>         /boost/thread//boost_thread                             # needed to
> add this as a dep b/c we need to link threads when we define
This seems like a very bad idea to me.  I hope this wasn't checked into the release branch.
 
I looks to me that this means that anyone using the serializaiton library is now depending
upon boost_thread in some way.  If this is the case - then its beyond a terrible idea-
it's just plain wrong.  That fact that it's used as a work around in your situation
where you only build for mult-threading is no excuse or reason that everyone else
should live with this.
 
Find another solution.
 
Robert Ramey
"Tim St. Clair" <timothysc@gmail.com> wrote in message news:ef85fd8f0807240919t6732f575l5e94e0ad8411a5b0@mail.gmail.com...
Sure that makes sense to me, I just wanted you to be aware that this error existed. 

I put in a work around into my code (We only build in multithreaded). 

Cheers,
Tim

On Thu, Jul 24, 2008 at 10:18 AM, Vladimir Prus <ghost@cs.msu.su> wrote:
On Thursday 24 July 2008 18:50:41 Tim St. Clair wrote:
> FYI...
>
> ---------- Forwarded message ----------
> From: Tim St. Clair <timothysc@gmail.com>
> Date: Tue, Jul 22, 2008 at 5:27 PM
> Subject: 1.35.0 && serialization && spirit && thread safety
> To: boost-users@lists.boost.org
>
>
> I've seen info in various email-threads regarding thread safety when using
> xml archives.
> We had come across some assert conditions in multithreaded code, only to
> trace down that (BOOST_SPIRIT_THREADSAFE) was not defined during boost
> compilation.
>
> to fix, I modified the Jamfile.v2 for serialization:
>
> lib boost_serialization
>      : $(SOURCES).cpp
>         /boost/thread//boost_thread                             # needed to
> add this as a dep b/c we need to link threads when we define
> BOOST_SPIRIT_THREADSAFE
>     : <define>BOOST_SPIRIT_THREADSAFE            # needed to add this as a
> define
>       <toolset>msvc:<cxxflags>/Gy
>       <link>shared:<define>BOOST_SERIALIZATION_DYN_LINK=1
>       <conditional>@include-spirit


This does not seem right -- why would we link to boost_serialization in ST build?
How about something like:

       <threading>multi:<define>BOOST_SPIRIT_THREADSAFE
       <threading>multi:<library>/boost/thread//boost_thread

Note that I've no idea why BOOST_SPIRIT_THREADSAFE requires Boost.Thread, so I cannot
comment on this logic.

- Volodya
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--
Regards,
Timothy St. Clair
[timothysc@gmail.com]

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