Qt Creator 报错 moc_mainwindow.cpp:-1: error: undefined reference to `MainWindow::mouseDoubleClickEven

时间 2021-01-04

标签 qt5 繁體版

原文原文链接

尝试按照《Qt5开发及实例》运行鼠标事件程序。报错。 moc_mainwindow.cpp:-1: error: undefined reference to `MainWindow::mouseDoubleClickEvent(QMouseEvent*)' 中文提示：找不到moc_mainwindows.cpp文件产生该问题的根本原因是：在mainwindow.h文件中声明了 void mo

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1. qt signal undefined reference error
2. Qt程序报error: undefined reference to `MainWindow::~MainWindow()'
3. qt报错undefined reference to symbol 'pthread_create@@GLIBC_2.2.5'
4. Qt编译报错：undefined reference to '_imp__ZN8QPrinterC1ENs_11'
5. error: undefined reference to ***
6. error: undefined reference to `qt_version_tag'
7. cmake报错undefined reference to `pthread_create'
8. 报错：undefined reference to `OPENSSL_init_ssl'
9. error: undefined reference to 'wav_open'
10. error: undefined reference to 'SL_IID_ENGINE'

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