Qt5.0.1的Linux版怎么编译线程和好多TCP和UDP的编码都无法找到QT类的成员函数的实现啊？
http://releases.qt-project.org/qt5/5.0.1/qt-linux-opensource-5.0.1-x86-offline.run[leyes@localhost TcpClient]$ make
g++ -Wl,-O1 -Wl,-rpath,/opt/Qt5.0.1/5.0.1/gcc -Wl,-rpath,/opt/Qt5.0.1/5.0.1/gcc/lib -o TcpClient main.o tcpclient.o moc_tcpclient.o -L/opt/Qt5.0.1/5.0.1/gcc/lib -lQt5Widgets -lQt5Gui -lQt5Core -lGL -lpthread
tcpclient.o：在函数‘TcpClient::TcpClient(QWidget*, QFlags<Qt::WindowType>)’中：
tcpclient.cpp:(.text+0x610)：对‘QHostAddress::QHostAddress()’未定义的引用
tcpclient.o：在函数‘TcpClient::slotEnter()’中：
tcpclient.cpp:(.text+0xa14)：对‘QHostAddress::setAddress(QString const&)’未定义的引用
tcpclient.cpp:(.text+0xefd)：对‘QTcpSocket::QTcpSocket(QObject*)’未定义的引用
tcpclient.o：在函数‘TcpClient::dataReceived()’中：
tcpclient.cpp:(.text+0x18dd)：对‘QHostAddress::QHostAddress()’未定义的引用
tcpclient.cpp:(.text+0x1a34)：对‘QHostAddress::~QHostAddress()’未定义的引用
tcpclient.cpp:(.text+0x1b72)：对‘QHostAddress::~QHostAddress()’未定义的引用
collect2: 错误：ld 返回 1
make: *** [TcpClient] 错误 1
