$ uname -a
Linux communicator 2.6.27-11-generic #1 SMP Wed Apr 1 20:57:48 UTC 2009 i686 GNU/Linux
$ perl -Mthreads -e 'print $threads::VERSION . "\n"'; perl -Mthreads::shared -e 'print $threads::shared::VERSION . "\n"' ; perl -v
1.67
1.14

This is perl, v5.10.0 built for i486-linux-gnu-thread-multi