Gene Van Buren writes: > Hi, I have an abstract base class and an associated > derived class which I'd like to use in ROOT CINT. I have > no compile-time errors/warnings. However, I cannot > load the shared library into ROOT because the __vtbl > for the abstract base class is undefined. When I look > in the shared library with nm, I see that not only is > the __vtbl undefined, but so are the Class, Dictionary, > ImplFileLine, and ImplFileName member functions. > > Both the base and derived classes have the ClassDef > statements (with input number=0), and the derived > class implementation file has its ClassImp. > > If anyone has suggestions for something I can look at > or I've left out, please let me know. Thanks, > > -Gene Van Buren > gene@bnl.gov There are too many ways to screw things up. I think that many people would be happy to help you out if you provide a test suit which could be reproduced by them. It might also be helpful if you provide information about the compiler/platform/ version of ROOT you're using. Best, Pasha
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