[Rd] update.packages(checkBuilt=TRUE, ask=FALSE): possible bug

[Dirk Eddelbuettel]

On 6 August 2015 at 20:16, Jose Claudio Faria wrote:
| The bug described is occurring with all recent distributions available!
| 
| I discovery today, after install R version 3.2.2 beta (2015-08-04 r68843),
| that the bug happens when I copy my packages from old distribution to the
| library folder (being careful not to overwrite the newer ones that comes
| with the distribution). I've been doing this for a long time.

That is a bad approrach.

Use a user-library setting (eg environment variable R_LIBS_USER) to pick a
_fixed_ library directory (I used to use C:/opt/R/R-library) which you can
use from R version to R version before and after upgrades. 

Dirk

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