Re: jsonb is also breaking the rule against nameless unions

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: jsonb is also breaking the rule against nameless unions
Date: 2014-04-02 21:50:19
Message-ID: 20140402215019.GC2556@awork2.anarazel.de
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On 2014-04-02 15:03:47 -0400, Tom Lane wrote:
> Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> > On 2014-04-02 14:36:28 -0400, Tom Lane wrote:
> >> Well, in any case, people very seldom check to see if any buildfarm
> >> members are producing compiler warnings. You need the build to actually
> >> go red to get anyone's attention reliably.
>
> > Yea, we'd need to be able to turn on -Werror if it's going to have any
> > effect. I don't think our configure currently copes with that
> > unfortunately...
>
> I'm pretty sure you can set CFLAGS from the buildfarm configuration
> options --- see the animals that are building with -DCLOBBER_CACHE_ALWAYS.

The problem is rather that configure dies somewhere when CFLAGS includes
-Werror. Not very nice imo.

> > I just tried it on clang. It builds clean with -Wc11-extensions except
> > warning about _Static_assert(). That's possibly fixable with some
> > autoconf trickery.
>
> Ah. That sounds promising. What clang version is that?

It's debian's clang-3.5, which is built from trunk IIUC: 1:3.5~svn201651-1

I have some patches that fix the configure tests to properly use
-Werror, but I am too tired to check their validity now.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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