我在头文件里定义了  #include "gloox/client.h"
但总是报错undefined reference to `gloox::ClientBase::connect(bool)'
程序引用的第三方文件gloox 
函数是 
void likemess::doSomething()
{
     JID jid("testone@10.10.20.55/tfs-1");
    //jid.setResource("10.10.20.55");
    Client *client=new Client(jid,"123456");
    client->registerConnectionListener(this);
    client->registerPresenceHandler(this);
    client->connect();
}
哪位大侠告诉我哪里出错了