---with-rsh=PATH allows you to specify the path to your rsh program.
-Normally ./configure will search the current $PATH for 'rsh'. You
-may need to specify this option if rsh is not in your path or has a
-different name.
-
---with-pam enables PAM support.
-
---enable-gnome-askpass will build the GNOME passphrase dialog. You
-need a working installation of GNOME, including the development
-headers, for this to work.
-
---with-random=/some/file allows you to specify an alternate source of
-random numbers (the default is /dev/urandom). Unless you are absolutely
-sure of what you are doing, it is best to leave this alone.
+--with-pam enables PAM support. If PAM support is compiled in, it must
+also be enabled in sshd_config (refer to the UsePAM directive).