| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Richard Guo <guofenglinux(at)gmail(dot)com> |
| Cc: | David Rowley <dgrowleyml(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Compiling warnings on old GCC |
| Date: | 2023-11-06 14:47:44 |
| Message-ID: | 3830161.1699282064@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Richard Guo <guofenglinux(at)gmail(dot)com> writes:
> On Mon, Nov 6, 2023 at 2:51 PM David Rowley <dgrowleyml(at)gmail(dot)com> wrote:
>> There's some relevant discussion in
>> https://postgr.es/m/flat/20220602024243.GJ29853%40telsasoft.com
> It seems that the controversial '-Og' coupled with the old GCC version
> (4.8) makes it not worth fixing. So please ignore this thread.
Although nobody tried to enunciate a formal policy in the other thread,
I think where we ended up is that we'd consider suppressing warnings
seen with -Og, but only with reasonably-modern compiler versions.
For LTS compilers we are only going to care about warnings seen with
production flags (i.e., -O2 or better).
regards, tom lane
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