Re: project-root.jam acting as Jamfile feature

From: David Abrahams (dave_at_[hidden])
Date: 2003-10-20 03:51:32

Vladimir Prus <ghost_at_[hidden]> writes:

> David Abrahams wrote:
>> Vladimir Prus <ghost_at_[hidden]> writes:
>> > David Abrahams wrote:
>> >> > Is single extra file such a big problem? Except for Ali, nobody raised
>> >> > concerns about it.
>> >>
>> >> project-root.jam, boost-build.jam.
>> >>
>> >> I count two files.
>> >
>> > Well... boost-build.jam is for lazy ones who don't set BOOST_BUILD_PATH
>> > var ;-)
>>
>> I hope that smiley really is a joke, because avoiding reliance on
>> environment variables is (or at least was) a major design goal.
>
> The smiley is only partly a joke. While environment vars have problems, i.e. 
> they are near as expressive as user-config.jam, and are outside our control, 
> using the BOOST_BUILD_PATH has some advantanges.
>
> For example, when I'll make Debian package for Boost.Build, it will likely set 
> BOOST_BUILD_PATH during installation, and user will not be requried to create 
> extra file. 

This would be another good argument for adding the registry-reading
patch. The registry is the right place to store such things under
Windoze, and installers typically do that.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com