Re: [Rd] The Depends: field of a package is now used by library()

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Fri 13 Aug 2004 - 01:20:52 EST


On Thu, 12 Aug 2004, Wolfgang Huber wrote:

> > On Thursday 12 August 2004 07:34, Prof Brian Ripley wrote:
> >
> >>In R-devel, the Depends: field in the DESCRIPTION file is now used by
> >>library() to load the named packages before the current package, and
> >>also to set up the environment to save images and prepare for lazy
> >>loading.
> >
>
> Are circular dependencies allowed?
> Or do they need to be broken, e.g. by replacing one of the edges in a
> loop by a "suggests"?

They need to be broken. I only encountered them where Suggests: was appropriate.

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Fri Aug 13 01:39:26 2004

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