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Subject: Re: [boost] [spirit] Where is SPIRIT_VERSION?
From: Joel de Guzman (joel_at_[hidden])
Date: 2008-11-12 18:21:53

Robert Ramey wrote:

>> Tell me if you still think we need one.
> Here is my problem:
> I included headers from spirit in order to parse xml created
> by the serialization system. I've been very pleased by the
> fact that once it was done, I've (almost) never had to back
> to it. This is just as well as I've by now forgotten everything
> about it. (increasing stack overflow as a function of aging
> brain). When major change where made in implementation,
> spirit 1.6 was left available for older compilers. This worked
> well. Users of Borland compilers only had to include
> the directory for spriit 1.6 headers and everything worked fine.
> Other compilers could use the recent implemenation without
> problems.
> The latest version of spirit redirects the headers. This fails
> on some compilers (I think pgi is one of them). So I figured
> no problem, I'll just tweak the #include avoid the redirection.
> Now even with spirt1.6x headers in the include path, the
> borland compilers fail.
> Using boost version is not a solution since some compilers
> require 1.6x even though they are using the latest version of
> boost. What I was looking for was a way to determine
> which version of spirt was being used to permit inclusion
> of the proper headers.
>>From my perspective - we're on spirit version 3 now.
> Unfortunately this is hidden from view. This makes thinks
> look "cleaner" but in fact hides differences which are relevant.
> So I would like to see
> boost/spirit/... files and boost::spirit::... namespace mapped to 1.6
> boost/spirit2/... files and boost::spirit::... namespace mapped to 1.8
> boost/spirit3/... files and boost::spirit::... namespace mapped to ?
> This would mean that old code would continue to compile. Of
> course, boost wouldn't have to keep around the old versions
> or maintain testing on them. They could be archived separately.
> But we wouldn't have the issue of "which spirit are you using"
> or I got code which uses spirit and I get a raft of compile
> errors", etc.

Alright, I think you got me convinced that we should keep
the original boost/spirit/version.hpp file as-is. Hartmut,
what do you think?


Joel de Guzman

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