader/Memcached,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/PaxHeader/Managed,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/PaxHeader/Managed,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/PaxHeader/Managed.pm,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/PaxHeader/Managed.pm,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/Managed/PaxHeader/Multi.pm,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/Managed/PaxHeader/Multi.pm,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/Managed/PaxHeader/Inactive.pm,Cache-Memcached-Managed-0.27/lib/Cache/Memcached/Managed/PaxHeader/Inactive.pm,Cache-Memcached-Managed-0.27/t/PaxHeader/004expiration.t,Cache-Memcached-Managed-0.27/t/PaxHeader/004expiration.t,Cache-Memcached-Managed-0.27/t/PaxHeader/030configs.t,Cache-Memcached-Managed-0.27/t/PaxHeader/030configs.t,Cache-Memcached-Managed-0.27/t/PaxHeader/003multi.t,Cache-Memcached-Managed-0.27/t/PaxHeader/003multi.t,Cache-Memcached-Managed-0.27/t/PaxHeader/020grab.t,Cache-Memcached-Managed-0.27/t/PaxHeader/020grab.t,Cache-Memcached-Managed-0.27/t/PaxHeader/010fork.t,Cache-Memcached-Managed-0.27/t/PaxHeader/010fork.t,Cache-Memcached-Managed-0.27/t/PaxHeader/001basic.t,Cache-Memcached-Managed-0.27/t/PaxHeader/001basic.t,Cache-Memcached-Managed-0.27/t/PaxHeader/002inactive.t,Cache-Memcached-Managed-0.27/t/PaxHeader/002inactive.t