Follow-up. I hit this exact issue today. New Mac, wanted to try some signature stuff so needed to update perl. Picked 5.28. Failed at ../cpan/DB_File/t/db-hash.t, as reported. As 1nickt and kevbot suggest, brew install berkeley-db cleared the way for it to install cleanly.

In reply to Re: (also solved) Using Perlbrew OS X by Your Mother
in thread Using Perlbrew macOS impossible to install distributions by Anonymous Monk

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