Many thanks, Dirk! It does indeed fix the problem, very much appreciated! Simon
On Nov 21, 2015, at 5:01 PM, Dirk Eddelbuettel <e...@debian.org> wrote: > > On 21 November 2015 at 15:47, Dirk Eddelbuettel wrote: > | > | Simon, Carlos, Prateek, > | > | It's an issue between R and guitar. Rcpp is an bystander. > | > | Upon cloning and running R CMD INSTALL we see it end on > | > | *** installing help indices > | ** building package indices > | ** testing if installed package can be loaded > | Found more than one class "Rcpp_Reference" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Reference" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Repository" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Repository" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Index" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Index" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_OID" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_OID" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_ODBObject" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_ODBObject" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_ODB" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_ODB" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Commit" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Commit" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Tree" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Tree" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_TreeEntry" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_TreeEntry" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Blob" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Blob" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Tag" in cache; using the first, from > namespace 'guitar' > | Found more than one class "Rcpp_Tag" in cache; using the first, from > namespace 'guitar' > | * DONE (guitar) > | edd@max:~/git/guitar(master)$ > | > | We had the same thing in the Rcpp examples and did this: > | > | 2015-08-26 Dirk Eddelbuettel <e...@debian.org> > | > | * inst/unitTests/testRcppClass/src/rcpp_module.cpp: Renamed Module > | 'World' to 'RcppClassWorld' to avoid multiple modules with same name > | (pull request #351, fixed issue #350) > | > | * inst/unitTests/testRcppClass/man/Rcpp_class_examples.Rd: Ditto > | * inst/unitTests/testRcppClass/R/load.R: Ditto > | * inst/unitTests/testRcppClass/NAMESPACE: Ditto > | * inst/unitTests/runit.Module.client.package.R: Re-enable test > | > | * inst/unitTests/testRcppModule/src/rcpp_module.cpp: Renamed Module > | 'World' to 'RcppModuleWorld' to avoid multiple modules with same > name > | > | * inst/unitTests/cpp/modref.cpp: Rename 'World' to 'ModRefWorld' > | * inst/unitTests/runit.modref.R (test.modRef): Ditto > | > | * inst/unitTests/cpp/Module.cpp: Rename 'World' to 'ModuleWorld' > | * inst/unitTests/runit.Module.R (test.Module): Ditto > | > | 2015-08-25 Kurt Hornik <kurt.hor...@wu.ac.at> > | > | * R/loadModule.R: For now=TRUE, always set .botched to FALSE which > | corresponds to the case of the methods package being in the search > path > | * inst/include/Rcpp/Reference.h: Call call with the internal > Namespace > | > | > | Something was changed (by MMae as I recall) in that period that affects the > | name lookup and you simply cannot more than one reference to the same name. > | I have not yet looked into guitar -- it may just be that its build is weird > | and symbols appear multiple times. > | > | But "someone" needs to disentangle this. > > It used some guerilla code that "knew better than we did" for loading; all > that stuff changed way back when in 2012 (?) or so -- during Rcpp 0.9.*. > > This was simply stale code. With a simple change, it now passes R CMD check, > for a suitable definition of 'passes'. > > I'll send you a pull request in a minute or two. > > 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
