From Martin Maechler <maechler@stat.math.ethz.ch>  Tue Apr  7 08:37:37 1998
From: Martin Maechler <maechler@stat.math.ethz.ch> (Martin Maechler)
Date: Tue, 7 Apr 1998 09:37:37 +0200
Subject: problems with chron library
In-Reply-To: <9804070855.AA06585@eco-sun.risoe.dk> (kim.pilegaard@risoe.dk)
Message-ID: <199804070737.JAA00491@sophie.ethz.ch>

>>>>> "Kim" == Kim Pilegaard <kim.pilegaard@risoe.dk> writes:

    >> Kim,
    >> 
    >> The chron package is in contrib/devel ----- rather than contrib.
    >> The reason is that it requires R 0.62 (the "unstable" development
    >> version).
    >> 
    >> Your problem might also be the famous ``lingering .Dyn.lib''
    >> problem.  Try to add rm(.Dyn.libs) to your .First function (or at
    >> least try to execute it before
    >> library(chron)).

    Kim> Thanks for the information.  Does this mean that all the packages
    Kim> in contrib/devel requires R 0.62 ?

No, it doesn't mean that.
"devel" means something like:	

	This is a package in DEVELopment, i.e.,
	it is known to have problems under some circumstances.

The "some circumstances"  
	- can mean that not all functions work in current
	  versions of R,

	- can mean that C / Fortran code does not properly link on some
	  architectures,..

	- can mean that the code hasn't been tested thoroughly and is huge
	  (which automatically means it has bugs  :-)

Note that the last case is certainly true  for  'lme', 'dse' and 'design'.
I think all of these three do not require 0.62 at all.

CRAN-maintainers: 
	It certainly would be useful to have a  README file in
		 <<CRAN>>/src/contrib/devel/
But then I agree "devel" just means: 
	``You are on your own if you hope it works'' :-)


    Kim> I don't seem to have .Dyn.lib so that does not help.

too bad.

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problems with chron library
Martin Maechler