Thank you Serguei, I tried this, but I still get the "undeclared identifier"
error for these internal functions during package compilation:
clang++ -arch arm64 -std=gnu++14
-I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG
-I'/Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library/Rcpp/include'
-I'/Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library/RcppArmadillo/include'
-I/opt/R/arm64/include -fPIC -falign-functions=64 -Wall -g -O2 -c
testertracenuCpp.cpp -o testertracenuCpp.o
testertracenuCpp.cpp:112:9: error: use of undeclared identifier 'matcentrageCpp'
i = matcentrageCpp (ti1p, pl, typ1);
^
Jean
> Le 23 juin 2022 à 15:17, Serguei Sokol <[email protected]> a écrit :
>
> Le 23/06/2022 à 15:02, THIOULOUSE JEAN a écrit :
>> Hi
>> Sorry to bother you again with my C/C++ problems in the ade4 package
>> (available on CRAN & GitHub).
>> Thanks to your help, I have succeeded in converting several of the C
>> functions to C++ using Rcpp. Now the package compiles without problem and
>> all my C++ functions run fine in the dedicated GitHub branch of the package
>> (ade4-Rcpp).
>> The new problem I am facing now is that in ade4, I use a library of about 30
>> utilities functions collected in one file named adesub.c, with adesub.h
>> headers file. From what I understand, during package compilation these
>> functions are added to the ade4 shared library and they can be called by my
>> other C functions without being declared in the init.c or NAMESPACE files,
>> as they do not need to be known by R.
>> I would like to know if it is possible to do the same thing in C++ with Rcpp.
> If I understand correctly you goal, just don't put "// [[Rcpp::export]]"
> before your "internal" functions. They will be available to all C and C++
> functions in src/ but not seen in R. You don't need extra "R CMD SHLIB"
> either.
>
> Best,
> Serguei.
>
> I have found reading the documentation (Dirk's book and Rcpp vignettes) that
> I could use R CMD SHLIB to build a shared library and then dyn.load it in R.
> I have created a file named ade4lib.cpp containing the utilities functions in
> the src directory, and I can make the shared library (ade4lib.so) with RCMD
> SHLIB. But this does not solve my problem because, as I understand it, this
> makes the utilities library functions available to R (which is useless since
> they are not interfaced correctly to R but to C++), and not to the other C++
> functions (which is what i need to do).
>> Can anybody see where I am mistaken, and point me to the right direction to
>> accomplish this ?
>> Thank you,
>> Jean
>> —-
>> Jean THIOULOUSE -
>> https://lbbe-web.univ-lyon1.fr/en/annuaires-des-membres/thioulouse-jean
>> https://orcid.org/0000-0001-7664-0598 (ORCID page)
>> https://www.springer.com/fr/book/9781493988488 (ade4 Book)
>> https://pbil.univ-lyon1.fr/JTHome/Biblio/ThioulouseEB2021.pdf (Evol. Biol.
>> paper)
>> _______________________________________________
>> Rcpp-devel mailing list
>> [email protected]
>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
>
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