I have been looking for some Apache compile howtos and found two, which I would like to mention [1][2].
[1] http://www.delouw.ch/linux/apache.phtml
[2] http://www.baach.de/lamp-tutorial.html
[3] http://www.blazonry.com/scripting/install_apache.php
(Update: One more [3], that shows how to compile Apache/PHP without SSL)