Dear R useRs,
on ubuntu 8.04 i try to create a shared object out of a c-file
this is
// add.c
#include <Rinternals.h>
SEXP addiere(SEXP a, SEXP b)
{
int i, n;
n = length(a);
for (i = 0; i < n; i++)
REAL(a)[i] += REAL(b)[i];
return(a);
}
in terminal i type
R CMD SHLIB add.c
and get
gcc -std=gnu99 -shared -o add.so add.o -L/usr/lib/R/lib -lR
add.o: file not recognized: File format not recognized
my gcc version is 4.2.3 and my R version is 2.7.2.
Searching R-help, Writing R Extensions and R Installation and
Administration guide
i don't get any idea whats wrong here?
Creating a dll-file on windows xp with the same c-file works fine.
best regards
Andreas
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