[R-SIG-Mac] Problem with Rcpp on R-3.4 beta (r72492)

[Simon Urbanek]

Berend,

R for El Capitan is using clang 4.0.0 - you may need to install it from
http://r.research.att.com/libs/clang-4.0.0-darwin15.6-Release.tar.gz
In most cases you may get away with Apple clang, but likely not for new C++ features.

We will provide an official package soon with the R release.

Please keep testing and report issues - the changes for R 3.4.0 have been more radical as we target more recent macOS for better performance and features.

Thanks,
Simon


> On Apr 7, 2017, at 5:11 AM, Berend Hasselman <bhh at xs4all.nl> wrote:
> 
> 
> Hi,
> 
> I have downloaded and installed R from R-3.4-r72492-branch-el-capitan.pkg.
> My OS: OS X El Capitan (10.11.6)
> 
> My packages and all additional tests of these are working correctly.
> 
> I can install Rcpp.
> Packages requiring Rcpp however don't seem to install or run.
> 
> 
> Running otool -L on /Library/Frameworks/R.framework/Versions/3.4/Resources/library/Rcpp/libs/Rcpp.so
> gives
> 
> Rcpp.so:
> 	Rcpp.so (compatibility version 0.0.0, current version 0.0.0)
> 	/Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libR.dylib (compatibility version 3.4.0, current version 3.4.0)
> 	/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation (compatibility version 150.0.0, current version 1259.0.0)
> 	/usr/local/clang4/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1.0.0)
> 	/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1226.10.1)
> 
> 
> I don't have  /usr/local/clang4/lib/libc++.1.dylib.
> I wouldn't know where to get it from. AFAIK The macOS Commandline Tools do not install stuff in /usr/local.
> If this isn't a mishap: where do we get the necessary libc++.1.dylib from?
> 
> Berend Hasselman
> 
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