Re: Use -fvisibility=hidden for shared libraries

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Use -fvisibility=hidden for shared libraries
Date: 2022-07-18 22:09:38
Views: Raw Message | Whole Thread | Download mbox | Resend email
Lists: pgsql-hackers


On 2022-07-18 00:05:16 -0700, Andres Freund wrote:
> It looks like we might be missing out on benefiting from this on more
> platforms - the test right now is in the gcc specific section of,
> but it looks like at least Intel's, sun's and AIX's compilers might all
> support -fvisibility with the same syntax.
> Given that that's just about all compilers we support using configure, perhaps
> we should just move that out of the compiler specific section? Doesn't look
> like there's much precedent for that so far...

Here's a potential patch along those lines.

I wonder if we also should move the -fno-strict-aliasing, -fwrapv tests
out. But that'd be something for later.


Andres Freund

Attachment Content-Type Size
v4-0001-configure-Check-if-fvisibility-is-supported-for-a.patch text/x-diff 13.6 KB

In response to


Browse pgsql-hackers by date

  From Date Subject
Next Message Nathan Bossart 2022-07-18 22:17:10 Re: allow specifying action when standby encounters incompatible parameter settings
Previous Message Nathan Bossart 2022-07-18 21:56:49 Re: pg_parameter_aclcheck() and trusted extensions