Recent bulkbuild for Darwin 23.6.0/aarch64 fails for math/R constantly.
https://reports.pkgci.org/Darwin/14.5/arm64/20260628T113543Z/R-4.6.1/build.log
....
| installing parsed Rd
| gmake[3]: Entering directory '/var/tmp/work/math/R/work/R-4.6.1/src/library'
| Error: (converted from warning) DateTimeClasses.Rd:150: cannot open file '/var/db/timezone/zoneinfo/+VERSION': No such file or directory
| Execution halted
| gmake[3]: *** [Makefile:79: base.Rdts] Error 1
| gmake[3]: *** Waiting for unfinished jobs....
I've checked two Mac boxes and both have this file.