From owner-freebsd-stable@freebsd.org  Mon May 14 01:06:54 2018
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To: Konstantin Belousov <kostikbel@gmail.com>
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From: Mike Karels <mike@karels.net>
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Subject: Re: 11.1-RELEASE-p10 cannot compile freebsd stable/11 kernel?
In-reply-to: Your message of Sun, 13 May 2018 21:49:23 +0300.
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Date: Sun, 13 May 2018 20:06:47 -0500
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[details omittied]
> > I know that clang has been updated a lot; has the kernel source gotten
> > ahead of clang on stable/11?
> On stable/11 they are in sync.  The official method of upgrade is
> 	make buildworld buildkernel
> from older version takes care of the compiler version transparently.
> If you use config/make, ensure that the installed world is at the
> compatible level for the kernel sources.

So the freebsd-update version is not in sync with the -stable branch?
That was not at all obvious to me.  I upgrade from source on my -current
test system, but normally use freebsd-update on my production systems
(until it failed to update the kernel).

		Mike