use ExtUtils::MakeMaker; WriteMakefile( 'NAME' => 'Net::SSLeay', 'VERSION_FROM' => 'lib/Net/SSLeay.pm', 'LIBS' => ['-lssl -lcrypto -lcrypt32 -lz'], ); #### use ExtUtils::MakeMaker; WriteMakefile( 'NAME' => 'Net::SSLeay', 'VERSION_FROM' => 'lib/Net/SSLeay.pm', 'INC' => '-IC:/someplace/include', 'LIBS' => ['-LC:/someplace/lib -lssl -lcrypto -lcrypt32 -lz'], );