[Bug other/65794] Building crossback fails: No rule to make target `auto-build.h', needed by `build/genmddeps.o'

[coypu at sdf dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65794

--- Comment #4 from coypu <coypu at sdf dot org> ---
Hi,

It's probably a setup/configuration issue for everyone reporting this issue.
It's hard to debug, my patch helps with figuring out the problem - but doesn't
fix it.

I didn't ping this bug report because I don't understand what the other patch
described here does.