[Rd] The Depends: field of a package is now used by library()
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Aug 12 17:20:52 CEST 2004
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 at 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
More information about the R-devel
mailing list