https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65852
--- Comment #8 from Paul Robinson <paul_robinson at playstation dot sony.com> --- (In reply to Andrew Pinski from comment #7) > Hmm, I thought \ would be converted into / by the time we reach here for > windows. I wonder if that is the better fix. Admittedly the gcc I have on Windows is *very* old, but it does not normalize \ to / before writing the depfile.