https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65852
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Paul Robinson from comment #8) > Admittedly the gcc I have on Windows is *very* old, but it does not > normalize \ to / before writing the depfile. I know it is very old, I worked on it before leaving Sony :). I did a 4.3 port and it seemed to be working better for windows but Sony want to use this port.