Ich habe versucht, Net :: SSLeay zu installieren, obwohl cpan, um Email :: Send :: SMTP :: TLS zu installieren, aber ich erhalte den folgenden Fehler.

cpan[5]> install Net::SSLeay
Running install for module 'Net::SSLeay'
Running make for M/MI/MIKEM/Net-SSLeay-1.49.tar.gz
  Has already been unwrapped into directory /home/ubuntu/.cpan/build/Net-SSLeay-1.49-VDZ57t
Could not make: Unknown error
Running make test
  Can't test without successful make
Running make install
  Make had returned bad status, install seems impossible