support. You will need libwrap.a and tcpd.h installed.
--with-md5-passwords will enable the use of MD5 passwords. Enable this
-if your operating system uses MD5 passwords. The resulting binary will
-support both MD5 and traditional crypt type passwords.
+if your operating system uses MD5 passwords and the system crypt() does
+not support them directly (see the crypt(3/3c) man page). If enabled, the
+resulting binary will support both MD5 and traditional crypt passwords.
--with-utmpx enables utmpx support. utmpx support is automatic for
some platforms.