Heim@Heim-PC ~/.cpan/build/Crypt-SSLeay-0.64-4GqoXH $ perl Makefile.PL The test suite can attempt to connect to public servers to ensure that the code is working properly. If you are behind a strict firewall or have no network connectivity, these tests may fail (through no fault of the code). Do you want to run the live tests (y/N)? [N] y Checking if your kit is complete... Looks good Warning: prerequisite LWP::Protocol::https 6.02 not found. Note (probably harmless): No library found for -lz Note (probably harmless): No library found for -lssl32 Note (probably harmless): No library found for -lssleay32 Note (probably harmless): No library found for -leay32 Writing Makefile for Crypt::SSLeay Writing MYMETA.yml Heim@Heim-PC ~/.cpan/build/Crypt-SSLeay-0.64-4GqoXH $