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A general description is here.
‘R CMD config’ now make use of personal ‘Makevars’ files under ‘~/.R’ and a site file ‘Makevars.site’, in the same way as ‘R CMD SHLIB’ and ‘R CMD INSTALL’. This makes the utility more useful in package ‘configure’ scripts.
On Windows the personal files may require the environment variable ‘HOME’ set.
The old behaviour can be obtained with the new options ‘--no-user-files’ and ‘--no-site-files’.
On Windows in R 3.0.0, ‘savePlot()’ failed because of a bad check on the argument count.
