R devel - Jun 2011 - Problem to execute a function loading by my package that I created

Hello,

I'm a beginner on R.

I should create a package on R. The name of my package is SGeMS.
In my package, I have a big program writed in C++. This program compiles in
C++. I put this program in SGeMS/src.
In my program, I added a header file and a source file named respectively
CreateFile.h and CreateFile.cpp.
CreateFile contains 5 functions : File, FileGeneral, FileData, FileVariogram
and FileDistribution.

I use the package Rcpp to compile this. So in CreateFile.h, I added
'RcppExport' in front of all the functions.
I compiled my package with R CMD INSTALL SGeMS. The compilation works.

In R, I put :
> library("SGeMS")
Loading required package: Rcpp
> is.loaded("File")
[1] TRUE
> is.loaded("FileGeneral")
[1] TRUE
> is.loaded("FileData")
[1] TRUE
> is.loaded("FileVariogram")
[1] TRUE
> is.loaded("FileDistribution")
[1] TRUE
> FileGeneral("parameters.par",general,3.0)
Error in .Call("FileGeneral", NameFile, general, SK_mean, PACKAGE =
"SGeMS")
: 
  C symbol name "FileGeneral" not in DLL for package "SGeMS"

So I have a mistake. But I didn't know why.
Is it possible to put folders and subfolders in /src ?

Awaiting reply,

Pauline

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I still look for my problem.
I think that maybe my Makefile is not good.

In my folder src of my package, I put an existing program. In this program,
I had already a makefile.
So I kept this makefile and I changed.

I saw that it's better to have a file Makevars to compile. But I don't
know
what is a file Makevars and I don't know how I can gather the files Makefile
and Makevars together.

Thank you in advance,

Pauline

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