[Rcpp-devel] Problem with undefined symbols when building RcppArmadillo

[Comanor, Katherine]

Problem solved by upgrading RcppArmadillo and Rcpp!

Yeah!

Thanks for your help,

Katherine

On 2/27/12 5:40 PM, "Dirk Eddelbuettel" <edd at debian.org> wrote:

>
>Hi Katherine,
>
>Thanks for posting here.
>
>On 27 February 2012 at 17:23, Comanor, Katherine wrote:
>| Hello Dirk,
>| 
>| I went through the thread at:
>http://www.digipedia.pl/usenet/thread/14655/781/
>| as I seem to be running into the same problem, but wasn't able to
>determine a
>| possible solution.
>| 
>| Basically, I'm trying to build R's RcppArmadillo, and although the
>build does
>| succeed, it has undefined symbols in the binary library file
>RcppAramdillo.so
>| which causes R's Forecast library, which depends on RcppArmadillo, not
>to build
>
>On OS X with g++ 4.2.1, I suspect?
>
>| as a result of these undefined symbols.  I'm trying to build Forecast
>3.16
>| using RcppArmadillo 0.2.34 and Rcpp 0.9.9.
>| 
>| Here are the undefined symbols dealing with "version":
>| 
>| nm RcppArmadillo.so| grep -i version
>| 000000000001022e t _GLOBAL__I_armadillo_version
>|                  U _ZN4arma12arma_version5majorE
>|                  U _ZN4arma12arma_version5minorE
>|                  U _ZN4arma12arma_version5patchE
>
>It is a known issue that confused us a little--and we don;t really run
>this
>platform--but thankfully Gershon Bialer sent us a patch. From ChangeLog:
>
>  2011-12-29  Dirk Eddelbuettel  <edd at debian.org>
>
>  	  * src/RcppArmadillo.cpp: Force instantiation of arma version vars
>	  which helps with older OS X compiler, as suggested by Gershon Bialer
>
>and this is now in RcppArmadillo 0.2.35.  Please try that, which itself
>will
>need Rcpp 0.9.10.
>
>Let us know how it goes.
>
>Cheers, Dirk
>
>
>-- 
>"Outside of a dog, a book is a man's best friend. Inside of a dog, it is
>too
>dark to read." -- Groucho Marx