[R-SIG-Mac] Please test R 4.3.0 RC, more information below

[Prof Brian Ripley]

On 18/04/2023 11:01, Göran Broström wrote:
> About the Fortran compiler:
> 
> Den 2023-04-18 kl. 05:18, skrev Simon Urbanek:
>> Dear Mac users,
> 
> <snip>
> 
>> Package developers, please check the CRAN result pages for your
>> package to make sure it passes checks. Also please note that we are
>> now using a universal GNU Fortran compiler that works both on Intel
>> and arm64 Macs - you can download an Apple Installer from 
>> https://mac.r-project.org/tools/
> 
> I have GNU Fortran (GCC) 12.0.1 20220312 (experimental)
> 
> in /opt/R/arm64/gfortran/bin/gfortran
> 
> Should it be uninstalled/removed in some way before installing
> gfortran-12.2-universal.pkg, and if so, how?

Not necessary, as the newer compiler installs into /opt/gfortran.  You 
may need to change FC and FLIBS in a ~/.R/Makevars if you use one, and 
you may need to adjust your path if you use Fortran other than for R 
packages.

To remove the older version, delete /opt/R/arm64/gfortran/ .

-- 
Brian D. Ripley,                  ripley using stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford