From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
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To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] static assertions in C++ |
Date: | 2017-11-29 14:26:44 |
Message-ID: | ca5e0f09-e9c3-1dde-b312-0b2e87936ffd@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 11/29/17 00:35, Michael Paquier wrote:
> On Fri, Sep 1, 2017 at 8:28 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> On Thu, Aug 31, 2017 at 6:37 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> Meh. We support ancient versions of C for backwards compatibility
>>> reasons, but considering that compiling backend code with C++ isn't
>>> officially supported at all, I'm not sure we need to cater to ancient
>>> C++ compilers. We could quibble about the value of "ancient" of
>>> course --- Peter, do you have an idea when this construct became
>>> widely supported?
>>>
>>> I do think it might be a better idea to put a #error there instead
>>> of silently disabling static assertions. Then at least we could
>>> hope to get complaints if anyone *is* trying to use ancient C++,
>>> and thereby gauge whether it's worth working any harder for this.
>>
>> I guess my question was whether we couldn't just use the same
>> workaround we use for old C compilers.
>
> This got unanswered and the thread has stalled for two months, so for
> now I am marking the patch as returned with feedback.
The answer to that question is "because it doesn't work".
I'd still like a review of this patch.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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