Re: py_cpp: another unresolved symbol

From: rwgk_at_[hidden]
Date: 2000-11-01 14:34:41

I just stumbled into another posting on this list and that gave
me the clue for the fix. Add this to py.h:

inline double from_python(PyObject* p, py::Type<const double&>)
{
    return from_python(p, py::Type<double>());
}

Does this make sense?

--- In boost_at_[hidden], rwgk_at_m... wrote:
> I am running py_cpp_20001031 on an Alpha using the cxx compiler.
> While def(py::Constructor<int>()) works fine, def
> (py::Constructor<double>())
> does not. One way to reproduce the problem is to change 
example1.cpp:
> 
> 7c7
> <       world(int) {}
> ---
> >       world(double) {}
> 34c34
> <        world_class.def(py::Constructor<int>());
> ---
> >        world_class.def(py::Constructor<double>());
> 
> When trying to import my module I get the error message:
> 
> % python
> Python 1.5.2 (#1, Apr 28 2000, 11:50:55) [C] on osf1V5
> Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
> >>> import hello
> Traceback (innermost last):
>   File "<stdin>", line 1, in ?
> ImportError: Unresolved symbol in ./hello.so: 
> from_python__2pyXP7_objectQ12py10T
> ype__TRCd
> >>>
> 
> What could be the problem?
> 
> Thanks!
>         Ralf