[R] Installing Rstreams lib

[Prof Brian D Ripley]

On Fri, 1 Jun 2001, Martina Pavlicova wrote:

>
> Dear R-helpers,
>
> I am trying to install Rstreams library on the following platform:
> ----------------------------
> platform alphaev67-dec-osf5.0
> arch     alphaev67
> os       osf5.0
> system   alphaev67, osf5.0
> status
> major    1
> minor    2.3
> year     2001
> month    04
> day      26
> language R
> ---------------------------
>
> Unfortunately, I get these error messages:
> ---------------------------
> > [557] R CMD INSTALL Rstreams_1.1-2.tar.gz
> 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
>  libs
> gcc -I/usr/local/lib/R/include -DHAVE_CONFIG_H -I/usr/local/include -mieee
> - -O2 -c Rstreams.c -o Rstreams.o
> In file included from
> /usr/local/lib/gcc-lib/alphaev6-dec-osf5.0/2.95.2/includestdarg.h:36,
>                  from /usr/local/lib/R/include/R_ext/Print.h:23,
>                  from /usr/local/lib/R/include/R.h:50,
>                  from Rstreams.c:21:
> /usr/local/lib/gcc-lib/alphaev6-dec-osf5.0/2.95.2/include/va-alpha.h:36:
> warnin: redefinition of `va_list'
> /usr/local/lib/gcc-lib/alphaev6-dec-osf5.0/2.95.2/include/va_list.h:7:
> warning:`va_list' previously declared here
> 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
> make: *** [Rstreams.o] Error 1
> ERROR: Compilation failed for package `Rstreams'
> > [558]
> --------------------------
>
>
> Does anybody know what is wrong or what should I do?

Eh?  That code says

        case 8:
            if (read(*handle, &d1, size) <= 0) goto enddata;
            if (*swapbytes) swap(&d1, size);
            result[i] = d1;
            break;
#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;
            break;
#endif

and identical tests are used in the binary connections part of R itself,
where they presumably did work. You may need to edit the src/config.h file,
as it looks as if the configure script has got it wrong, and use R INSTALL
--no-configure.

Also there is very little that Rstreams can do that you cannot do as well
with binary connections in base R.

-- 
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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