[Rcpp-devel] Problems getting RInside to work on OS X

Simon Zehnder szehnder at uni-bonn.de
Sun Oct 27 15:25:21 CET 2013

Thanks Dirk! 

The answers from Romain and you show exactly how to make things work again. I wasn’t aware of the possibility to override the Makeconf via a new Makevars. I work with environment modules to be able to load different compilers and to test my package compilation with them. I can now produce the ~/.R/Makevars file during module load. That makes everything more comfortable than adding a CFLAGS to the R CMD INSTALL command.



On 27 Oct 2013, at 15:08, Dirk Eddelbuettel <edd at debian.org> wrote:

> On 27 October 2013 at 10:49, Simon Zehnder wrote:
> | I wonder though, why it uses in Clays case the llvm-g++-4.2 even if it is not there anymore? 
> That has been explained a number of times, eg in the different SO question
> (eg even the one ref'ed by JJ is a duplicate). An earlier one is
>   http://stackoverflow.com/questions/19503995/error-when-with-xcode-5-0-and-rcpp-command-line-tools-are-installed
> In short, R "writes down" the values of CC, CXX, CFLAGS, ..  seen at _its_
> compile time and uses it each time R CMD ... is invoked.
> That works, as on most sane operating systems you assume that 'cc' or 'gcc'
> will always point to a working compiler.  OS X is, ahem, different.  And so
> it breaks, at least until the default R build catches up with the tool chain.
> Really a question for r-sig-mac and the OS X users here to sort out. 
> Dirk
> -- 
> Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com

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