Re: Minor configure tweak to simplify adjusting gcc warnings

On 2015-01-14 10:01:39 -0500, Tom Lane wrote:
> Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> > On 2015-01-14 09:34:23 -0500, Tom Lane wrote:
> >> Well, that would only fix my problem if we added a configure-time test
> >> for whether gcc recognizes "z", which frankly seems like a waste of
> >> cycles. I've probably got the last one left in captivity that doesn't.
>
> > Hm. I had kinda assumed that %z support for sprintf and gcc's
> > recognition of the format string would coincide and we could just use
> > the %z result. But gull's output doesn't actually that way.
>
> It's only reasonable to assume that gcc matches sprintf if gcc is the
> native (vendor-supplied) compiler for the platform. That's not the
> case on gaur. It used to be very very commonly not the case, though
> I think a lot of vendors have now abandoned their proprietary compilers.
> If we were to test for this at all, I think we'd need to make the test
> separate from the one for sprintf's behavior.

I've already given up... Given how infrequent it is, suppressing it for
gull seems sufficient.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
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