How to enable configure.ac to generate configure to must take arguments ?

[TJ Yang]

By default "./configure " will proceed to run itself and collect all
the system information.

I am thinking  of writing my own configure.ac to generate configure to split out
the content of "--help"  or shoowing a usage message when there is no
argument provided.

Following code in configure.ac doesn't exit out right away when I type
in "./configure"

MYARGS=2
if test $#  ne $MYARGS
then
   echo "Need one argument at least.\n"
   exit 0
fi

Anyone know there is a similar configure.ac I can learn from ?


-- 
T.J. Yang