depends openldap && depends perl && depends convert-asn1 && depends text-soundex && optional_depends uri '' '' 'for URL parsing' && optional_depends authen-sasl '' '' 'for SASL authentication' && optional_depends io-socket-ssl '' '' 'for Net::LDAPS' && optional_depends xml-parser-expat '' '' 'for Net::LDAP::DSML' .