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Date:      Sat, 27 Apr 2002 17:12:38 +0300
From:      Ruslan Ermilov <ru@FreeBSD.org>
To:        Marcel Moolenaar <marcel@xcllnt.net>
Cc:        current@FreeBSD.org, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src Makefile Makefile.inc1 src/etc Makefile src/gnu/usr.bin/perl/library Makefile.inc src/release Makefile src/release/scripts catpages-make.sh doFS.sh manpages-make.sh src/secure/usr.bin/ssh Makefile src/secure/usr.sbin/sshd Makefile ...
Message-ID:  <20020427141238.GB35685@sunbay.com>
In-Reply-To: <20020426204451.GA1674@athlon.pn.xcllnt.net>
References:  <200204261755.g3QHtRv72264@freefall.freebsd.org> <20020426182634.GB87482@sunbay.com> <20020426185921.GA282@athlon.pn.xcllnt.net> <20020426191214.GA50337@sunbay.com> <20020426204451.GA1674@athlon.pn.xcllnt.net>

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On Fri, Apr 26, 2002 at 01:44:51PM -0700, Marcel Moolenaar wrote:
> On Fri, Apr 26, 2002 at 10:12:14PM +0300, Ruslan Ermilov wrote:
> > On Fri, Apr 26, 2002 at 11:59:21AM -0700, Marcel Moolenaar wrote:
> > > On Fri, Apr 26, 2002 at 09:26:34PM +0300, Ruslan Ermilov wrote:
> > >=20
> > > > I.e., if you built world a month ago, and didn't touch /usr/src
> > > > since, and /usr/obj has "buildworld" output for this /usr/src,
> > > > and you have booted with this world, it should be okay to start
> > > > building today's release.
> > >=20
> > > I share my src tree, so I almost always have a /usr/src that's not
> > > in sync with the /usr/obj for and on a particular machine.
> > >=20
> > > What goes wrong if /usr/src and /usr/obj are out of sync?
> > >=20
> > The prerequisite for a successful "make release" is to "installworld"
> > first the same world as you are currently running.  This is done to
> > create a pristine environment (with an empty /etc/make.conf, etc.)
> > which is then chroot'ed into.
>=20
> I see. Doing a "make everything TARGET_ARCH=3Dfoo -DNOCLEAN" should
> probably be enough in most cases to sync the object tree, right?
>=20
If libraries, kernel, compiler, and headers didn't change, then yes.  :-)
Otherwise, "make world kernel" and reboot is necessary.  So that
the subsequent "installworld" of the same world into the chroot'ed
environment will give you a _compatible_ (with the currently running
kernel) world.

> > Also, when I wrote "/usr/src" and "/usr/obj" I didn't mean them
> > literally.
>=20
> That's mostly academic :-)
>=20
> BTW: Do you have plans to remove the exception for non-cross builds
>      to have the object tree rooted under /usr/obj/$TARGET_ARCH?
>      The exception was created for make release, but from a pure
>      cross-building point of view it's inconsistent and is one of
>      the blockers to build, say, alpha on i386 and doing a native
>      install on alpha (the other would be having an empty temproot).
>=20
Yes, I was planning to do it anyway, for the same reason.  You know,
it's a matter of removing three lines from Makefile.inc1.  :-)
It does not of course prevent you from building alpha on i386 and
then installing on alpha, all that needs to be done on alpha is:

/usr/bin/env MAKEOBJIRPREFIX=3D/usr/obj/alpha installworld


Cheers,
--=20
Ruslan Ermilov		Sysadmin and DBA,
ru@sunbay.com		Sunbay Software AG,
ru@FreeBSD.org		FreeBSD committer,
+380.652.512.251	Simferopol, Ukraine

http://www.FreeBSD.org	The Power To Serve
http://www.oracle.com	Enabling The Information Age

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