Matthias, thanks, now fixed:
https://mac.r-project.org/macbuilder/results/1767996503-3a8243f5318cf480/ It's the old Xcode update bug which can be fixed with sudo rm -rf /Library/Developer/CommandLineTools/usr/include/c++ Cheers, Simon PS: contact info is on the main page (=me, preferred) or R-SIG-Mac. > On 10/01/2026, at 05:18, Matthias Gondan <[email protected]> wrote: > > Dear CRAN maintainers, > > > > (I am writing to this list since I guess you read it anyway, and there isn't > any "contact information" at the R Mac Builder site.) > > > > The Mac Builder service does not seem to compile even a basic Rcpp package > anymore, see here: > > > > https://mac.r-project.org/macbuilder/results/1767974115-2b3446b6016a0ee3/ > > > > #include <cmath> is not found, same for #include <iostream>. Some help on > this issue would be greatly appreciated. > > > > Best wishes, > > > > Matthias > > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
