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Re: kerne-2.4.0-test13pre3 with gcc-2.97
From: Alexandre Oliva <aoliva@redhat.com>
To: Kaoru Fukui <k_fukui@highway.ne.jp>
Subject: Re: kerne-2.4.0-test13pre3 with gcc-2.97
Date: 24 Dec 2000 01:29:32 -0200
Cc: <linuxppc-dev@lists.linuxppc.org>, <gcc@gcc.gnu.org>
>
> On Dec 23, 2000, Kaoru Fukui <k_fukui@highway.ne.jp> wrote:
>
> > - unsigned char b[0];
> > + unsigned char *b;
>
> This change (and apparently all other changes you've made) are
> definitely wrong. Zero-sized arrays as the last element of a
> structure used to be an extension in GCC 2.95.2, that has been adopted
> by C99 with a slightly different syntax, that GCC CVS supports: just
> remove the `0' from between the braces.
>
> With your change, you're changing what is supposed to be a structure
> whose last element is a flexible array with a structure that ends with
> a pointer to such an array, which means the array should be allocated
> separately, and any access to it must de-reference an additional
> pointer. You'd have to adjust all uses of such a pointer to make this
> change. Could this be the reason why your modified kernel doesn't
> work?
Thanks Alex your explain.
I tried this
- unsigned char b[0];
+ unsigned char b[];
It gave me Inetrnal error: Segmentaion fault .
I had success compileing for the kernel with my patch.
I don't understand how do I do untill.
Thanks
Kaoru