This is the sort of thing you put into the tests you run for each install.
Another option is to restrict yourself to modules that were installed for version 5.8 .. probably not a very satisfactory option.
This is a topic that I know has been discussed here before. Super Search may find some useful suggestions for you.
In reply to Re: targetting for multiple perl versions
by GotToBTru
in thread targetting for multiple perl versions
by bagyi
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