On 12 July 2018 at 15:56, Iñaki Úcar wrote: | El jue., 12 jul. 2018 a las 15:32, Vissarion Fisikopoulos | (<fisi...@gmail.com>) escribió: | > | > Hi all, | > | > I am mentoring a gsoc project on development of a C++ library with an | > R interface using Rcpp. | > | > Currently the project has the following structure: let root be the | > main folder of the package, the default Rcpp package structure is in | > root/R-proj, C++ header files are in root/include and we have some | > tests for the C++ functions in root/test as well as external libraries | > in root/external. | > | > The package can be installed successfully without any problems (since | > in makevars we include all the files from root/include) but if we run | > devtools::check() in root/R-proj, it returns an error because it seems | > that it is not able to see files outside R package main folder which | > is root/R-proj. | > | > It seems that devtools expect to have C++ sources inside root/R-proj | > but then either we mix the C++ sources with the R interface or we keep | > two copies of the C++ sources (one inside R-proj and one outside). | > Since both solutions seem problematic to me I would like to ask what | > is the recommended structure for such a project? | | See this thread: | https://stat.ethz.ch/pipermail/r-package-devel/2017q2/001680.html | | Summing up, a shared library must be installed in a standard location, | otherwise, it should be under R-proj/src. For example, this is what | MonetDBLite does: | https://github.com/hannesmuehleisen/MonetDBLite-R/tree/master/src | | If you are using git, I think that a good approach is to have a repo | for the main C++ library and to add it as a git submodule under src/ | in the R package repo. This eases the burden of code synchronisation. | But then you need to remember to always clone recursively.
Or have it in the same repo but maybe copy/link at build time. The package layout requirement is an R issue, and is not imposed by Rcpp. Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
