[R-SIG-Mac] MacOS binaries for R-4.6

[Simon Urbanek]

Jeroen,

see the last announcement of the sonoma build which I think should answer most questions - one more detail below.


> On 12 Dec 2025, at 08:26, Jeroen Ooms <jeroenooms using gmail.com> wrote:
> 
> Hello,
> 
> I was wondering if there is an update to what will be the SDKROOT and
> MACOSX_DEPLOYMENT_TARGET for R-4.6-arm? This way we can match the
> settings in R-universe and bioconductor.
> 
> I see binary packages are now uploaded to a new path:
> https://cran.r-project.org/bin/macosx/sonoma-arm64/contrib/4.6/. Is
> this likely to be the final decision for R-4.6?
> 
> Also It would be interesting to know which version of libomp.dylib
> will be included with R-macos 4.6 :)
> 

LLVM 19.1.5 to match current Xcode 26.x, i.e. https://mac.r-project.org/openmp/openmp-19.1.5-darwin20-Release.tar.gz

FWIW the MacBuilder is currently offline for OS upgrade and will be setup to match the new sonoma VM builds.

Cheers,
Simon