Re: Compile warnings on OSX 10.10 clang 6.0

On Sat, Apr 4, 2015 at 6:21 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I wrote:
>> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
>>> These warnings also happen with older versions of clang. Now idea how
>>> to fix yet. I'm thinking that clang should be fixed, because these
>>> warnings are stupid.
>
>> Yeah, they're utterly stupid; whoever put them in obviously doesn't
>> have a clue about typical Makefile construction. I wonder if next
>> we'll see complaints about unnecessary -D or -I switches.
>
>> Having said that, I did look awhile ago about how we might get rid of
>> them, and it seems not easy; for starters we would need to drop the
>> assumption that CFLAGS can always be included when linking. Also,
>> AFAICT -pthread sometimes *is* required when linking; so it's
>> not even very obvious when to suppress the switch, even if we could
>> do so without wholesale rearrangement of our FLAGS handling.
>
> On the other hand, there's often more than one way to skin a cat.
> It occurred to me that maybe we could just turn off this class of warning,
> and after some experimentation I found out that
> "-Wno-unused-command-line-argument" does that, at least in the version
> of clang that Apple's currently shipping.
>
> Who's for enabling that if the compiler takes it?

Yes, please. I always found those pthread warnings annoying.
--
Michael