Re: [jamboost] Re: I'm back!

From: David Abrahams (dave_at_[hidden])
Date: 2002-10-14 08:25:19

Vladimir Prus <ghost_at_[hidden]> writes:

> David Abrahams wrote:
> 
> >>Then next step is to review how abstract targets are creates and
> >>used. The 'targets.jam' file contains a class 'abstract-target',
> >>with two important methods: 'generate' and 'direct-build-request'.
> > 
> > 
> > I'm looking at that. The comment on 'generate' says:
> > 
> > If 'properties' are not specified, default values are used.
> 
> FWIW, you've a outdated copy. This comment was reworded a little.

No, I don't think so, unless you didn't check something in. It still
says exactly that.

> > Does that mean
> > 
> > Default values are used for any non-free non-optional features for
> > which values are not specified
> > 
> > or
> > 
> > If 'properties' is the empty list, default values are used
> > 
> > or something else?
> 
> The actual meaning is: "when properties are empty or have only <toolset>
> value, then use default-build to find the set of properties".

Then it should say that... except that default-build isn't part of the
abstract-target specification, and is /only/ used in the derived
classes. It would be good to clear that up.

-- 
David Abrahams * Boost Consulting
dave_at_[hidden] * http://www.boost-consulting.com