use ExtUtils::MakeMaker; WriteMakefile( NAME => 'Email::Thread', VERSION_FROM => 'lib/Email/Thread.pm', (eval { ExtUtils::MakeMaker->VERSION(6.21) } ? (LICENSE => 'perl') : ()), PREREQ_PM => { 'Mail::Thread' => '2.4', 'Test::More' => '0.47', }, ($] >= 5.005 ? (ABSTRACT_FROM => 'lib/Email/Thread.pm', AUTHOR => 'Iain Truskett ') : ()), );