On 30 January 2005 at 18:03, Faheem Mitha wrote:
| Consider the following file.
|
| *******************************
| foo.cc
| *******************************
| #include <R.h>
| #include <Rinternals.h>
| #include <iostream>
| *******************************
|
| R CMD SHLIB foo.cc
Two changes are required: You absolutely do need extern "C" ... to get C
headers in with C++, and the other is a simple reordering -- not sure where I
learned that can help at times ...
[EMAIL PROTECTED]:/tmp> cat foo.cc
#include <iostream>
extern "C" {
#include <R.h>
#include <Rinternals.h>
}
[EMAIL PROTECTED]:/tmp> R CMD SHLIB foo.cc
g++ -shared -o foo.so foo.o -L/usr/lib/R/lib -lR
[EMAIL PROTECTED]:/tmp> ls -l foo.so
-rwxr-xr-x 1 edd edd 117872 Jan 30 17:16 foo.so
[EMAIL PROTECTED]:/tmp>
Hth, Dirk
--
Better to have an approximate answer to the right question than a precise
answer to the wrong question. -- John Tukey as quoted by John Chambers
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