use ExtUtils::MakeMaker; WriteMakefile( 'NAME' => 'Sys::HostAddr', 'VERSION_FROM' => 'HostAddr.pm', # finds $VERSION 'PREREQ_PM' => {IO::Socket::INET => 1.25, Sys::Hostname => 1.1}, ( $] >= 5.005 ? (ABSTRACT_FROM => 'HostAddr.pm', AUTHOR => 'Jeremy Kister ') : () ), );