[PATCH dpdk] meson: properly disable docs

[Bruce Richardson]

On Tue, Oct 22, 2024 at 05:31:47PM +0200, Robin Jarry wrote:
> Bruce Richardson, Oct 22, 2024 at 17:25:
> > No strong objection to this. Just FYI, the reason it is currently done as
> > it is in the build, is that even if you configure a build without the docs
> > enabled, you can just build the docs explicitly by doing "ninja -C build
> > doc". That is so that one can do a test build of the docs without
> > a) having to reconfigure the whole project
> > b) not have every build from then on rebuild e.g. the APIs doc if you
> > change a header.
> 
> Oh, I didn't know it was on purpose. I was surprised to see doc related
> warnings with -Denable_docs=false.
> 
> Feel free to disregard this patch if you think it is too drastic.
> 
Like I said, I don't have that strong of opinions about it - I just wanted
to let you and others know that there was *some* (however little) method
behind the madness of doing things this way.
It is possible to fix the error directly, so that the warning does not
appear if docs are disabled?

/Bruce