Re: [Rd] DESCRIPTION Suggests entry help

From: Uwe Ligges <ligges_at_statistik.tu-dortmund.de>
Date: Thu, 15 Dec 2011 22:08:37 +0100

If it is only in the Suggests and you test for its existence before its usage, it should be OK.

For old R versions my CRAN checks set the nvironment variable: _R_CHECK_FORCE_SUGGESTS_=FALSE Best,
Uwe Ligges

On 15.12.2011 19:53, Roebuck,Paul L wrote:
> How should the Suggests entry be written in this case?
>
> Have package that supports parallel processing available
> for multiple R versions. Original package DESCRIPTION
> Suggests entry only listed 'multicore' and life was good.
>
> Since R-2.14+ includes 'parallel' package, thought I could
> reference that on the Suggests entry too. But not so fast.
> As it doesn't exist for previous versions of R, how can I
> add this such that multiple R versions are supported? All
> older version R CMD checks fail attempting to load 'parallel';
> current R CMD checks complain if I leave it out of DESCRIPTION
> but require('parallel') within source itself.
>
>
> And although I'm pretty sure this isn't available, any syntax
> to imply 'either this or that' package? Or 'this package with
> R version'?
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-devel



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