[Rcpp-devel] RcppArmadillo error

[Romain Francois]

Hello,

We are about to release RcppArmadillo 0.2.0 which works with Rcpp 0.8.0 
and includes armadillo so all these issues should disappear.

Romain

Le 18/05/10 14:04, Abhisek a écrit :
> i thought i would repost here as it is a similar problem:
>
> i updated Rcpp and then RcppArmadillo and when i run : export
> PKG_CXXFLAGS=`Rscript -e "RcppArmadillo:::CxxFlags()"`
>
> i get the following error
>
> abhisek at shieks:~/Desktop/Personal/Test$ export PKG_CXXFLAGS=`Rscript -e
> "RcppArmadillo:::CxxFlags()"`
> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>    unable to load shared library
> '/home/abhisek/R/i486-pc-linux-gnu-library/2.10/RcppArmadillo/libs/RcppArmadillo.so':
>
> /home/abhisek/R/i486-pc-linux-gnu-library/2.10/RcppArmadillo/libs/RcppArmadillo.so:
> undefined symbol: _ZN4arma12arma_version5majorE
> Calls: ::: ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
> Execution halted
>
> i tried recompiling RcppArmadillo, as well as uninstalling and
> reinstalling RcppArmadillo from install.packages() to no avail.
>
> could someone assist?
>
> many thanks!
> abhisek
>
>
> On Wed, Apr 14, 2010 at 6:51 PM, Davor Cubranic
> <davor.cubranic at alumni.cs.ubc.ca
> <mailto:davor.cubranic at alumni.cs.ubc.ca>> wrote:
>
>     On April 13, 2010 04:28:31 am Abhisek wrote:
>      > sorry to raise this again after a hiatus.  I updated to the latest
>      >  Rcpp (0.7.11) and when I tried the following commands:
>     [...]
>      > /home/abhisek/R/i486-pc-linux-gnu-library/2.10/RcppArmadillo/libs/Rcp
>      > pArmadillo.so: undefined symbol:
>      >  _ZN4Rcpp4growINS_5NamedEEEP7SEXPRECRKT_S3_ Calls: ::: ... tryCatch
>      >  -> tryCatchList -> tryCatchOne -> <Anonymous> Execution halted
>
>     I ran into a similar error today after I upgraded my version of Rcpp
>     from 0.7.10 (or maybe 0.7.10.1) to 0.7.11:
>     /opt/R-2.10.1/lib/R/library/RcppArmadillo/libs/RcppArmadillo.so:
>     undefined symbol:
>     _ZN4Rcpp8internal12set_list_eltINS_5NamedEEEbP7SEXPRECS4_iRKT_
>
>     In my case, uninstalling RcppArmadillo and then installing it again
>     fixed
>     the error.
>
>     Maybe a new package version scheme is necessary to make it easier to
>     keep RcppArmadillo and Rcpp in sync? Would bumping up version numbers
>     more when there is a breaking API change help? For instance, when Named
>     was eliminated between 0.7.10 and 0.7.11, the new version could have
>     been called 0.8. RcppArmadillo packages would then depend on the Rccp
>     version being less than the next major API change.
>
>     Davor


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Romain Francois
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