Re: [Boost-users] dll-interface problems

From: peter_foelsche_at_[hidden]
Date: 2008-07-28 15:32:21

I usually ignored this warning.
I'm not sure what can happen as the result.

Peter

> #include <boost/exception/exception.hpp>
> 
> namespace speedo {
> 
>     typedef boost::error_info<struct tag_error, unsigned> error_info;
> 
>     class __declspec(dllexport) exception : public boost::exception
>     {
>     };
> 
> }
> 
> When I try to compile this, I get the following warning:
> 
> c:\cygwin\home\andrej\speedo\trunk\util\exception.h(14) : warning C4275:
>  non dll-interface class 'boost::exception' used as base for dll-interfa
> ce class 'speedo::exception'
>         C:\cygwin\home\Andrej\speedo\trunk\boost/exception/exception.hpp
> (47) : see declaration of 'boost::exception'
>         c:\cygwin\home\andrej\speedo\trunk\util\exception.h(13) : see de
> claration of 'speedo::exception'
> 
> 
> Is this a problem, and, how do I get rid of this without changing the bo
> ost-exception lib itself?