[PATCHv2] gdbsupport: better detection of -Wmissing-prototypes support

[Simon Marchi]

On 2021-09-24 11:14, Andrew Burgess wrote:
> I know there's still some discussion about what the best way to deal
> with this might be, but here's an updated patch that just uses
> AM_LINK_IFELSE for all the AM_GDB_WARNINGS tests.
> 
> If the preference is for a different approach, I'm happy to go with
> something else instead.
> 
> Thanks,
> Andrew

Hi Andrew,

I just stumbled on this while scrolling my inbox.  I'd be happy for you
to merge any version of this :).

Simon