Re: [PATCH for-5.0? 3/3] kernel-doc: Use c:struct for Sphinx 3.0 and later

["Alex Bennée" <alex.bennee@linaro.org>]

Peter Maydell <peter.maydell@linaro.org> writes:

> The kernel-doc Sphinx plugin and associated script currently emit
> 'c:type' directives for "struct foo" documentation.
>
> Sphinx 3.0 warns about this:
>   /home/petmay01/linaro/qemu-from-laptop/qemu/docs/../include/exec/memory.h:3: WARNING: Type must be either just a name or a typedef-like declaration.
>   If just a name:
>     Error in declarator or parameters
>     Invalid C declaration: Expected identifier in nested name, got keyword: struct [error at 6]
>       struct MemoryListener
>       ------^
>   If typedef-like declaration:
>     Error in declarator or parameters
>     Invalid C declaration: Expected identifier in nested name. [error at 21]
>       struct MemoryListener
>       ---------------------^
>
> because it wants us to use the new-in-3.0 'c:struct' instead.
>
> Plumb the Sphinx version through to the kernel-doc script
> and use it to select 'c:struct' for newer versions than 3.0.
>
> Fixes: LP:1872113
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Looks reasonable although I don't have a way of testing it on my system.
Any idea what systems have the latest sphinx 3 on them? I tried fedora
but that still has 1.8.4 so it's not that bleeding edge.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée