Re: new compiler warnings

On Tue, Oct 18, 2011 at 4:13 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Peter Eisentraut <peter_e@gmx.net> writes:
>> On tis, 2011-10-18 at 15:43 -0400, Tom Lane wrote:
>>> I don't actually see that warning on my Fedora 15 machine, with
>>> gcc version 4.6.1 20110908 (Red Hat 4.6.1-9) (GCC)
>
>> You get the "unused return value" warnings with -D_FORTIFY_SOURCE=2,
>> which has been the default on Ubuntu for years, and has been the default
>> on Debian for a few weeks (if you have the hardening-wrapper package
>> installed or running under dpkg-buildpackage).
>
> Ah-hah.  That's also the default on Red Hat platforms, *if* you are
> building RPMs, and now that I think of it, I do see this warning when
> building RPMs.  Seems weird that they'd have set it up that way though
> rather than with a -W switch.

Yeah, that's *quite* odd.

--
Robert Haas
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