depends libtool && case ${CAUTHLIB_AUTHDB} in db) depends db "--with-db=db" ;; gdbm) depends gdbm "--with-db=gdbm" ;; esac optional_depends expect \ "" \ "" \ "to be able to authenticate against system login passwords" && optional_depends linux-pam \ "" \ "--without-authpam" \ "to use PAM for authentication" && optional_depends openldap \ "" \ "--without-authldap" \ "to use OpenLDAP for authentication" && optional_depends MYSQL \ "" \ "--without-authmysql" \ "to use a MySQL database for authentication" && optional_depends postgresql \ "" \ "--without-authpgsql" \ "to use a PostgrsSQL database for authentication"