Martin, On Wed, Aug 25, 2010 at 10:17 AM, Loos, Martin <martin.l...@eawag.ch> wrote:
> Good afternoon! > > It may seem trivial to some/most of You, but I found it difficult to > properly include a C++-based .dll into a package that I want to build for > usage in R. I read through the "Writing R extensions..." & "R administration > ..." instructions, but it seems I did not "grasp the bigger picture". > > The way I figured out to use the .dll in my package finally worked for > using that package from the R console, but it gives multiple error and > warning messages when running the RCMD check pkg command in the shell. > > What I did: I created the package skeleton via package.skeleton() including > a function that makes both (1) a > library.dynam() call to a .dll and (2) a .C() call including the name of > the function in that DLL. Next, I run RCMD INSTALL pkg to install the > package and then created a /lib folder in the installed package containing > the .dll file. > As you say below, the way to go here is to add a /src folder in the package skeleton which contains your C/C++ code and header files and then run R CMD INSTALL, which will compile your code into a .dll file and place it in the appropriate directory, ie the /lib directory. It should not be necessary to do this manually. hth, Ingmar PS: It's hard to tell what is going wrong without the actual error messages. > I tried alternatives, e.g., (a) containing a /src folder in may package > skeleton with the .dll in it and/or (b) including zzz.R with a .First.lib > function including the library call .... but nothing worked out when running > the package check. > > help! thank You very much, MArtin > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
