undefined reference to vtable constructor
... not providing definitions for the other functions in your BaseRenderer class, as your baseRenderer.cpp file seems to only have the constructor and destructors. , What compiler are you using? Visual Studio 2010 gives this more helpful output: 1>cachesize.obj : error LNK2019: unresolved external symbol ..., Since QWidget has a virtual destructor, the compiler needs a vtable for your class. ..... derives from a QObject it's not enough for the compiler to use default constructor/destructors. Qt Linker Error: "undefined reference to vtable"., You're declaring a virtual function and not defining it: virtual void calculateCredits();. Either define it or declare it as: virtual void ...,The solution is to ensure that all virtual methods that are not pure are defined. Note that a destructor must be defined even if it is declared pure-virtual [class.dtor]/7. For what it is worth, forgetting a body on a virtual destructor generates the foll, You need to implement the pure virtual function, add Child:: to Start method In Child.cc #include "Child.hh" namespace ChildNamespace ..., This is most likely to mean that you forgot to implement one of the virtual functions declared in CProcManager - probably GetMemLimit . Or that ...,I had the same problem but as soon as I defined my constructor in the header file instead of the .cpp the error disappeared. Also the corresponding moc file was ... , What aschepler said is absolutely correct. Concerned about your begining, you may want some advice when a virtual function should be used ...,Hi, got a program which I've been trying to port to Linux for a while now - and after all the changes I can think of making, the build fails with a.
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 undefined reference to vtable constructor 相關參考資料
C++ - Undefined reference to `vtable - Stack Overflow
... not providing definitions for the other functions in your BaseRenderer class, as your baseRenderer.cpp file seems to only have the constructor and destructors. https://stackoverflow.com c++ undefined reference to `vtable - Stack Overflow
What compiler are you using? Visual Studio 2010 gives this more helpful output: 1>cachesize.obj : error LNK2019: unresolved external symbol ... https://stackoverflow.com Qt undefined reference to vtable - Stack Overflow
Since QWidget has a virtual destructor, the compiler needs a vtable for your class. ..... derives from a QObject it's not enough for the compiler to use default constructor/destructors. Qt Linker... https://stackoverflow.com undefined reference to 'vtable for class' constructor - Stack Overflow
You're declaring a virtual function and not defining it: virtual void calculateCredits();. Either define it or declare it as: virtual void ... https://stackoverflow.com Undefined reference to vtable - Stack Overflow
The solution is to ensure that all virtual methods that are not pure are defined. Note that a destructor must be defined even if it is declared pure-virtual [class.dtor]/7. For what it is worth, forge... https://stackoverflow.com Undefined reference to vtable in constructor - Stack Overflow
You need to implement the pure virtual function, add Child:: to Start method In Child.cc #include "Child.hh" namespace ChildNamespace ... https://stackoverflow.com undefined reference to vtable when calling constructor of base ...
This is most likely to mean that you forgot to implement one of the virtual functions declared in CProcManager - probably GetMemLimit . Or that ... https://stackoverflow.com Undefined reference to vtable. Trying to compile a Qt project ...
I had the same problem but as soon as I defined my constructor in the header file instead of the .cpp the error disappeared. Also the corresponding moc file was ... https://stackoverflow.com Undefined reference to `vtable' in the constructor - Stack Overflow
What aschepler said is absolutely correct. Concerned about your begining, you may want some advice when a virtual function should be used ... https://stackoverflow.com Undefined references to vtable in class constructor? - LinuxQuestions
Hi, got a program which I've been trying to port to Linux for a while now - and after all the changes I can think of making, the build fails with a. https://www.linuxquestions.org |