On Sat, 2021-05-15 at 09:14 +0200, Pavel Machek wrote: > On Sun 2021-05-02 00:15:38, Masahiro Yamada wrote: > > The current minimum GCC version is 4.9 except ARCH=arm64 requiring > > GCC 5.1. > > Please don't. I'm still on 4.9 on machine I can't easily update, Why is that? Later compiler versions are available. http://cdn.kernel.org/pub/tools/crosstool/ Is there some other reason your machine can not have the compiler version updated?