[R-pkg-devel] registering native routines

Rampal Etienne rampaletienne at gmail.com
Tue Apr 10 23:30:34 CEST 2018

Dear Thomas,

Yes, I followed all those suggestions but it did not fix the x64 notes. 
Indeed I am using Windows. I am going to try this on a Linux system.

Cheers, Rampal

On 10-Apr-18 14:17, Thomas Petzoldt wrote:
> Hi,
> I assume you followed "Writing R Extension" and the examples given in 
> package deSolve (and maybe some other packages).
> Am I right that this fixed the i386 notes, but not for x64?
> Here I conclude that you tested it on Windows. This is relevant, 
> because I remember a recent discussion (maybe on this mailing list), 
> that the "register native routines" check can sometimes produce false 
> positives on Windows.
> Would it be possible for you, to check your package on a recent Linux 
> system?
> Thomas Petzoldt
> Am 10.04.2018 um 13:19 schrieb Rampal S. Etienne:
>> Dear all,
>> I am using Fortran code with the deSolve package in my package called
>> "DDD". When checking my package I get the message:
>> checking compiled code ... NOTE
>> File 'DDD/libs/x64/DDD.dll':
>>    Found no calls to: 'R_registerRoutines', 'R_useDynamicSymbols'
>> It is good practice to register native routines and to disable symbol 
>> search.
>> Although it is "just" a note, I would like to solve this, but after
>> quite some googling, I cannot find a solution.
>> I have tried
>> tools::package_native_routine_registration_skeleton('.')
>> but this produces nothing, or only an empty file when I specify the
>> argument con. I put the following R-init_DDD.c in the src folder and
>> useDynLib("DDD",.registration = TRUE) in the namespace file. #include
>> <R.h> #include <Rinternals.h> #include <stdlib.h> // for NULL #include
>> <R_ext/Rdynload.h> /* .Fortran calls */ extern void
>> F77_NAME(fill1d)(double *vec, int *DIMP, double *parms, int *II); extern
>> void F77_NAME(initmod)(void (*steadyparms)(int *, double *)); extern
>> void F77_NAME(runmod)(int *neq, double *t, double *Conc, double *dConc,
>> double *yout, int *ip); static const R_FortranMethodDef FortranEntries[]
>> = { {"fill1d", (DL_FUNC) &F77_NAME(fill1d), 4}, {"initmod", (DL_FUNC)
>> &F77_NAME(initmod), 1}, {"runmod", (DL_FUNC) &F77_NAME(runmod), 6},
>> {NULL, NULL, 0} }; void R_init_DDD(DllInfo *dll) {
>> R_registerRoutines(dll, NULL, NULL, FortranEntries, NULL);
>> R_useDynamicSymbols(dll, FALSE); }
>> Note that I only get the message for x64, but I don't get it for i386,
>> which I did before. So somehow, this is only an issue on 64-bit? How do
>> I fix this?
>> Regards,
>> Rampal

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