blubb.cpp

template <typename T>
class TextInput
{
    public:
        TextInput(float* _x, float* _y, string _name, T* _value, bool* _bProcessed,  bool* _bIsNodeActive);
...
}

typedef boost::shared_ptr<ds::TextInput<float> > TextInputPtr;

TextInputPtr t(new TextInput<float>(&x, &y, name, &value, &bProcessed, &bIsActive)); //doesn't work

 undefined reference to `ds::TextInput<float>::TextInput(float*, float*, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, float*, bool*, bool*)'|