[Rcpp-devel] Two problem trying to install a package with modules (e.g. testmod) on windows and on CRAN

[Robin Girard]

(sorry for posting again , I sent the first one before confirmation of subscription) 

Dear rcpp-devel list, 

I am encountering 2 different problems with Rcpp modules (which by the way are sooo impressively great !) during the install phase of testmod, 

---------1st problem
while trying to check package testmod (to use module) I got : 

File 'testmod/R/zzz.R':
  .onLoad calls:
    require("methods", character = TRUE, quietly = TRUE)

Package startup functions should not change the search path.
See section 'Good practice' in ?.onAttach.

.onLoad: warning in require("methods", character = TRUE, quietly =
  TRUE): correspondance partielle d'argument de 'character' par rapport 'character.only'

(Windows R v2.15.2, last Rtools, ...)
I'm not really used to all these package stuff and clearly do not understand what's happening. Any solution ?

Actually I have the same error on another package I just tryied to submitt to CRAN but I guess that this won't be accepted ... 


-----------2nd problem 

My package was actually rejected on CRAN because it does not compile on Uwe Ligges's windows system, logs are attached and start like that 

* installing *source* package 'ConConPiWiFun' ...
** libs

*** arch - i386
g++  -I"D:/RCompile/recent/R/include" -DNDEBUG `Rscript -e 'Rcpp:::CxxFlags()'`   -I"d:/RCompile/CRANpkg/lib/3.0/Rcpp/include" -I"d:/Rcompile/CRANpkg/extralibs215/local215/include"     -O2 -Wall  -mtune=core2 -c OptimMargInt.cc -o OptimMargInt.o
OptimMargInt.cc: In member function 'cplfunction& cplfunction::Etoile()':
OptimMargInt.cc:254:34: warning: variable 'firstBreakVal' set but not used [-Wunused-but-set-variable]
OptimMargInt.cc: In member function 'double cplfunction::Argmin()':
OptimMargInt.cc:386:16: warning: 'res' may be used uninitialized in this function [-Wuninitialized]
g++ -shared -s -static-libgcc -o ConConPiWiFun.dll tmp.def OptimMargInt.o d:/RCompile/CRANpkg/lib/3.0/Rcpp/lib/x64/libRcpp.a -Ld:/Rcompile/CRANpkg/extralibs215/local215/lib/i386 -Ld:/Rcompile/CRANpkg/extralibs215/local215/lib -LD:/RCompile/recent/R/bin/i386 -lR
OptimMargInt.o:OptimMargInt.cc.text+0x6d): undefined reference to `vtable for Rcpp::RObject'
OptimMargInt.o:OptimMargInt.cc.text+0xad): undefined reference to `Rcpp::RObject::setSEXP(SEXPREC*)'
OptimMargInt.o:OptimMargInt.cc.text+0xbb): undefined reference to `void Rcpp::internal::r_init_vector<19>(SEXPREC*)'
OptimMargInt.o:OptimMargInt.cc.text+0xe3): undefined reference to `Rcpp::RObject::~RObject()'
OptimMargInt.o:OptimMargInt.cc.text+0x13d): undefined reference to `vtable for Rcpp::RObject'
.....
...
..

 I do not understand the logs but I know 2 things : 
          a- It compiles and works properly on my windows system (and on mac and linux actually).  
          b- I had exactly the same error message 2 days ago while trying to run checks on testmod package and it get sorted when I updated my version of RTools. Is it possible that Uwe Ligges has an outdated version of Rtools ? or do you have any idea of where this can come from ? 


Best regards 
Robin 



________________________________________________________
Dr. Girard Robin
Chargé de Recherche

MINES-ParisTech / PERSEE
Centre Procédés, Energies Renouvelables & Systèmes Energétiques
Center for Processes, Renewable Energies & Energy Systems  
Renewable Energies & Smartgrids Group ERSEI

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