If you can't get it to work, why not trying to install a complete pre-rolled package like this one (LAMPP from Apachefriends). It also contains Apache and some other goodies in the bargain.

Or have a look at Activestate's PPM-packages for DBD-MySQL.

CountZero

"If you have four groups working on a compiler, you'll get a 4-pass compiler." - Conway's Law