For whatever it is worth, the nightly source tarballs are built with the latest xcode CLT (because I fell into Apple's 16.3 trap and didn't bother with downgrading to 16.2).
Of course the resulting binaries don't get published anywhere, but they seem to pass all tests. -pd > On 1 Sep 2025, at 01:58 , Simon Urbanek <simon.urba...@r-project.org> wrote: > > Duncan, > > >> On 1/09/2025, at 08:25, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: >> >> On 2025-08-31 4:11 p.m., Duncan Murdoch wrote: >>> The instructions on https://mac.r-project.org/tools/ say to install >>> tools using `sudo xcode-select --install`. Currently for me that installed >>> Apple clang version 17.0.0 (clang-1700.0.13.5) >>> Is that the version of clang that is being used in the CRAN builds? If >>> not, is there an advantage to matching what was used? >> >> Just found on the download page for R 4.5.1 "This release uses Xcode >> 16.2(arm64)/14.2(x86_64) and GNU Fortran 14.2." So that answers my first >> question, but leaves the second one. Is it worth installing that version? >> > > It depends - if you want stability then, yes, since there were major breaking > changes in Xcode 16.3 (Apple clang 1700). Xcode 16.2 was the best "stable" > release before that. Similarly, if you want produce binaries for others then > you want it for the same reason. However, if you want to test the cutting > edge and test support for new standards then using the latest is ok. The > fallout isn’t huge, it depends on what you will try to build. > > Cheers, > Simon > > _______________________________________________ > R-SIG-Mac mailing list > R-SIG-Mac@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-mac -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
