Here’s what I did:
1. Install Marc Liyanage’s PHP5 package for Apache 1.3.x
2. Mod your path defaults
# sudo su -
# cd /usr/bin
# mv php php4
# mv phpize phpize4
# mv php-config php-config4
# ln -s /usr/local/php5/bin/php php
# ln -s /usr/local/php5/bin/phpize phpize
# ln -s /usr/local/php5/bin/php-config php-config
3. Get xdebug
http://www.xdebug.org/download.php
4. Install xdebug per instructions found here:
http://www.entropy.ch/phpBB2/viewtopic.php?t=847&view=next
%sudo ln -s /usr/bin/glibtoolize /usr/local/bin/llibtoolize
# [...]