[Rcpp-devel] (OS X / 64 bit woes?) R CMD check failing on skeletonc Rcpp module

[Dirk Eddelbuettel]

Davor,

Thanks for the follow-up!

On 23 March 2012 at 16:45, Davor Cubranic wrote:
| Bob, which version of OS X and g++ do you have? 
| 
| I had no problems running your example on Lion. But with that release
| I had to install Rcpp from source, while your transcript indicates a
| binary version of the package was installed, so you must be using
| either Leopard or Snow Leopard.

Oh I missed that. Rcpp is from source generally makes a difference.
 
| The version of g++ is also important. I wonder why we see the
| following line in the log:
| ld: warning: in /usr/local/lib/libstdc++.dylib, file was built for 
| unsupported file format which is not the architecture being linked (i386)
| 
| I doubt that's the cause of the crash, because the loading fails for
| you for the 64-bit version of the package, not 32-bit, but still,
| something is off with your toolchain.

I noticed that too but couldn't quite frame a good response for lack of
familiary with OS X.
 
| Michael Hannon wrote:
| > My point is that if the problem in question DOES stem from the use of an old
| > version of g++, it's a problem that might be relatively easy to fix.  Of
| > course, downloading the full Xcode stuff from Apple would also fix the
| > problem.
| 
| The problem with XCode is that release 4, which you need with Mac
| Lion, is only available through the App store. It also does not
| include GCC but llvm-gcc, which some people have had problems with.
| It's easiest to just go with the GCC that the R team makes available
| at http://r.research.att.com/tools/

Simon to the rescue...

Dirk

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