case $THIS_SUB_DEPENDS in
    SIMPLEINIT) is_depends_enabled $SPELL simpleinit-msb;;
    UPSTART) is_depends_enabled $SPELL upstart;;
    SYSTEMD) is_depends_enabled $SPELL systemd;;
    *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
       return 1;;
esac