[Rcpp-devel] linking error when using matrices?

Romain Francois romain at r-enthusiasts.com
Tue Nov 26 01:03:29 CET 2013

Have you compiled Rcpp from source ?
If not, are you compiling with the same compiler that was used to 
compile Rcpp.

The cran binary for Rcpp 0.10.6 was built with llvm-g++ wherehas 
preseumably you are using clang now on Mavericks.

Please try compiling Rcpp from source.


Le 26/11/2013 00:59, Hao Ye a écrit :
> Hi,
> I just got started using Rcpp after spending a fair amount of time working in the two separately. I'm currently running into some errors with c++ code that tries to use the matrix classes in Rcpp:
>>> library(Rcpp)
>>> cppFunction("int mwe() {NumericMatrix mat(1,1); return 0;}")
>> Error in dyn.load("/var/folders/zf/w0dsd0yn3d7czjqv5rbj9xph0000gn/T//RtmplA25bk/sourcecpp_fb48bcd5d63/sourceCpp_14740.so") :
>>    unable to load shared object '/var/folders/zf/w0dsd0yn3d7czjqv5rbj9xph0000gn/T//RtmplA25bk/sourcecpp_fb48bcd5d63/sourceCpp_14740.so':
>>    dlopen(/var/folders/zf/w0dsd0yn3d7czjqv5rbj9xph0000gn/T//RtmplA25bk/sourcecpp_fb48bcd5d63/sourceCpp_14740.so, 6): Symbol not found: __ZNK4Rcpp7RObject4attrERKNSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE
>>    Referenced from: /var/folders/zf/w0dsd0yn3d7czjqv5rbj9xph0000gn/T//RtmplA25bk/sourcecpp_fb48bcd5d63/sourceCpp_14740.so
>>    Expected in: flat namespace
>>   in /var/folders/zf/w0dsd0yn3d7czjqv5rbj9xph0000gn/T//RtmplA25bk/sourcecpp_fb48bcd5d63/sourceCpp_14740.so
> This is the same basic error I get when I try to run the RcppGibbs.R example or Rcpp-unitTests.R. C==filt says the
> I'm currently on OS X 10.9 with R 3.0.2 and Rcpp 0.10.6.
> Does anyone know how to fix this?
> Best,
> --
> Hao Ye
> hye at ucsd.edu

Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30

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