pear installer

Hi, I want to use the pear installer for my application. This consists certainly not only of include files, but also of a lot of scripts which must reside under the document root of the web server. Can the installer copy a directory into the document root of the system where "pear install app" would be called? Or, do I need to put all php scripts instead into the data folder and inform the installing user that he'd have to copy it himself according to his system set-up? I thought that the pear installer would do the whole job himself, but it looks like he doesn't know anything about apache's set-up... Am I wrong, any hints? Marko