Re: Mark all GUC variable as PGDLLIMPORT

From: Julien Rouhaud <rjuju123(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Mark all GUC variable as PGDLLIMPORT
Date: 2021-08-23 14:50:44
Message-ID: CAOBaU_b_0AYL8grF-PtDR4DTC=HE3MCpf5M6jJaTyLQ9KsCbqQ@mail.gmail.com
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On Mon, Aug 23, 2021 at 10:15 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> And yes, I absolutely would prohibit extensions from accessing many
> of them, if there were a reasonable way to do it. It would be a good
> start towards establishing a defined API for extensions.

The v2 patch I sent does that, at least when compiling with GCC. I
didn't find something similar for clang, but I only checked quickly.

I'm assuming that the unreasonable part is having to add some extra
attribute to the variable? Would it be acceptable if wrapped into
some other macro, as I proposed?

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