Re: [boost] Using multiple versions of Boost

From: Piyo (cybermax_69_at_[hidden])
Date: 2007-05-16 13:27:36

Marcus Lindblom wrote:
> 
> Xerces is pretty large, it has a lot of classes, etc. However, it's 
> completely void of templates, if that would matter.
> 
> The techinique appears very non-intrusive for users of a single version 
> (except for forward declarations).
> 
> I'm sure one can come up with a recommeded scheme that would simplify 
> things (i.e. for the author FooLib to define FOOLIB_BOOST_VERSION and 
> use that).
> However, there are a few places in boost that export "global" variables, 
> such as the placeholders (IIRC they go in the anonymous namespace).
> 
> It could add some additional testing burden. (Worst case: Test to 
> include every boost file with every other boost file, both of every 
> version supporting this scheme.)
> 
> But I'm sure there are others who are more familiar with this technique 
> and it's potential pitfalls.
> 
> Cheers,
> /Marcus
> 
> 
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I am open to any form of solution whether it be macro-based or bcp or
Xerces style. I just find it sad that I am stopping 1.34 from entering
our company on purpose because I do not think that adding to our
existing 1.32 and 1.33.1 installations will help. Is there anyway we can
get the core boost developers to look into this? Since I am the only
boost-evangelist here, I can't imagine me stopping progress over
something like this.

HELP!! :)