> [...]
>
> At this point I'm inclined to give up and revert 3a60c8ff8. It's not
> clear that we can really make the warning situation better, as opposed
> to just moving the warnings from one platform to another.
Indeed, there are hundreds of warnings around "pg_printf_attribute_m"
added with gcc 7.3.0 on by ubuntu 18.04 laptop, thanks to 3a60c8ff.
A revert would help.
--
Fabien.