Re: [PATCH 04/16] Add embedded list interface (header only)

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <peter(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: [PATCH 04/16] Add embedded list interface (header only)
Date: 2012-06-22 09:19:12
Message-ID: 201206221119.13272.andres@2ndquadrant.com
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On Friday, June 22, 2012 02:04:02 AM Tom Lane wrote:
> Peter Geoghegan <peter(at)2ndquadrant(dot)com> writes:
> > All of the less popular compilers we support we support precisely
> > because they pretend to be GCC, with the sole exception, as always, of
> > the Microsoft product, in this case MSVC.
>
> This is nonsense. There are at least three buildfarm machines running
> compilers that do not "pretend to be gcc" (at least, configure
> recognizes them as not gcc) and are not MSVC either. We ought to have
> more IMO, because software monocultures are dangerous. Of those three,
> two pass the "quiet inline" test and one --- the newest of the three
> if I guess correctly --- does not. So it is not the case that
> !USE_INLINE is dead code, even if you adopt the position that we don't
> care about any compiler not represented in the buildfarm.
I think you can make hpux's acc do the right thing with some trickery though.
I don't have access to hpux anymore though so I can't test it.

Should there be no other trick - I think there is though - we could just
specify -W2177 as an alternative parameter to test in the 'quiet static
inline' test.

I definitely do not want to bar any sensible compiler from compiling postgres
but the keyword here is 'sensible'. If it requires some modest force/trickery
to behave sensible, thats ok, but if we need to ship around huge unreadable
crufty macros just to support them I don't find it ok.

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

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