RE: Meson buildtype for ci jobs?

["Richardson, Bruce" <bruce.richardson@intel.com>]

> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Wednesday, March 15, 2023 5:10 PM
> To: Richardson, Bruce <bruce.richardson@intel.com>
> Cc: Patrick Robb <probb@iol.unh.edu>; ci@dpdk.org; Aaron Conole
> <aconole@redhat.com>; Thomas Monjalon <thomas@monjalon.net>
> Subject: Re: Meson buildtype for ci jobs?
> 
> On Wed, Mar 15, 2023 at 6:02 PM Richardson, Bruce
> <bruce.richardson@intel.com> wrote:
> >
> >
> >
> > > -----Original Message-----
> > > From: David Marchand <david.marchand@redhat.com>
> > > Sent: Wednesday, March 15, 2023 4:08 PM
> > > To: Patrick Robb <probb@iol.unh.edu>
> > > Cc: ci@dpdk.org; Aaron Conole <aconole@redhat.com>; Richardson, Bruce
> > > <bruce.richardson@intel.com>; Thomas Monjalon <thomas@monjalon.net>
> > > Subject: Re: Meson buildtype for ci jobs?
> > >
> > > On Wed, Mar 15, 2023 at 4:52 PM Patrick Robb <probb@iol.unh.edu>
> wrote:
> > > >
> > > > Hello all,
> > > >
> > > > The lab recently received a request to re-enable Alpine compile
> jobs,
> > > which have been disabled for almost a year. In dry running the compile
> > > job, I noticed that it was failing. At the same time, David Marchand
> did
> > > an Alpine compile with Github Actions which was successful. It seems
> the
> > > source of the different behavior is the meson buildtype being used -
> the
> > > build script used by GHA sets meson buildtype to debugoptimized,
> whereas
> > > the script used by the community lab runs with buildtype debug (the
> meson
> > > default). I did my own Github Actions runs (with both buildtype
> options)
> > > to sanity check:
> > >
> https://github.com/PatrickRobbIOL/dpdk/actions/runs/4427160204/jobs/776436
> > > 8640
> > >
> > > Are you sure about the default value?
> > >
> > > Afaics, meson selects by default a "release" buildtype (and I think I
> > > always saw this value in the past).
> > > I have this with meson 1.0.
> > >
> > > $ meson setup qsdlgfh
> > > ...
> > > $ meson configure qsdlgfh | grep buildtype
> > >   buildtype                      release
> > > [plain, debug, debugoptimized,   Build type to use
> > >
> > > >
> > > > The reason I'm writing this email is that I'm wondering whether the
> > > buildtype decision made by those who wrote .ci/linux-build.sh for GHA
> was
> > > intentional and important. I know many of the people who have commits
> on
> > > that script follow this mailing list. Obviously if it's in some way
> more
> > > appropriate for CI purposes to run meson setup in this way, I'm happy
> to
> > > make that change at the lab and in the process that would free up
> bringing
> > > Alpine compile testing online. But, if not, then I think it's most
> > > appropriate to consider compile on Alpine as broken and avoid bringing
> > > coverage for Alpine online until that issue is resolved.
> > >
> > > The reason why we went with debugoptimized was primarly for the ABI
> > > checks, as by default, the debug symbols were missing (which would
> > > match with a "release" default buildtype).
> > > See 777014e56d07 ("devtools: add ABI checks").
> > >
> >
> > Would passing "-Ddebug=true" be better than changing the default
> buildtype?
> > It's possible to have a release build (i.e. O3 optimized) with debug
> info.
> 
> I would expect it to work, though I never tried it as I understood
> what optimization, debug and buildtype relations were recently, only
> :-).
> 

For a given value of "recent". 😊