optional_depends rrdtool "" "" "Enable the RRD output (Recommended)" && optional_depends curl "" "" "TODO: for http based plugins" && optional_depends dbi "" "" "Enable DBI plugin" && optional_depends libesmtp "" "" "Enable notify_email plugin" && optional_depends libgcrypt "" "" "Enable network plugin's encryption and signing" && optional_depends hal "" "" "Enable the UUID plugin to get UUID from hal" && optional_depends iptables "" "" "Enable the iptables plugin" && optional_depends memcached "" "" "Enable the memcached plugin" && optional_depends MYSQL "" "" "Enable the MySQL plugin" && # TODO: need more than just iproute2 for netlink plugin optional_depends net-snmp "" "" "Enable the SNMP plugin" && optional_depends postgresql "" "" "Enable the postgresql plugin" && optional_depends perl "" "" "Enable the perl plugin" && optional_depends lm_sensors "" "" "Enable the sensors plugin" && optional_depends nut "" "" "Enable getting stats from Network UPS tools" && optional_depends libxml2 "" "" "Used by ascent and libvirt plugins" .