public function buildStarted(BuildEvent $event)
    {
        $this->startTime = Phing::currentTimeMillis();
        if ($this->msgOutputLevel >= Project::MSG_INFO) {
            $this->printMessage(
                "Buildfile: " . $event->getProject()->getProperty("phing.file"),
                $this->out,
                Project::MSG_INFO
            );
        }
    }