Zend Optimizer in OpenBSD 3.9

[Kiraly Zoltan]

I have PHP 5.0.5 installed with Apache/1.3.29
I want to install Zend Optimizer for PHP, but I don't find a specific
package for OpenBSD.

Anyone has Zend Optimizer installed on OpenBSD? What I need to do to
install this Optimizer?

Thanks!