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Date:      Thu, 17 May 2001 04:28:38 +0200
From:      Roelof Osinga <roelof@nisser.com>
To:        "Alexey V. Neyman" <avn@any.ru>
Cc:        Valentin Nechayev <netch@iv.nn.kiev.ua>, "Eugene M. Kim" <ab@astralblue.net>, stable@FreeBSD.ORG
Subject:   Re: Old compiler (3.3-stable -> 4->stable)
Message-ID:  <3B033756.937FFE3C@nisser.com>
References:  <Pine.BSF.4.33.0105161132110.14552-100000@srv2.any>

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"Alexey V. Neyman" wrote:
> 
> ...
> I found the following sequence to be rather fail-safe:
> 3.5.1-R -> 4.2-R -> 4.3-S, I tested it a few times and it have not failed
> me.

Not only that, looks like it's the only way to do it. Going from 3.4-S
to RELENG_4 fails. Repeatedly. Even when starting from a clean slate.
It'll fail on the same spot. This one:

/usr/src/gnu/usr.bin/gperf/../../../contrib/gperf/src/new.cc:80: warning: `catch
', `throw', and `try' are all C++ reserved words
/usr/src/gnu/usr.bin/gperf/../../../contrib/gperf/src/new.cc: In function `void
operator delete(void *)':
/usr/src/gnu/usr.bin/gperf/../../../contrib/gperf/src/new.cc:82: declaration of
`operator delete(void *)' throws different exceptions...
<internal>:82: ...from previous declaration here
*** Error code 1

So it looks like the compiler used must definitely be upgraded before
attempting this route.

Ah well, CVSupping RELENG_3 as we speak. As to why, I side with Erik.
Though I do it connected but at an off-peak time. There's also the
argument that practice makes perfect. Though one shouldn't believe
everything one reads <g>.

Roelof

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