Re: [Boost-users] Header ordering [was: Vector of Polymorphic Pointers]

From: Robert Ramey (ramey_at_[hidden])
Date: 2006-05-02 14:37:25

This is explained in the docmentation under

Reference/Special Considerations/Exporting Class Serialization

Robert Ramey

David Abrahams wrote:
> Thorsten Ottosen <tottosen_at_[hidden]> writes:
>
>> Robert Ramey wrote:
>>
>>> Note that its not enough to include BOOST_CLASS_EXPORT.  It has to
>>> be included after the *archive.hpp classes that you're using.
>>> Double check that this is the case.
>>
>> Robert, why is this needed? It seems like something that is *very*
>> easy to forget and get wrong.
>
> Yes, header ordering is notoriously hard to control.  Robert, I'd like
> to discuss the design problem it is solving and see if we can come up
> with a better approach.  Can you boil it down to a really simple
> example?