You probably can move/symlink the modules into the new directory without problems. You can also try setting the PERLLIB or PERL5LIB environment variables, to make perl aware of the old directory. Or, most effective, you can recompile perl to use that directory by default.
--
Someday, people who know how to use computers will rule over
those who don't. And there will be a special name for them:
secretaries. -Dilbert quote