https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105144
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #8) > (In reply to Khem Raj from comment #7) > > in Yocto we build outside the source tree. And during cross-build it will > > copy aarch64.h into builddir and use it from there but then build can not > > find files it includes since its being included from builddir. This patch > > below helps > > aarch64.h is never copied into the builddir. Even for cross builds. I think something else is wrong. Please file a different bug with the full log? Including the part where the copy happens because I just did a: find . -name aarch64.h in the build directory of the cross build of GCC 12 I had around and there was no such file happening.