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In-Reply-To: <5291d173-1227-4619-b8fd-62336ad292b3@eisentraut.org>
From: Jelte Fennema-Nio <postgres@jeltef.nl>
Date: Mon, 23 Mar 2026 10:58:34 +0100
Message-ID: 
 <CAGECzQSB=rBZ2n1WeCRAQ09xHzHSpyVBk-+NWEAcLsegsRXPzA@mail.gmail.com>
Subject: Re: Make copyObject work in C++
To: Peter Eisentraut <peter@eisentraut.org>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>,
	Thomas Munro <thomas.munro@gmail.com>, Andres Freund <andres@anarazel.de>
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On Mon, 23 Mar 2026 at 10:27, Peter Eisentraut <peter@eisentraut.org> wrote:
> I think we should commit the pg_list.h changes, since the C-style
> compound literals are not a C++ feature at all, and so without this MSVC
> would never get supported.  (Or you couldn't use PostgreSQL lists, which
> would be very limiting.)

Sounds good to me.

> The other changes deal with designated initializers and flexible array
> members.  These are not a blocker, since extension authors could deal
> with them themselves by adding appropriate compiler options or similar.

I think we should add these flags to CXXFLAGS for MSVC by default,
similar to how we add -std=gnu++11/-std=c++11 for other compilers. We
can then document on the C++ extension docs page, that MSVC compilers
require C++20 support.