Socket
Socket6
Socket::GetAddrInfo

##</code><code>##

Socket

##</code><code>##

use ExtUtils::MakeMaker;

my @prereq_pm;
if ($] < 5.014) {
    push @prereq_pm, "Socket::GetAddrInfo";
    push @prereq_pm, 0.21;
}

WriteMakefile(
   NAME          => [...
   ... omitted for concise ...]
   PREREQ_PM     => {
      Net::Frame => 1.09,
      @prereq_pm
   },
);