{
          'manpage_support' => {
                                 'requires' => {
                                                 'Pod::Man' => 0
                                               },
                                 'description' => 'Create Unix man pages'
                               },
          'YAML_support' => {
                              'requires' => {
                                              'YAML' => ' >= 0.35, != 0.49_01 '
                                            },
                              'description' => 'Use YAML.pm to write META.yml files'
                            },
          'C_support' => {
                           'requires' => {
                                           'ExtUtils::CBuilder' => '0.15'
                                         },
                           'recommends' => {
                                             'ExtUtils::ParseXS' => '1.02'
                                           },
                           'description' => 'Compile/link C & XS code'
                         },
          'HTML_support' => {
                              'requires' => {
                                              'Pod::Html' => 0
                                            },
                              'description' => 'Create HTML documentation'
                            }
        }