[R-SIG-Mac] Announcement: R-devel "sonoma-arm64" Mac builds

[Jeroen Ooms]

On Mon, Dec 15, 2025 at 12:58 AM Simon Urbanek
<simon.urbanek using r-project.org> wrote:
>
> Jeroen,
>
> I have no trouble with data.table, are you sure you are using the latest R-devel? It does have that symbol:
>
> $ nm /Library/Frameworks/R.framework/Resources/lib/libomp.dylib| grep deinit
> 0000000000068b0c T ___kmp_hidden_helper_threads_deinitz_release
> 0000000000068af4 T ___kmp_hidden_helper_threads_deinitz_wait
> 0000000000051c64 T ___kmpc_dispatch_deinit
>
> (FWIW note that the x86_64 build is still big-sur and it won’t change, only the arm64 builds are updated).

It seems the issue has disappeared in the latest build of
R-devel-arm64.pkg (2025/12/14). We can now build data.table for
R-4.6-arm with openmp support on Xcode26.