Re: [R] rgl build warnings and loading error on Linux

From: Liviu Andronic <landronimirc_at_gmail.com>
Date: Wed, 09 Apr 2008 16:53:49 +0200

Dear R users,

This is a follow-up of a recent discussion on building rgl on Gentoo Linux. Please read bellow.

On Tue, Mar 18, 2008 at 7:24 PM, Charles C. Berry <cberry_at_tajo.ucsd.edu> wrote:
> Below substitute 'nvidia-drivers' or whatever you use for
> <your-video-drivers>
>
> emerge -D mesa <your-video-drivers>
> revdep-rebuild -X
> R
> install.packages("rgl")
>

I have entirely updated my system using "emerge -tva -DNu world", also meaning that I switched to R version 2.6.2. I have rebuilt all packages broken by this update using "revdep-rebuild -i -tva -X". Just to make sure, afterwards I have also "emerge -tva mesa xf86-video-i810". My mesa USE flags look like this: localhost liviu # eix mesa
media-libs/mesa

     Installed versions: 7.0.2(15:23:17 09/04/08)(video_cards_i810 -debug -doc -kernel_FreeBSD -motif -nptl -pic [..])

Building and loading rgl has only switched the error message:
> dyn.load("/usr/lib/R/library/rgl/libs/rgl.so")
Error in dyn.load("/usr/lib/R/library/rgl/libs/rgl.so") :   unable to load shared library '/usr/lib/R/library/rgl/libs/rgl.so':   /usr/lib/R/library/rgl/libs/rgl.so: undefined symbol: glNormal3f

Previously it was: "undefined symbol: glTexCoordPointer".

Does this look like an rgl or a Gentoo Linux issue? Would any of the disabled mesa USE flags be worth enabling?

Thank you in advance,
Liviu



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