[Rd] Installed file locations (PR#1118)
Sat, 6 Oct 2001 16:21:27 +0200 (MET DST)
On Fri, 5 Oct 2001 firstname.lastname@example.org wrote:
> R (1.3.1) appears to have a bug (well a mis-feature, I suppose).
I believe you mis-understand the wisdom of the feature.
> It places architecture-specific and architecture-dependent files in
> the same locations. This means that the common files cannot be shared
> across installations on multiple architectures.
> It would be nice if it could separate these under exec_prefix and
> prefix and look in the relevant one for each file.
What would be `nice' about it? There are `architecture-specific' (also
known as `architecture-dependent', sic) files all over the place in R.
There are few files that are not platform-dependent: for example many of
the help files and the base R code file are. Many of these are not
executables and do not belong under `exec_prefix'.
This cannot be a space issue this century (as it was originally I believe),
as surely you can afford the disc space for copies of R for each of a
sensible number of platforms?
Suppose one did combine the trees for i386-linux and ppc-linux. What do
you think would happen when i386-linux is upgraded and ppc-linux is not?
And R is designed to be upgraded on the fly, using update.packages(). We
have public R installations for sparc-solaris, i386-linux and Windows and
sharing them for R would be a nightmare for the administrators. (We do
share them for TeX, for example.)
Brian D. Ripley, email@example.com
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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