Re: [Boost-build] Removing requirements

From: Bojan Resnik (resnikb_at_[hidden])
Date: 2006-09-18 05:35:34

> Hi,
> I've just committed the attached, that allows a project or a target to remove
> an inherited requirement. The syntax is:
>
>    project : requirements -<threading>multi ;
>
> or
>
>    exe hello : hello.cpp : -<threading>multi ;
>
> This is something that 'completes' our requirements inheritance mechanism,
> giving you a way out if you don't need it for some targets.
>
> This is just code change, docs and tests will follow later. It's both on trunk
> and branch.
>
> John,
> it means that you can put
>
>    project : requirements -<threading>multi ;
>
> in your Jamfile.v2 and you'll no longer get unexpected multithreading. If
> there are further issues, please ask.

  Would it be useful to also support wildcard syntax, like -<define>*,
to enable  removing free features as well?
-- 
Bojan Resnik