From: Prof Brian Ripley (email@example.com)
Date: Wed 13 Jun 2001 - 02:30:13 EST
On Tue, 12 Jun 2001, Laurent Gautier wrote:
> Dear R-users,
> I successfully installed the package Rstreams under linux, but my first
> attempt to do so on SGI IRIX 6.5 (64bits) lead to the following error
> laurent@genome> R CMD INSTALL Rstreams
> Installing source package `Rstreams' ...
> creating cache ./config.cache
> checking for ftruncate... yes
> checking size of long double... 16
> updating cache ./config.cache
> creating ./config.status
> creating src/config.h
> gcc -I/home/ibiology1/laurent/share/irix64/lib/R/include -DHAVE_CONFIG_H
> -I/usr/local/include -fPIC -O2 -c Rstreams.c -o Rstreams.o
> Rstreams.c: In function `readfloat':
> Rstreams.c:179: duplicate case value
> Rstreams.c:173: this is the first entry for that value
> Rstreams.c: In function `writefloat':
> Rstreams.c:284: duplicate case value
> Rstreams.c:278: this is the first entry for that value
> gmake: *** [Rstreams.o] Error 1
> ERROR: Compilation failed for package `Rstreams'
> I suspect an obvious mistake from my side, but I just cannot see what is
> wrong at the moment.
We've seen this before, on an Alpha. Something is wrong in the configure,
for the code reads
if (read(*handle, &d1, size) <= 0) goto enddata;
if (*swapbytes) swap(&d1, size);
result[i] = d1;
#if SIZEOF_LONG_DOUBLE > 8
case sizeof(long double):
if (read(*handle, &e1, size) <= 0) goto enddata;
if (*swapbytes) swap(&e1, size);
result[i] = (double) e1;
so this will only happen if sizeof(long double) is 8 and
SIZEOF_LONG_DOUBLE > 8. I am very surprised that sizeof(long double)
is 8 on a 64-bit machine (SGI or Alpha) but that may reflect limitations
What does src/config.h say SIZEOF_LONG_DOUBLE is?
I can only presume that you have different compilers or compiler options
at configure and build times. You may need to set CC=gcc, for example.
As a more general point, there is nothing in Rstreams that cannot be done
with binary connections, except reading S data objects which package
foreign now covers. So for new code, use the alternatives.
-- Brian D. Ripley, firstname.lastname@example.org 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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