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From: Peter Eisentraut <[email protected]>
To: Bertrand Drouvot <[email protected]>
Cc: [email protected]
Subject: Re: Enable -Wstrict-prototypes and -Wold-style-definition by default
Date: Mon, 30 Mar 2026 23:50:24 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <aa73q1aT0A3/vke/@ip-10-97-1-34.eu-west-3.compute.internal>
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On 27.03.26 14:23, Bertrand Drouvot wrote:
> Hi,
> 
> On Fri, Mar 27, 2026 at 01:15:29PM +0100, Peter Eisentraut wrote:
>> On 27.03.26 11:07, Bertrand Drouvot wrote:
>>> That looks ok but I wonder if we should also add '-Werror=vla' to it (
>>> and remove it from common_warning_flags) to be in sync with what configure.ac
>>> is doing:
>>>
>>> "
>>>     PGAC_PROG_CC_CFLAGS_OPT([-Werror=vla])
>>>     # -Wvla is not applicable for C++
>>> "
>>
>> Hmm.  This comment is not actually fully correct.  With g++, you can write a
>> VLA and it will work, and also -Wvla will warn about it.  So we should
>> actually add that option to C++ as well.  (It is true that VLAs are not in
>> standard C++, and g++ with -pedantic will also warn about it.)
> 
> Oh right, just did a few tests and agree with your comment above. I agree that
> it should also be added for C++ in autoconf then.
> 
> What about the attached?
> 
> That said, your patch LGTM given that the VLA remark was not appropriate.

Ok, both committed.

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