Re: [Rd] [Fwd: opened symbols in available.]

From: Dirk Eddelbuettel <>
Date: Sun, 29 Nov 2009 16:10:36 -0600

Two quick comments while I catch up with the email back log from travelling:

On 28 November 2009 at 10:50, Guillaume Yziquel wrote:
| I've been told that there's an interesting scheme, used by r-base-ra, to

It's 'r-base-core-ra' and I mentioned that in off-line email only to show that you can arrange to have more than one R interpreter in Debian.

On 29 November 2009 at 16:54, Guillaume Yziquel wrote:
| Interfacing to hidden symbols in order to try out stuff from an
| interactive session is also a good reason. I'd rather have to deal with
| a moving API than contemplating an API moving.

As Duncan, Uwe, and I have told you already, this may get frustrating in the long run as changes may break your bindings. Accessing a hidden API is doing so against the wishes of the API designers / maintainers...

| That's what I did. As I did not want to screw up my whole Debian system,
| I built up a package, which might be useful for people writing language
| bindings. It's pointless to buy a second computer or meddle with chroots
| just to recompile R. That's all.

You do not need a chroot or second computer either. Just how r-base-core-ra uses the normal --prefix argument to configure to install into a second, non-overlapping file tree, you could use /usr/lib/ROcaml/ or some directory other than /usr/lib/R + /usr/share/R which are taken by the R package for Debian. R developers use the same --prefix trick to keep r-releases, r-patched, r-devel, ... installed at the same time.

Anyway, good luck with the endeavour. Something useful may well come from it.

Cheers, Dirk

Three out of two people have difficulties with fractions.

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Received on Sun 29 Nov 2009 - 22:20:13 GMT

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