Thank you Iñaki, that was the missing part. The package compiles now.
I removed the RcppExports.cpp and called Rcpp::compileAttributes(). Together with the removal of useDynLib(nloptC) from NAMESPACE compilation succeeded. Again many thanks. Simon Am Mi., 18. Aug. 2021 um 17:28 Uhr schrieb Iñaki Ucar < iu...@fedoraproject.org>: > On Wed, 18 Aug 2021 at 16:37, Simon Zehnder > <simon.zehn...@googlemail.com> wrote: > > > > Hi folks, > > > > apologies, if I am double posting - I had problems with my mail. > > > > I need some help here from experienced Rcpp developers. > > > > I am coding since some time on an R-package using Rcpp and nlopt. Lately > I found out that I could probably use 'nloptr' to include nlopt in my C++ > code, which would give a great advantage to users of my package (instead of > installing nlopt on their systems by hand). > > I followed the example on > https://github.com/jchiquet/RcppArmadilloNLoptExample (the nloptC one) > and modified my code accordingly. When I compile my package I get the error > > > > " Error: package or namespace load failed for ‘finmix’ in > library.dynam(lib, package, package.lib): > > shared object ‘nloptC.so’ not found" > > > > In my DESCRIPTION I use in the 'Imports' and the 'LinkingTo' field > 'nloptr'. In my NAMESPACE I load 'nloptC' via 'useDynLib(nloptC)'. > > Remove this. The example has useDynLib(nloptC) because the package is > called nloptC. Your package is called finmix, so you just need > useDynLib(finmix) in the NAMESPACE. > > > What I saw in the example's 'RcppExports.cpp' file is > > > > RcppExport void R_init_nloptC(DllInfo *dll) { > > R_registerRoutines(dll, NULL, CallEntries, NULL, NULL); > > R_useDynamicSymbols(dll, FALSE); > > } > > You have R_init_finmix instead, same reason as above. > > -- > Iñaki Úcar >
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