https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93548
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Earnshaw <rearn...@gcc.gnu.org>: https://gcc.gnu.org/g:492c63e5b72c3497160e2c2e113fb91644b3570e commit r10-6407-g492c63e5b72c3497160e2c2e113fb91644b3570e Author: Richard Earnshaw <rearn...@arm.com> Date: Mon Feb 3 17:40:55 2020 +0000 arm: Use move-if-change for updating regenerated files [PR93548] The t-arm make fragment currently uses 'mv' to update some files that are automatically regenerated, but this causes problems on read-only filesystems if the date stamps are incorrect and the files have not really changed. So use move-if-change instead. PR target/93548 * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md, $(srcdir)/config/arm/arm-tables.opt): Use move-if-change.