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Linker Error Undefined Reference To Vtable


Join them; it only takes a minute: Sign up Linking error: undefined reference to `vtable for XXX` up vote 11 down vote favorite 3 There is some linking error here. It just turned out that they had changed the constness of the method and I hadn't noticed, and you will get this error for the reason @bdonian says. You are describing the behaviour of one particular compiler; other compilers may behave differently, so playing games with declaration order to mask the error is not portable. –Mike Seymour Oct 11 Not having those will give you a general linker fail. http://cdbug.org/undefined-reference/linker-error-undefined-reference-vtable.php

Compute the Eulerian number Uploading a preprint with wrong proofs Why does Mal change his mind? But one linker errors : undefined reference to `vtable for StorageManager' This error is labeled on the class definition line : class StorageManager : public QObject { I know this kind For-each library in order: Check unresolved dependencies and see if the lib resolves them. Previous company name is ISIS, how to list on CV?

Error Undefined Reference To Vtable For Qt

Were students "forced to recite 'Allah is the only God'" in Tennessee public schools? I couldn't find a solution for 2 hours. –problemofficer Nov 24 '10 at 16:13 1 Thanks, this was exactly what was wrong with me. –Chance Mar 16 '11 at 17:14 Who is the highest-grossing debut director? Are there some possible problems here other than the obvious (e.g.

Since I've been relatively knew to C++ and still learning, I haven't experimented with Polymorphism all that much. Remember, arguments types differentiate functions just like names in C++, a Collide(Shape) is different from a Collide(Polygon). namespace Dasher { class CEvent; class CEventHandler; class CDasherComponent; }; /// \ingroup Core /// @{ class Dasher::CDasherComponent { public: CDasherComponent(Dasher::CEventHandler* pEventHandler, CSettingsStore* pSettingsStore); virtual ~CDasherComponent(); void InsertEvent(Dasher::CEvent * pEvent); virtual void Undefined Reference To `typeinfo For How do you curtail too much customer input on website design?

I'm basically doing a hello world and linking to a commerical 3rd party library. share|improve this answer answered Feb 11 '14 at 23:01 Will 8011019 7 I don't need to ask a question. In particular, G++ emits the vtable along with the implementation of the first-declared non-inline function in a class. functionB is defined as virtual (NOT PURE VIRTUAL) so it tries to find its definition in Class A itself but you provided its definition in Class B.

Not the answer you're looking for? Undefined Reference To Vtable For Destructor If you don't define it, the vtable will be undefined as well. I get this error: ~/.../catkin_ws$ g++ -std=c++11 -o /tmp/m.out /tmp/myclass.cpp /tmp/Derived.cpp /tmp/cclLscB9.o: In function `IBase::IBase(IBase const&)': myclass.cpp:(.text._ZN5IBaseC2ERKS_[_ZN5IBaseC5ERKS_]+0x13): undefined reference to `vtable for IBase' /tmp/cc8Smvhm.o: In function `IBase::IBase()': Derived.cpp:(.text._ZN5IBaseC2Ev[_ZN5IBaseC5Ev]+0xf): undefined reference to That is in my projects at least.

The Vtable Symbol May Be Undefined Because The Class Is Missing Its Key Function

Thanks! –Elliott Dec 2 '11 at 3:28 1 you my friend are a true hero! http://stackoverflow.com/questions/17865440/linker-error-undefined-reference-to-vtable The problem was that I declared a virtual destructor in the header fileļ¼Œ but the virtual functions' body was actually not implemented. Error Undefined Reference To Vtable For Qt Re-add it and recompile. –AMDG Apr 23 '15 at 8:29 Ok, for some weird reasons the file was not compiled by the MOC. Undefined Reference To Vtable For Constructor im sorry its my fault that i copy the wrong one, ill change it then –Mary Grace Isanan Viaje Mar 1 '13 at 10:04 @MaryGraceIsananViaje Please see my updated

Join them; it only takes a minute: Sign up Weird linker error undefined reference to vtable up vote 0 down vote favorite I have a class with no virtual function, this More about the author Where are sudo's insults stored? share|improve this answer edited Jun 18 '10 at 21:15 answered Jun 17 '10 at 20:06 Alexandre Hamez 3,13421528 7 nm -C CGameModule.o | grep CGameModule:: will list the methods that share|improve this answer answered Aug 18 '14 at 1:24 Victor Häggqvist 2,83231325 add a comment| up vote 2 down vote Not perhaps. Undefined Reference To Vtable For C++

This will save your teammates from repeating your frustration. asked 5 years ago viewed 23769 times active 3 months ago Related 158Undefined reference to static class member131g++ undefined reference to typeinfo64GCC C++ Linker errors: Undefined reference to 'vtable for XXX', class Base { virtual void method1() { } } share|improve this answer edited May 13 '13 at 6:32 Lundin 59.9k1186157 answered May 13 '13 at 6:15 user2376546 5111 This check my blog omitted the " = 0" at the end of the declaration.

Solution: Make function B as pure virtual (if you have requirement like that) virtual void functionB(parameters) =0; (This works it is Tested) Provide Definition for functionB in Class A itself keeping Undefined Reference To Vtable Qobject Reason: functionA is defined as pure virtual and its definition is provided in Class B. So, the constructor is throwing this.

Is there a way to confirm the static libraries I am linking to are 64bit?

This file was compiled, but not linked, so the linker was complaining about being unable to find it. Browse other questions tagged c++ gcc linker-error or ask your own question. Binzxxxxxx Jan 19 '15 at 15:22 add a comment| up vote 9 down vote In regards to problems with Qt4, I couldn't use the qmake moc option mentioned above. Undefined Reference To Vtable For Class C++ If you put two blocks of an element together, why don't they bond?

From a style perspective, CDasherModule should explicitly define its destructor virtual. And defining a virtual destructor in this derived class made no difference (it is defined in the base class). What I do know is that originally, the Polygon class required a source file with at least a constructor definition, which I did give. http://cdbug.org/undefined-reference/linker-error-undefined-reference-to-vtable-for-mainwindow.php Why does Mal change his mind?

Thanks for your help. –AMDG Apr 23 '15 at 8:47 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote Solution found ! This is just something useful that I came across as I had the error mentioned above. –Will Jul 7 '15 at 22:46 4 @MohitJain I think this is a sufficient Thanks for the responses and the link to the GCC FAQ. share|improve this answer edited Aug 25 '15 at 18:31 answered Feb 14 '11 at 18:34 Rick Smith 3,83663450 11 +1000 - this exactly solved my problem. –Nathan Osman Jun 2

If you have to do it manually you are screwed. –Offirmo Mar 4 '13 at 14:46 add a comment| up vote 1 down vote If all else fails, look for duplication. I'm not sure what other information I should provide. share|improve this answer edited Jul 1 '15 at 16:18 Hugo Alonso 2,9741134 answered Jul 1 '15 at 14:55 Philip Thomas 7111 add a comment| up vote 6 down vote The GNU Why did Fudge and the Weasleys come to the Leaky Cauldron in the PoA?