On 9/11/05, Linus Torvalds <[email protected]> wrote:
>
>
(...)
> No, this would cause a compile error if CONFIG_NET and CONFIG_SYSCTL
> is enabled (because sysctl_net.c needs that declaration).
Ah yes. I got confused by googling which showed that there are some issues
with these declarations and gcc4 (see for example this thread:
http://gcc.gnu.org/ml/gcc/2005-02/msg00053.html).
> So the correct solution is apparently either one of
>
> - always declare an empty "struct ctl_table" regardless of whether SYSCTL
> is enabled or not.
>
> This might be a good idea, since it probably allows more code to be
> compiled without checking for CONFIG_SYSCTL.
>
> - put the ether_table[] declaration inside a #ifdef CONFIG_SYSCTL.
core_table in include/net/sock.h uses the latter option, so I'll send
you a patch
for that (with better email client).
--MiKu
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