On Mac OS, I leave the system Perl alone and use Perlbrew to manage my custom Perl installations. I also install cpanm using perlbrew: $ perlbrew install-cpanmand then use cpanm to install packages from CPAN. If you use LWP::UserAgent or HTTP::Tiny to talk to an https:// endpoint, you will need to install IO::Socket::SSL, which in turn depends on Net::SSLeay. On OS X El Capitan (10.11.1), building
