Re: [Boost-users] [serialization] Problems with serializing ashared_ptr

Subject: Re: [Boost-users] [serialization] Problems with serializing ashared_ptr
From: Robert Ramey (ramey_at_[hidden])
Date: 2009-11-16 23:36:08

I'm pretty sure I addressed this in 1.41

Robert Ramey

OvermindDL1 wrote:
> On Mon, Nov 16, 2009 at 10:12 AM, Stefan Ulbrich <stevie157_at_[hidden]>
> wrote:
>> Thanks for your answer, Robert. Mi compiler version is:
>> gcc version 4.0.1 (Apple Inc. build 5465)
>>
>> The error occurs only in the load method of the class and the
>> serialization routines for the matrix class are non-inversive (save
>> seems to work).
>>
>> Do you have any idea what is causing this error?
>
> I get a similar error on Visual Studio 2005 if the class in the shared
> pointer is not virtual.  Just add something like this to your class
> and it magically works (I hate adding the overhead though...)
>
>    private: virtual
> __dummy_virtual_to_get_boost_serialization_to_work(void){}
>
> And no, I have no clue why Boost.Serialization requires a virtual
> class to be able to compile through a shared pointer, it is quite
> irritating, I had to make a wrapper class in one case...
>
> I asked about this on the list before, but no one gave an answer why
> or how to work around it.