Re: Accessing C++ class method from ObjC++ code

FROM : Shawn Erickson
DATE : Sun Nov 18 21:11:09 2007

On Nov 18, 2007, at 11:50 AM, Charles Hamel wrote:

> The definition is exactly the same,  I copied/pasted it just to be 
> sure.
>
> No namespaces involved.
>
> I understand the nature of the error, it really looks like somehow 
> the linker doesn't see the analyze method implementation in 
> Vision.mm, even if it is included in the target.
>
> What I don't get is that AppController.mm compiles fine, it even 
> highlights the vision->analyze(...) statement, so it knows it is a 
> valid symbol right ?
>
> I have read the Apple doc many time now and I don't get what's 
> missing, is there a way to force the linker with some kind of extern 
> statement in my case ?


You see the Vision.mm file get compiled in the build log? You sure 
some ifdef isn't preventing it from being compiled in?

-Shawn