On Thu, 2 Jun 2022, 07:10 Tom Lane, <t...@sss.pgh.pa.us> wrote: > > Justin Pryzby <pry...@telsasoft.com> writes: > > forking: <20220302205058.gj15...@telsasoft.com>: Re: Adding CI to our tree > > On Wed, Mar 02, 2022 at 02:50:58PM -0600, Justin Pryzby wrote: > >> BTW (regarding the last patch), I just noticed that -Og optimization can > >> cause > >> warnings with gcc-4.8.5-39.el7.x86_64. > > I'm a little dubious about whether -Og is a case we should pay special > attention to? Our standard optimization setting for gcc is -O2, and > once you go away from that there are any number of weird cases that > may or may not produce warnings. I'm not entirely willing to buy > the proposition that we must suppress warnings on > any-random-gcc-version combined with any-random-options.
The "Developer FAQ" page on the wiki suggests that when you develop with gcc that you use CFLAGS="-ggdb -Og -g3 -fno-omit-frame-pointer" during development, so I'd hardly call -Og "any random option". -Matthias
