Re: [Boost-users] [serialization] Multiplydefinedsymbol:guid_initializer

Subject: Re: [Boost-users] [serialization] Multiplydefinedsymbol:guid_initializer
From: Robert Dailey (rcdailey_at_[hidden])
Date: 2009-04-03 15:55:23

On Fri, Apr 3, 2009 at 3:02 PM, Robert Ramey <ramey_at_[hidden]> wrote:

>   "Robert Dailey" <rcdailey_at_[hidden]> wrote in message
> news:496954360904031054x3cb9f3cfldf1985695a096614_at_mail.gmail.com...
>
> Also, I'm a bit confused about something else Robert.
> All along we've been saying that if the code in the translation unit is not
> used, it may be stripped by the linker. What code exactly is being stripped?
> I mean, I create my classes before I serialize them and I'm calling member
> functions on these instances. So for sure the translation unit is being
> "entered" before serialization even begins. Does this not meet the
> requirements?
>
>
> I've been presuming your doing something like:
>
> base * b = new derived;
> ar << b;
>
>
> ....
> base * new_b;
>
> ar >> new_b; the linker look for the code to load derived.
>
> Robert Ramey
>
> What exactly are you trying to say here? Are you saying that only when I
stream in does the translation unit for "derived" get visited? Could you
provide a bit more detail?

What I'm doing is more like this:

base* b = new derived;
b->DoStuff();
b->DoMoreStuff();
archive << b;

I haven't actually used >> yet. This is strictly an issue with streaming
out.