[Rd] Re: [R] Installing R on DEC Alpha - problems with dynamic
Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon Aug 23 13:33:56 CEST 2004
The line in the script as distributed is
That is not the same thing at all. Please confirm that you actually have
a problem with that form. (Your examples should not work, and do not work
for me.) If you do, it is likely that your system's dlclose is
non-standard/broken. However, unloadNamespace is not normally used so it
may be that this does not impact your users.
Please read the posting guide: this is not an appropriate question for
R-help so I have diverted it to R-devel.
On Mon, 23 Aug 2004, Firth, Mike A (ALDP) wrote:
> I have recently installed R on DEC Alpha OSF 5.1.
> The first regression test (reg-test-1.R) failed with an unresolved symbol in
> 2246839:/data/h1/bifdev/apps/wga/R-1.9.1/bin/R.bin: /sbin/loader: Fatal
> Error: call to unresolved symbol from
> /data/h1/bifdev/apps/wga/R-1.9.1/modules/lapack.so (pc=0x3ffbfe22b60)
> Further investigation has revealed that there is NO problem with lapack.so.
> The problem seems to lie in the use of 'unloadNamespace' earlier in the
> On our machine the following line:
> seem to really confuse the dynamic linking/symbol resolution. I have a very
> small example to demonstrate:
> works fine, but:
> falls over with:
> Error in dyn.load(x, as.logical(local), as.logical(now)) :
> unable to load shared library
> dlopen: /data/h1/bifdev/apps/wga/R-1.9.1/library/stats/libs/stats.so:
> symbol "bdrsplerr_" unresolved
> Execution halted
> The unloadNamespace has effectively unloaded a symbol from a completely
> different shared object.
> Can anybody shed any light on this problem?
Brian D. Ripley, ripley at stats.ox.ac.uk
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 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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