undefined reference to vtable for mainwindow
As noted, moc is not processing MainWindow.h in your example. One way to force this to happen is to call qt_wrap_cpp() on it directly (instead ...,This is a subtle bug (and probably partly at least a compiler bug) that I've seen before. Since QWidget has a virtual destructor, the compiler needs a vtable for ... , 如果得到类似于“undefined reference to vtable for LcdNumber”的编译错误(if ... 某一个类中如果加入Q_OBJECT后,则link时提示:undefined reference to ..... Qt程序报error: undefined reference to `MainWindow::~MainWindow()'., As stated in the comments: The missing function body for ~myMainWindow() was the problem., 2 Answers. Try running qmake on the project and then do a rebuild. Then run qmake on that file, then make . I also recommend that you download Qt Creator and use that as your IDE when building Qt project., You're not linking to everything you should. You need to run moc on your .cpp files, and add e.g. #include "moc_myfile.cpp" to the end of myfile.,Hi Created my first Qt project (Gui) droped the button on the main form and added a handler for this button clicking and got this error. how can ... , And I get undefined reference to vtable for babel::MainWindow. Any ideas? Every forums i looked at said to run qMake again, but since I'm ..., Once I did this, I was able to link without undefined symbols and vtable references. I just thought I'd post this for the benefit of others.
| 相關軟體 Qt Creator 資訊 | |
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 undefined reference to vtable for mainwindow 相關參考資料
Qt 5 cmake fails with undefined reference to vtable on hello world ...
As noted, moc is not processing MainWindow.h in your example. One way to force this to happen is to call qt_wrap_cpp() on it directly (instead ... https://stackoverflow.com Qt undefined reference to vtable - Stack Overflow
This is a subtle bug (and probably partly at least a compiler bug) that I've seen before. Since QWidget has a virtual destructor, the compiler needs a vtable for ... https://stackoverflow.com Qt 出现“undefined reference to `vtable for”原因总结 ...
如果得到类似于“undefined reference to vtable for LcdNumber”的编译错误(if ... 某一个类中如果加入Q_OBJECT后,则link时提示:undefined reference to ..... Qt程序报error: undefined reference to `MainWindow::~MainWindow()'. https://blog.csdn.net Simple app getting "undefined reference to vtable" error? [Qt ...
As stated in the comments: The missing function body for ~myMainWindow() was the problem. https://stackoverflow.com undefined reference to `vtable for MainWindow' - Stack Overflow
2 Answers. Try running qmake on the project and then do a rebuild. Then run qmake on that file, then make . I also recommend that you download Qt Creator and use that as your IDE when building Qt pro... https://stackoverflow.com undefined reference to `vtable for MainWindow' error - Stack Overflow
You're not linking to everything you should. You need to run moc on your .cpp files, and add e.g. #include "moc_myfile.cpp" to the end of myfile. https://stackoverflow.com undefined reference to `vtable for MainWindow' | Qt Forum
Hi Created my first Qt project (Gui) droped the button on the main form and added a handler for this button clicking and got this error. how can ... https://forum.qt.io using Q_OBJECT gives "undefined reference to vtable for plop ...
And I get undefined reference to vtable for babel::MainWindow. Any ideas? Every forums i looked at said to run qMake again, but since I'm ... https://github.com Why am I getting "undefined reference to vtable..." errors when ...
Once I did this, I was able to link without undefined symbols and vtable references. I just thought I'd post this for the benefit of others. https://stackoverflow.com |