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I (SamJansen) was having a problem after making a C++ shared library. The error produced when I tried to run my application which loaded the library with [dlopen(3)] was: mylibrary.so: undefined symbol: __ti13INetTCPSocket After using [c++filt(1)], we know the undefined symbol is the following: INetTCPSocket type_info node ''InetTCPSocket'' is an abstract base class used as in interface. The reason this error was generated was because one function was not declared as abstract, I had forgotten the '= 0' part of the definition.
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