Hello,
Rcpp has its own mailing list (Rcpp-devel, see
http://lists.r-forge.r-project.org/mailman/listinfo/rcpp-devel).
We lack man power for solaris, and typically we realize there are
issues when it is too late.
If you can help, that would be huge help. To compile Rcpp, you can do:
$ svn c
I have released a new, faster, version of R, which I call pqR (for
"pretty quick" R), based on R-2.15.0. Among many other improvements,
pqR supports automatic use of multiple cores to perform numerical
computations in parallel with other numerical computations, and with
the interpretive thread. I