From: Richard Henderson <rth@redhat.com>
To: Alexandre Oliva <aoliva@redhat.com>
Cc: sailer@ife.ee.ethz.ch, Kaoru Fukui <k_fukui@highway.ne.jp>,
linuxppc-dev@lists.linuxppc.org, gcc@gcc.gnu.org
Subject: Re: kerne-2.4.0-test13pre3 with gcc-2.97
Date: Wed, 27 Dec 2000 15:37:13 -0800 [thread overview]
Message-ID: <20001227153713.A30728@redhat.com> (raw)
In-Reply-To: <orsnnd3d6f.fsf@guarana.lsd.ic.unicamp.br>; from Alexandre Oliva on Sun, Dec 24, 2000 at 04:08:08PM -0200
On Sun, Dec 24, 2000 at 04:08:08PM -0200, Alexandre Oliva wrote:
> > Which is not backward compatible, unfortunately.
>
> Indeed. I wish we had maintained the old syntax for
> backward-compatibility, even if with a deprecation warning.
We *have* maintained the old syntax.
But there are some quirky differences from the old behaviour wrt
initialization and sizeof that need to be resolved. To wit:
* The linux net/ code insists on initializing a zero-length array
member with an empty initializer. We should silently drop the
initialization in this case.
* Several places in the linux kernel expect sizeof of a zero-length
array to be zero. Typically this happens in some edge case like
long stuff[N_WORDS-1]
where a flexible array member isn't really wanted, but N_WORDS
happens to be 1 for some configuration.
Fixing this compatibility stuff is on my to-do list.
r~
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-12-27 23:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-23 5:52 kerne-2.4.0-test13pre3 with gcc-2.97 Kaoru Fukui
[not found] ` <20001223142145.T5858@coruscant.gnumonks.org>
2000-12-23 13:30 ` Kaoru Fukui
2000-12-24 3:29 ` Alexandre Oliva
2000-12-24 13:53 ` Kaoru Fukui
2000-12-24 15:20 ` Thomas Sailer
2000-12-24 15:19 ` Thomas Sailer
2000-12-24 18:08 ` Alexandre Oliva
2000-12-26 1:41 ` how to use macro in assemble language embedded in C? kerler
[not found] ` <20001226221757.Postino-028251@smtp01.highway.ne.jp>
2000-12-27 3:33 ` kerler
2000-12-27 15:50 ` Alexandre Oliva
2000-12-27 23:37 ` Richard Henderson [this message]
2000-12-24 15:16 ` kerne-2.4.0-test13pre3 with gcc-2.97 Thomas Sailer
-- strict thread matches above, loose matches on Subject: below --
2000-12-25 0:04 Kaoru Fukui
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