Re: [PATCH 09/10] netfilter: Add message pragma for deprecated xt_*.h, ipt_*.h.

[Jan Engelhardt]

On Tuesday 2025-01-07 23:06, Szőke Benjamin wrote:
>> 
>> I still don't know whether adding the pragmas to notify about header file
>> deprecation is a good idea.
>
> Do you have any other ideas how can you display this information to the
> users/customers, that it is time to stop using the uppercase header files then
> they shall to use its merged lowercase named files instead in their userspace
> SW?

``__attribute__`` is just as implementation-specific as ``#pragma``, so it's
not really an improvement, but here goes:

----
struct __attribute__((deprecated("This header file is deprecated"))) dontusethisstruct {
};
extern struct dontusethisstruct undefinedstruct;
----