in reply to Linking CPAN modules to specific library

Somebody else found it for me

It's in the README file, but I have no idea why when I googoled this the README didn't show up.</>

If your OpenSSL is installed in an unusual place, you can tell Net-SSLeay where to find it with the OPENSSL_PREFIX environment variable:

OPENSSL_PREFIX=/home/mikem/playpen/openssl-1.0.2c perl Makefile.PL