未定義參考到typeinfo for
Then you need to ensure that any class, which type_info is accessed in the -frtti code, have their key method compiled with -frtti . Such access ..., 如果得到类似于“undefined reference to vtable for LcdNumber”的编译错误(if you get compiler errors along the lines of "undefined reference to ...
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 未定義參考到typeinfo for 相關參考資料
C++: what are the causes of " undefined reference to 'typeinfo for ...
If you're compiling with RTTI (-frtti), make sure your dependent libraries are also compiled with it, and not -fno-rtti. Otherwise you will get the ... https://stackoverflow.com g++ undefined reference to typeinfo - Stack Overflow
Then you need to ensure that any class, which type_info is accessed in the -frtti code, have their key method compiled with -frtti . Such access ... https://stackoverflow.com Qt 出现“undefined reference to `vtable for”原因总结- chenlong12580的 ...
如果得到类似于“undefined reference to vtable for LcdNumber”的编译错误(if you get compiler errors along the lines of "undefined reference to ... https://blog.csdn.net 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 Typeinfo - holly的专栏- CSDN博客
以”undefined reference to typeinfo”为关键字在网络上搜索，大多数都是说有虚函数定义了但是未实现导致的。但是我的代码显然不是这个情况。 https://blog.csdn.net Undefined Reference to Typeinfo - 幽雨雨幽- CSDN博客
以”undefined reference to typeinfo”为关键字在网络上搜索，大多数都是说有虚函数定义了但是未实现导致的。但是我的代码显然不是这个情况。 https://blog.csdn.net undefined reference to `typeinfo for class' - Stack Overflow
You must either provide a definition for virtual functions in your base class or declare them pure: class Accel public: virtual void initialize(void) ... https://stackoverflow.com Undefined reference to `typeinfo for class' and undefined ...
root::setSize isn't declared pure virtual, which means it must be defined. Presumably, it should be as pure as the other functions: virtual void ... https://stackoverflow.com [問題]undefined reference to 'typeinfo for..' - 看板EE_DSnP - 批踢 ...
作者Phantasnix (凰響). 看板EE_DSnP. 標題[問題]undefined reference to 'typeinfo for..' 時間Sat Jan 5 00:38:59 2013. class中的static member有在cpp中初始化。 https://www.ptt.cc 當編譯出現Undefined reference to 'vtable xxxxxxxxxx' 解決方法[CC++] ...
其實這是因為你的virtual function忘了實做。 它錯誤訊息會跟你講是在哪一個CLASS忘了實做。 例如: class c1 有2個virtual function 然後c2 繼承c1. https://eric1300460.pixnet.net |