On 4/17/2007 10:43 PM, Ross Boylan wrote: > I get the error > undefined symbol: Rf_rownamesgets > when I try to load my package, which include C++ code that calls that > function. This is particularly strange since the code also calls > Rf_classgets, and it loaded OK with just that. > > Can anyone tell me what's going on? > > For the record, I worked around this with the general purpose > attribute setting commands and R_RowNamesSymbol. I discovered that > even with that I wasn't constructing a valid data.frame, and fell back > to returning a list of results. > > I notice Rinternals.h defines > LibExtern SEXP R_RowNamesSymbol; /* "row.names" */ > twice in the same block of code. > > I'm using R 2.4.1 on Debian. The symbol seems to be there: > $ nm -D /usr/lib/R/lib/libR.so | grep classgets > 00032e70 T Rf_classgets > $ nm -D /usr/lib/R/lib/libR.so | grep namesgets > 00031370 T Rf_dimnamesgets > 00034500 T Rf_namesgets
I don't see Rf_rownamesgets there, or in the R Externals manual among the API entry points listed. Can't you use the documented dimnamesgets? Duncan Murdoch > The source includes > #define R_NO_REMAP 1 > #include <R.h> > #include <Rinternals.h> > and later > #include <memory> // I think this is why I needed R_NO_REMAP > > I realize this is not a complete example, but I'm hoping this will > ring a bell with someone. I encountered this while running > R CMD check. The link line generated was > g++ -shared -o mspath.so AbstractTimeStepsGenerator.o Coefficients.o > CompositeHistoryComputer.o CompressedTimeStepsGenerator.o Covariates.o Data.o > Environment.o Evaluator.o FixedTimeStepsGenerator.o LinearProduct.o Manager.o > Model.o ModelBuilder.o Path.o PathGenerator.o PrimitiveHistoryComputer.o > SimpleRecorder.o Specification.o StateTimeClassifier.o SuccessorGenerator.o > TimePoint.o TimeStepsGenerator.o mspath.o mspathR.o -L/usr/lib/R/lib -lR > > Thanks. > Ross > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel