求解释，播放器编译报错:(.text+0x359): 等等...

[weixin_38074876]

hmily@lenovo:~/document/Qt/mediaplayer$ makeg++ -Wl,-O1 -Wl,-rpath,/usr/local/Trolltech/Qt-4.7.1/lib -o mediaplayer main.o playerwindow.o moc_playerwindow.o    -L/usr/local/Trolltech/Qt-4.7.1/lib -lQtGui -L/usr/local/Trolltech/Qt-4.7.1/lib -L/usr/X11R6/lib -lQtCore -lpthread playerwindow.o: In function `PlayerWindow::PlayerWindow(QWidget*)':playerwindow.cpp:(.text+0x359): undefined reference to `QAxWidget::QAxWidget(QWidget*, QFlags<Qt::WindowType>)'playerwindow.cpp:(.text+0x388): undefined reference to `QAxBase::setControl(QString const&)'playerwindow.o: In function `PlayerWindow::PlayerWindow(QWidget*)':playerwindow.cpp:(.text+0x979): undefined reference to `QAxWidget::QAxWidget(QWidget*, QFlags<Qt::WindowType>)'playerwindow.cpp:(.text+0x9a8): undefined reference to `QAxBase::setControl(QString const&)'collect2: ld returned 1 exit statusmake: *** [mediaplayer] 错误 1