Re: Allowing printf("%m") only where it actually works

Fabien COELHO <coelho@cri.ensmp.fr> writes:
> 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.

Oh?  What warnings exactly?  I would not expect any new warnings except
on platforms where gcc believes the local printf is non POSIX compliant,
which certainly ought not happen on any non-obsolete Linux.

            regards, tom lane