function _initializeDepDB()
{
if (!isset($this->_dependencyDB)) {
static $initializing = false;
if (!$initializing) {
$initializing = true;
if (!$this->_config) {
// never used?
$file = OS_WINDOWS ? 'pear.ini' : '.pearrc';
$this->_config =& new PEAR_Config($this->statedir . DIRECTORY_SEPARATOR . $file);
$this->_config->setRegistry($this);
$this->_config->set('php_dir', $this->install_dir);
}
$this->_dependencyDB =& PEAR_DependencyDB::singleton($this->_config);
if (PEAR::isError($this->_dependencyDB)) {
// attempt to recover by removing the dep db
if (file_exists($this->_config->get('php_dir', null, 'pear.php.net') . DIRECTORY_SEPARATOR . '.depdb')) {
@unlink($this->_config->get('php_dir', null, 'pear.php.net') . DIRECTORY_SEPARATOR . '.depdb');
}
$this->_dependencyDB =& PEAR_DependencyDB::singleton($this->_config);
if (PEAR::isError($this->_dependencyDB)) {
echo $this->_dependencyDB->getMessage();
echo 'Unrecoverable error';
exit(1);
}
}
$initializing = false;
}
}
}
