[Bug target/108287] AVR build: gcc/config/avr/t-avr tries to edit the source tree

[gjl at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108287

--- Comment #5 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
...ok, yes, building outside srcdir won't fix this one.  But points 1) and 2)
still apply.