On Tue, 29 Jul 2025 07:25:46 -0500 Dirk Eddelbuettel <e...@debian.org> wrote:
> But note that my machine has no -flto=$N for > some N but rather '-flto=auto' which also results in the NOTE. > > So an extra check may be needed to not issue the nag if LTO is used? You're right, -flto=auto chooses the number of LTO processes automatically if the Make jobserver is not available. Rven if I set MAKEFLAGS=-j2 before running R CMD INSTALL, that information is not propagated to g++, so it runs on all logical processors. This could be the only way to make GCC use noticeably more than one process by itself, I couldn't find anything else right now. As a short-term solution, the "specialChecks" system operated by Prof. Kurt Hornik can switch to -flto=2. For the more distant future, making this message "INFO" instead of "NOTE" or possibly raising the limit when LTO is used could make sense. -- Best regards, Ivan ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
