derick@kossu:~$ sudo pear install xdebug
downloading xdebug-1.3.2.tgz ...
Starting to download xdebug-1.3.2.tgz (153,629 bytes)
.................................done: 153,629 bytes
52 source files, building
running: phpize
Configuring for:
  PHP Api Version:   20020918
  Zend Module Api No:   20020429
  Zend Extension Api No:   20021010
building in /var/tmp/pear-build-root/xdebug-1.3.2
running: /tmp/tmpsNXgzn/xdebug-1.3.2/configure

.... compiling ...

Build process completed successfully
Installing '/var/tmp/pear-build-root/install-xdebug-1.3.2//usr/local/lib/php/ext ensions/no-debug-non-zts-20020429/xdebug.so'
install ok: xdebug 1.3.2