Undefined References

This page lists all known issues regarding the undefined references issue which occurs during project linkage.

undefined reference to '__cxa_pure_virtual'

An easy fix is to add the following to your program's main source file:

extern "C" void __cxa_pure_virtual(void);
void __cxa_pure_virtual(void) { while(1); }

The contents of the __cxa_pure_virtual function can be any error handling code. This function will be called whenever a pure virtual function is called.

Also see What is the purpose of cxa_pure_virtual