specifying object code (/additional libraries) to be linked -- where?

[planetLars]

btw. here's the implementation:

#include "Y.h"
 
template<class X> Y<X>::~Y()
{
	delete Something;
}

#include "Y.h"

template<class X> Y<X>::~Y()
{
	delete Something;
}

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It's defined in Y.cpp.

If I put this code inside the header file Y.h, there are no problems. If I leave the code here, I get

release/Z.o:Z.cpp::-1: error: undefined reference to `Y<_mytype>::~Y()'

release/Z.o:Z.cpp::-1: error: undefined reference to `Y<_mytype>::~Y()'

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. Z.cpp includes Y.h.