use ExtUtils::MakeMaker; my %args = ( NAME => 'Geography::Countries', VERSION_FROM => 'lib/Geography/Countries.pm', ABSTRACT_FROM => 'lib/Geography/Countries.pm', MIN_PERL_VERSION => 5.006, AUTHOR => 'Abigail ', LICENSE => 'mit', META_MERGE => { resources => { repository => 'git://github.com/Abigail/geography--countries.git', }, keywords => [qw [Geography Countries]], }, ); my %filter = ( MIN_PERL_VERSION => '6.48', LICENSE => '6.48', META_MERGE => '6.46', AUTHOR => '6.07', ABSTRACT_FROM => '6.07', ); delete $args {$_} for grep {defined $filter {$_} && $ExtUtils::MakeMaker::VERSION lt $filter {$_}} keys %args; WriteMakefile %args;