[R-SIG-Mac] Java 17 builds

Prof Brian Ripley r|p|ey @end|ng |rom @t@t@@ox@@c@uk
Fri Sep 24 17:35:17 CEST 2021

The current version of Java is 17: this has 'long term support' and is 
the first to officially support M1 macs.

Mac-friendly installers are now available from https://adoptium.net for 
Intel (which they call x64) and M1 (aarch64).  Unlike builds available 
from jdk.java.net and Zulu these install into Apple-standard locations 
and so are found by /usr/bin/java.

Not all CRAN packages work with Java 17: there are additional security 
measures and XLConnect excludes it.  The maintainers have been informed 
so hopefully this will change soon.

On Intel I would keep on using Java 11 (also available from Adoptium, 
formerly AdoptOpenJDK).  On M1, the Adoptium build of 17 makes things 
much cleaner.

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

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