Re: [Boost-build] cross-platform project questions

From: Vladimir Prus (ghost_at_[hidden])
Date: 2007-10-19 01:11:13

On Friday 19 October 2007 02:20:10 Darren Kessner wrote:
> Hi all,
> 
> I've just about finished the Boost.Build setup for my 
> project -- I'm now successfully building my codebase on Windows 
> (msvc and gcc/cygwin) and on a few different types 
> of Linux (gcc).  I'm extremely happy with how simply the 
> various project and external dependencies can be expressed in the Jamfiles.    
> 
> I have a couple of questions:
> 
> 1)  I have a number of <toolset>-conditional requirements in my Jamfiles.  
> When I build on Linux, Boost.Build complains about  any <toolset>msvc:<property>...  
> The workaround is to include "using msvc ;" in my user-config, 
> but this seems odd since obviously msvc isn't installed.  Is there a better way to handle this?   

I believe such better way might be to use either Milestone 12 release or nightly
built version -- I believe it has special code to not care about undefined properties
in conditional requirements.

> 
> 2)  I have a library that should only be built with msvc -- 
> how do I tell Boost.Build to exit gracefully when 
> someone tries to build that library with gcc?  

        <toolset>gcc:<build>no

Again, use M12 for better results -- M11 might not even have <build>no.

It would be nice to express this like:

        <toolset>!msvc:<build>no

but we don't such syntax yet.

- Volodya