From rossini at blindglobe.net  Thu Aug 12 17:22:17 2004
From: rossini at blindglobe.net (A.J. Rossini)
Date: Thu Aug 12 17:25:36 2004
Subject: [Rd] The Depends: field of a package is now used by library()
In-Reply-To: <411B89D6.1040108@dkfz-heidelberg.de> (Wolfgang Huber's message
	of "Thu, 12 Aug 2004 17:16:38 +0200")
References: <Pine.LNX.4.44.0408121322180.16170-100000@gannet.stats>
	<200408120942.20270.deepayan@stat.wisc.edu>
	<411B89D6.1040108@dkfz-heidelberg.de>
Message-ID: <85u0v89yae.fsf@servant.blindglobe.net>

Wolfgang Huber <w.huber@dkfz-heidelberg.de> writes:

>> 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"?

Argh -- BioC has something close to that for builds.  The release
folks will have to explore that issue!

-- 
Anthony Rossini			    Research Associate Professor
rossini@u.washington.edu            http://www.analytics.washington.edu/ 
Biomedical and Health Informatics   University of Washington
Biostatistics, SCHARP/HVTN          Fred Hutchinson Cancer Research Center
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[Rd] The Depends: field of a package is now used by library()
A.J. Rossini