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Date:      Thu, 23 Jan 2014 16:05:45 -0600
From:      Bryan Drewery <bryan@shatow.net>
To:        John Baldwin <jhb@freebsd.org>
Cc:        svn-src-head@freebsd.org, Glen Barber <gjb@freebsd.org>, svn-src-all@freebsd.org, src-committers@freebsd.org, David Chisnall <theraven@freebsd.org>
Subject:   Re: svn commit: r261031 - in head: . etc usr.sbin/etcupdate usr.sbin/mergemaster
Message-ID:  <20140123220545.GB37334@admin.xzibition.com>
In-Reply-To: <20140123212256.GA37334@admin.xzibition.com>
References:  <201401221659.s0MGxrc7056036@svn.freebsd.org> <201401231439.14819.jhb@freebsd.org> <20140123194841.GA39296@admin.xzibition.com> <201401231503.42671.jhb@freebsd.org> <20140123212256.GA37334@admin.xzibition.com>

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On Thu, Jan 23, 2014 at 03:22:56PM -0600, Bryan Drewery wrote:
> On Thu, Jan 23, 2014 at 03:03:42PM -0500, John Baldwin wrote:
> > On Thursday, January 23, 2014 2:48:41 pm Bryan Drewery wrote:
> > > On Thu, Jan 23, 2014 at 02:39:14PM -0500, John Baldwin wrote:
> > > > On Thursday, January 23, 2014 10:42:36 am David Chisnall wrote:
> > > > > On 22 Jan 2014, at 22:36, Glen Barber <gjb@FreeBSD.org> wrote:
> > > > >=20
> > > > > > It needs to use the build host version, because using (for exam=
ple)
> > > > > > powerpc resulting binary won't work on and amd64 system.
> > > > >=20
> > > > > If it's used as part of the build, then it should be part of the =
toolchain=20
> > > > target and we should be using the version built there.
> > > >=20
> > > > 'make distribute' is not a normal part of the build (it's not part =
of
> > > > buildworld or installworld).  Both mergemaster and etcupdate only r=
un it
> > > > after an installworld has been performed, in which case an up-to-da=
te
> > > > services_mkdb should already be installed.
> > > >=20
> > > > Bryan, what are you running 'make distribute' for?  Is this to popu=
late
> > > > a new jail from a world build?
> > >=20
> > > Yes, poudriere uses this to create jails. It runs:
> > >=20
> > > export TARGET_ARCH=3D...
> > > make buildworld
> > > make installworld DESTDIR=3D...
> > > make distrib-dirs DESTDIR=3D... DB_FROM_SRC=3D1
> > > make distribution DESTDIR=3D...
> > >=20
> > >=20
> > > No mergemaster or etc-update is ran, we just install all of the
> > > defaults.
> >=20
> > Yes, but you are attemping to install a newer jail than the host, and s=
trictly
> > speaking that isn't supported.  (Rather, we only guarantee that a jail =
will work
> > so long as its world is older or equal in age to the host.)
>=20
> I am aware of *running* newer jails not being suppored, but *building*
> seems to be an absolute must to be supported. How else would you
> upgrade?
>=20
> On my own system, I build the new source into a jail and then promote
> the ZFS dataset the jail is using and then reboot into it.

Ok I see that my other use case is fine (building newer) and that this
is just an issue with cross-building. I do understand that you can't run
cross-arch and that you'll just need to have the updated version in the
host. So nevermind my concerns. Sorry for the noise.

>=20
> >=20
> > All that said, for stable branches I intend to MFC the new flags to ser=
vices_mkdb
> > long before possibly merging the change to turn it on in 'make distribu=
tion'
> >=20
> > --=20
> > John Baldwin



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