[Rd] R's DYLD_LIBRARY_PATH override problems on Mac OS X
Jan de Leeuw
deleeuw at stat.ucla.edu
Mon May 26 08:41:10 MEST 2003
I don't think there is a reason to set DYLD_LIBRARY_PATH in bin/R.
Not even fink sets this variable.
--- Jan
On Monday, May 26, 2003, at 04:25 US/Pacific, Simon Urbanek wrote:
> In Mac OS X native version: The R shell wrapper (bin/R) overrides
> default library search path with DYLD_LIBRARY_PATH and adds (among
> others) /usr/X11R6/lib. This causes problems when modules need
> (directly or indirectly) libraries from Apple's frameworks which are
> masked by X11. Examples for such packages are SJava and RGL. SJava
> needs JavaVM which in turn loads OpenGL framework. RGL needs the
> OpenGL framework directly. The problem is that specifying
> /usr/X11R6/lib in DYLD_LIBRARY_PATH forces the libGL to be loaded from
> the X11 directory instead of the OpenGL framework library. This
> crashes R due to missing symbols, since the modules must link to the
> OpenGL framework. In fact the OpenGL framework libraries load the X11
> libraries internally (but not vice versa) - that's why the default
> load path is frameworks first then X11.
>
> Currently a workaround is to remove /usr/X11R6/lib in R from the
> environment variable prior to loading those packages, but more general
> solution would be better imho. Is the /usr/X11R6/lib really necessary
> in the DYLD_LIBRARY_PATH for some older OS X versions? At least for OS
> X 10.2 with Apple's X11 it is not necessary since X11 is already in
> the default load path.
> Btw: the situation didn't crash R in OS X 10.1 (you could load libGL
> from X11 instead of the framework). To analyze the situation: by
> setting DYLD_PRINT_LIBRARIES=1 you can see exactly the sequence of
> loaded libraries and their locations.
>
> Cheers,
> Simon
>
> _
> platform powerpc-apple-darwin6.6
> arch powerpc
> os darwin6.6
> system powerpc, darwin6.6
> status Patched
> major 1
> minor 7.0
> year 2003
> month 05
> day 15
> language R
>
> ---
> Simon Urbanek
> Department of computer oriented statistics and data analysis
> University of Augsburg
> Universitätsstr. 14
> 86135 Augsburg
> Germany
>
> Tel: +49-821-598-2236
> Fax: +49-821-598-2280
>
> Simon.Urbanek at Math.Uni-Augsburg.de
> http://simon.urbanek.info
>
> ______________________________________________
> R-devel at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-devel
>
>
===
Jan de Leeuw; Professor and Chair, UCLA Department of Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical
Software
US mail: 9432 Boelter Hall, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550; fax (310)-206-5658; email: deleeuw at stat.ucla.edu
homepage: http://gifi.stat.ucla.edu
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