Hi again,

No joy so far. Have added these headers to my archive:

#include <boost/archive/shared_ptr_helper.hpp>
#include <boost/archive/detail/auto_link_archive.hpp>

and my archive now derives like so:
class boost_iarchive: public detail::common_iarchive<boost_iarchive>, public detail::shared_ptr_helper

I still get the same undefined reference :/



> To: boost-users@lists.boost.org
> From: ramey@rrsd.com
> Date: Mon, 15 Sep 2008 08:39:09 -0800
> Subject: Re: [Boost-users] serialization problems (undefined reference -boost::archive::detail::archive_pointer_oserializer<...>)
>
> Good point. Note that the archives included include a "shared_ptr_helper"
> just to support shared_ptr.
>
> Robert Ramey
>
> Matthias Troyer wrote:
> > On Sep 15, 2008, at 11:18 AM, Allan Johns wrote:
> >
> >> Hi,
> >>
> >> I've written my own archive, which works fine until I try
> >> serialising a boost::shared_ptr<X>, in which case I get:
> >>
> >> undefined reference to
> >> `
> >> boost
> >>>> archive
> >>>> detail
> >>>> archive_pointer_oserializer
> >> <boost::archive::boost_oarchive>::~archive_pointer_oserializer().
> >> (boost::archive::boost_oarchive is my archive class, in case this
> >> causes confusion).
> >>
> >> I'm on gcc4.1.2, ceontos4 x86_64. I'm linking to
> >> libboost_serialization-gcc41-mt-1_35.so also. I've hit a bit of a
> >> brick wall here so any help would be greatly appreciated. I've
> >> searched around but can't seem to find any relevant posts on this
> >> subject.
> >>
> >> cheers
> >> A
> >
> > Do you use your own archive class? If so, please look at the
> > serialization source files to see how to compile the sorces for your
> > archive and which additional headers your archive source files need to
> > include.
> >
> > Matthias
>
>
>
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