Re: [Spirit-general] Re: [boost] spirt not supported on msvc 7 and other issues

From: Joel de Guzman (joel_at_[hidden])
Date: 2003-12-17 19:14:23

Hartmut Kaiser wrote:

> The only thing I could think of is to include both versions of Spirit into
> boost and wrapping them with pp constants to ensure, that actually only one
> version is tossed in:
> 
> Directory structure:
> 
>    boost
>      spirit
>        spirit_1_6_x
>          ... Version 1.6.x goes here
>        spirit
>          ... Head version goes here
> 
> For _every_ Spirit header (spirit.hpp, spirit/core.hpp etc.) do something
> like:
> 
> boost/spirit.hpp:
> 
>    #if defined(BOOST_SPIRIT_USE_VERSION_1_6)
>    // this is the only header, which needs to be renamed
>    #include <boost/spirit/spirit_1_6_x.hpp> 
>    #else
>    #include <boost/spirit/spirit.hpp>
>    #endif
> 
> boost/spirit/core.hpp
> 
>    #if defined(BOOST_SPIRIT_USE_VERSION_1_6)
>    #include <boost/spirit/spirit_1_6_x/core.hpp>
>    #else
>    #include <boost/spirit/spirit/core.hpp>
>    #endif
> 
> The drawback is, that it would triple the file count!
> Makes this any sense?

Makes sense. But is it worth it? See my other post/reply to
Giovanni.

-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net