This extension requires the » libgearman library and a running Gearman server.
lphuberdeau at lphuberdeau dot com (05-Jan-2010 02:24)
Installing the pecl extension also required to install development packages for libevent and uuid. Those dependencies were not verified by the configuration step, resulting in rather cryptic errors.
On ubuntu:
sudo apt-get install libev-libevent-dev uuid-dev