[Rcpp-devel] Rcpp / g++ ignoring TMPDIR

Dirk Eddelbuettel edd at debian.org
Mon Dec 2 18:52:58 CET 2013

On 2 December 2013 at 09:19, Jeroen Ooms wrote:
| On Mon, Dec 2, 2013 at 4:25 AM, Dirk Eddelbuettel <edd at debian.org> wrote:
|     As I said when we hashed this out some more in private mail, I'd try
|     setting
|     TMPDIR in /etc/profile or alike. Or just try to have a working /tmp
|     directory.
|     Surely you are not the only AppArmor user with that issue?
| Well it's not so much an issue of AppArmor, more of using g++ with an
| process-specific TMPDIR, which I guess hasn't been tested a lot. I can easily
| work around the problem by relaxing the sandbox a bit and allowing g++ to
| create files under /tmp. I've done that on the server, and now all Rcpp
| packages build fine. However it would be more elegant if g++ would just inherit
| TMPDIR from the R process (and I am convinced it was doing that before). Anyway
| things are working again:
| https://public.opencpu.org/ocpu/cran/RcppExamples
| https://public.opencpu.org/ocpu/cran/RcppArmadillo
| https://public.opencpu.org/ocpu/cran/lme4/

Thanks for circling back to close the loop.  

So no Rcpp issue, as we suspected, but possibly something in g++ et al.  That
said, availability of a sane /tmp is something most people would take for granted.


Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com

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