Thanks Kevin, that fixed the compilation issue. On to the next! Brad
On Mon, Apr 19, 2021 at 5:06 PM Kevin Ushey <kevinus...@gmail.com> wrote: > I suspect the cause is this: > > > https://github.com/bradleyjeck/epanet2toolkit/blob/aa698568ab85db133f8634928e8cfe661b41ed57/src/epanet2.h#L42-L61 > > Usually, you only need to explicitly use __declspec if you're > compiling with MSVC -- it shouldn't be necessary when using a MinGW > toolchain (as R's toolchain is). You could try adding something like: > > #ifdef __MINGW32__ > #define DLLEXPORT > #endif > > If you need to test locally on Windows, there are free virtual > machines available here: > https://developer.microsoft.com/en-us/microsoft-edge/tools/vms/ > > Best, > Kevin > > On Mon, Apr 19, 2021 at 2:14 AM Brad Eck <bradleyj...@gmail.com> wrote: > > > > Dear List - > > > > I'm working to get a package of mine that was archived last year back on > to > > CRAN. > > The epanet2toolkit provides an R interface to the EPANET simulation > engine > > that is written in C. > > > > The latest development version of the package builds and checks ok on mac > > and linux but fails to > > compile and install on windows with a bunch of errors like: > > > > undefined reference to `_imp__*` > > > > where * is some function defined in a header file and implemented in the > > corresponding source file. > > > > Am i missing a compiler flag or something? > > > > Current output from winbuilder : > > https://win-builder.r-project.org/9aIcl8Fxu7w1/00install.out > > or https://pastebin.com/8JQNpNKp > > > > source code: https://github.com/bradleyjeck/epanet2toolkit/tree/v22dev > > > > Any insights appreciated. > > > > Brad > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-package-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-package-devel > [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel