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Date:      Fri, 08 Nov 2002 14:30:19 -0700 (MST)
From:      "M. Warner Losh" <imp@bsdimp.com>
To:        sgk@troutmask.apl.washington.edu
Cc:        eischen@pcnet1.pcnet.com, ataraxia@cox.net, current@FreeBSD.ORG
Subject:   Re: [PATCH] note the __sF change in src/UPDATING
Message-ID:  <20021108.143019.08321200.imp@bsdimp.com>
In-Reply-To: <20021108174915.GA71225@troutmask.apl.washington.edu>
References:  <20021108.092732.124899267.imp@bsdimp.com> <Pine.GSO.4.10.10211081205020.27766-100000@pcnet1.pcnet.com> <20021108174915.GA71225@troutmask.apl.washington.edu>

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In message: <20021108174915.GA71225@troutmask.apl.washington.edu>
            Steve Kargl <sgk@troutmask.apl.washington.edu> writes:
: On Fri, Nov 08, 2002 at 12:17:00PM -0500, Daniel Eischen wrote:
: > On Fri, 8 Nov 2002, M. Warner Losh wrote:
: > 
: > > 
: > > Yes, but this is too painful.  If we were going to do this, the time
: > > for the pain was 6-9 months ago, not just before the release.
: > 
: > All the ports are going to be rebuilt for the release anyways,
: > so this doesn't affect fresh installs, correct?  It is only a
: > problem when mixing older 4.x and 5.0 libraries/binaries with
: > __sF-free libc (if I understand things correctly).
: > 
: > This is 5.0; it is a major release and there will be some flies
: > in the ointment.  I say bite the bullet now -- don't wait.
: 
: I agree with Dan.  Let's do it now.  My understanding is
: that 5.0 will be an "early adopter" release and production
: systems should run 4.7{8,9,..} until 5.1 is released.

That's not a viable option.  Even if 5.0 is an early adapter release,
then that would argue for keeping __sF in libc to aid in the
transition.

: To accomplish the change, I think we need to do:
:   1. Install a complete set of 4.7 shared libs in COMPAT4X.
:      This should porivde the necessary runtime compatibility
:      with 4.x.

That's not true.  You can't mix and match 4.x and 5.x packages right now.

:   2. Bump all shared library on 5.0.  This will get rid of
:      any interdependencies among the libraries and it deals
:      with the version number problems I detailed in the thread
:      "Ghost of __sF ..." a couple a days ago.

Not a viable option.  Unless you have patches that do this properly
for ports, where we are getting screwed now.

:   3. Put a big fat WARNING in src/UPDATING about the problem

Been there, done that, didn't help.

:   4. Put the same WARNING in /etc/motd, so people currently
:      run -current will know to update their ports.
:   5. Broadcast the WARNING to appropriate mailing lists and
:      newsgroups.

Been there, done that, didn't help.

So in short, these plans won't help anything :-(.

My plan is as follows:

	1) Restore __sF to libc for 5.0.
	2) Fix 4.x binaries so that __sF isn't referened in new
	   binaries.  This should have been done in Aug 2001, but
	   wasn't.

Depending on how things go, __sF will be removed in 5.1 or 5.2 after
we have the transition period we had originally planned for 4.x, but
implemented a year ago.

Warner


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