undefined reference to vtable for q_object

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undefined reference to vtable for q_object

I'm having a compiler issue I can't understand. I have two classes which inherit from a common base class which in turn inherits from QObject. , Re: QOBJECT and undefined reference to vtable errors Lets make some things clear: the Q_OBJECT macro is only needed (and moc'ing), if you are using signals and slots. If you are not using signal/slots, you don't have to use Q_OBJECT and you don&#,main.cpp:72: error: undefined reference to `vtable for myObj' ... Hi, the Q_OBJECT macro in your class declaration needs to be processed by ... , To use the QOBJECT macro in your class you need to extend QObject. class MyObject: public QObject Q_OBJECT public: MyObject (QObject ..., 在QT中定義了一個執行緒類,繼承自QThread, 在類中未加Q_OBJECT 時編譯正常,加入後報錯如下:. undefined reference to `vtable for ..., Adding the parenthesis makes it a function declaration. No object is actually created, so the error doesn't happen. Foo f; //declaration of variable ..., It is because the unit generated by MOC isn't included in the linking process. Or maybe it isn't generated at all. The first thing I'd do is to put the ..., Q_OBJECT is used by the MOC system to produce the code you need for the signals. My best guess would be that you are not included the ..., Description of Problem, Request, or Question When I add Q_OBJECT to my class declaration header, I get undefined reference to vtable for ..., 问题描述:某一个类中如果加入Q_OBJECT后,则link时提示:undefined reference to vtable for "xxx::xxx"。可是删掉后运行程序时在Qt的应用程序输出 ...

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undefined reference to vtable for q_object 相關參考資料
'undefined reference to vtable' when adding Q_OBJECT | Qt Forum

I'm having a compiler issue I can't understand. I have two classes which inherit from a common base class which in turn inherits from QObject.

https://forum.qt.io

QOBJECT and undefined reference to vtable errors - Qt Centre Forum

Re: QOBJECT and undefined reference to vtable errors Lets make some things clear: the Q_OBJECT macro is only needed (and moc'ing), if you are using signals and slots. If you are not using signal/...

https://www.qtcentre.org

qt - undefined reference to `vtable for myObj' in qt console ...

main.cpp:72: error: undefined reference to `vtable for myObj' ... Hi, the Q_OBJECT macro in your class declaration needs to be processed by ...

https://forum.qt.io

Qt C++ Q_OBJECT error undefined reference to vtable - Stack Overflow

To use the QOBJECT macro in your class you need to extend QObject. class MyObject: public QObject Q_OBJECT public: MyObject (QObject ...

https://stackoverflow.com

Qt 出現“undefined reference to `vtable for” - IT閱讀

在QT中定義了一個執行緒類,繼承自QThread, 在類中未加Q_OBJECT 時編譯正常,加入後報錯如下:. undefined reference to `vtable for ...

https://www.itread01.com

Q_OBJECT in QT (undefined reference to vtable xxx) - Stack Overflow

Adding the parenthesis makes it a function declaration. No object is actually created, so the error doesn't happen. Foo f; //declaration of variable ...

https://stackoverflow.com

Q_OBJECT throwing 'undefined reference to vtable' error - Stack ...

It is because the unit generated by MOC isn't included in the linking process. Or maybe it isn't generated at all. The first thing I'd do is to put the ...

https://stackoverflow.com

Undefined reference to vtable... Q_OBJECT macro - Stack Overflow

Q_OBJECT is used by the MOC system to produce the code you need for the signals. My best guess would be that you are not included the ...

https://stackoverflow.com

using Q_OBJECT gives "undefined reference to vtable for plop ...

Description of Problem, Request, or Question When I add Q_OBJECT to my class declaration header, I get undefined reference to vtable for ...

https://github.com

由Q_OBJECT引起的undefined reference to vtable for "xxx::xxx ...

问题描述:某一个类中如果加入Q_OBJECT后,则link时提示:undefined reference to vtable for "xxx::xxx"。可是删掉后运行程序时在Qt的应用程序输出 ...

https://blog.csdn.net