For native builds - nothing to report for x86_64 builds running under
Rosetta which almost all the time 'just work' (and work fast).
The goal remains to release a native binary distribution with R 4.1.0 ca
April: all but the intrepid are advised to use x86_64 until then.
- There is an experimental R-devel build of the R framework at
https://mac.r-project.org/ . That page reports 'failed' but usually the
framework is complete.
- R.app will need to be partially re-written as it uses Objective C
features which are no longer supported in Xcode 12. (I guess this is
why the page is reporting a failure.)
- There are most parts of a toolchain and a Fortran compiler at
https://mac.r-project.org/libs-arm64/ (not the earlier versions at
libs-arm). These install into /opt/R/arm64, and the R-admin manual has
been re-written to reflect that and point out some pitfalls.
- Binary packages are planned but the vast majority of packages install
from source. I currently have 240 CRAN check failures with 35 failing
to install and 98 others requiring those (or BioC ones). If you are
interested in a particular package,
https://www.stats.ox.ac.uk/pub/bdr/M1mac/ has recent logs for those
failing directly, listed as 'additional issues' on their CRAN check pages.
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
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