Author: Michael Steele
Date: 14-08-02 09:15
Take a look at configure.php. There are two environment variables you can set. BATCH and PHP4_OPTIONS. Look for this when you have interactive menus. Applys to mod_php3 also.
You can skip the PHP4_OPTIONS (look in configure.php) and it will set zlib and MySQL for you.
portupgrade -v mod_php4