Re: [Boost-build] Use of alias to not build a toolset is not working

Subject: Re: [Boost-build] Use of alias to not build a toolset is not working
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2012-11-03 13:52:23

AMDG

On 11/03/2012 09:18 AM, Edward Diener wrote:
> 
> If you see <toolset>gcc-3.4.5 in an alias such as:
> 
> alias ttivm16 : :
>         <toolset>gcc-3.4.5
>     ;
> 
> why is it not enough to know that if the invocation is:
> 
> bjam toolset=gcc-3.4.5 ttivm16
> 
> nothing is built without having to know whether gcc --version is going
> to be 3.4.5 ? Even if you decide to require that gcc --version still
> produce 3.4.5, which I surmise is normally the case when bjam is invoked
> with that toolset, I still do not understand the problem as opposed to
> the successful <toolset>gcc <toolset-gcc:version>3.4.5 .
> 
> I will take your word for it that the problem exists in the Boost build
> system but logically it seems it should not.
> 

The problem is that the way the features are
represented gets in the way for this particular
comparison.  It makes sense logically, but actually
implementing it is non-trivial.

In Christ,
Steven Watanabe