mkdir -p 12345678 && cd 12345678 && touch x || exit 1
done) || skip_ "failed to create deeper directory hierarchy"
-$MAKE dist 2>stderr && { cat stderr >&2; exit 1; }
-cat stderr >&2
+run_make -E -e FAIL dist
grep 'filenames are too long' stderr
test 2 -eq $(grep -c 12345678 stderr)