[Rcpp-devel] package using Rcpp aborting with: terminate called after throwing an instance of 'Rcpp::not_compatible' inside class__newInstance()

[Simon Urbanek]

Many thanks, Dirk! It does indeed fix the problem, very much appreciated!
Simon


On Nov 21, 2015, at 5:01 PM, Dirk Eddelbuettel <edd at 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 at max:~/git/guitar(master)$ 
> | 
> | We had the same thing in the Rcpp examples and did this:
> | 
> | 2015-08-26  Dirk Eddelbuettel  <edd at 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.Hornik at 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 | edd at debian.org
>