Re: [Boost-build] ** Need input on alternative selection **

From: Vladimir Prus (ghost_at_[hidden])
Date: 2007-04-18 03:08:43

On Wednesday 18 April 2007 05:54, David Abrahams wrote:
> 
> on Wed Apr 18 2007, "Konstantin Litvinenko" <Konstantin.Litvinenko-AT-malva.ua> wrote:
> 
> >  VP> Comments?
> >
> >     I don't like Devid's way, but really like your's one. Current 
> > Boost.Build behaviour is fail to build if requirements not fully matched. 
> 
> That is *not* the current behavior when there's only one alternative.

Under my proposal, you'll be able to say:

        lib a : a.cpp : when <threading>single ;

and this target will fail to build unless <threading>single in requested.

- Volodya