Fedora and PHP rpms vs. build

All these questions relate to Fedora Core 2 and PHP. PHP/Apache2/MySQL are up and running fine. I want to change some of the PHP options.

1. Can you change options like safe-mode with an rpm install?

2. Nothing I change in php.ini takes. I change log_errors to ON, but it doesn't log them, and says it's off in phpinfo(). Is that odd or am I way off on what php.ini does?

3. I tried to build PHP this morning with all the options I wanted, and it worked fine, only nothing changed!? Could it be because I didn't remove the rpms first?

4. Can I co-mingle rpm installs and builds on the same system. i.e. install apache2 from rpms, and build php from source?

Thanks

1) I think that needs to be specified during compilation
2) If you are parsing pages using a webserver - have you restarted it?
3) I would suggest removing the rpms first. If you are using a webserver - did you make sure the module went into the modules directory and is referenced in the server config? The web server will also need restarted
4) Yes but I would usually reccomend compiling them all so that you have direct access to new releases quickly

Gratzie.