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Date: Tue, 11 Jun 2024 12:03:01 -0400
From: Rafael Aquini <aquini@redhat.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>
Subject: Re: [PATCH] kbuild: rpm-pkg: fix rpmbuild warnings for kernel.spec
Message-ID: <Zmh1NXtY5W63BmRt@optiplex-fbsd>
References: <20240610163856.693110-1-aquini@redhat.com>
 <CAK7LNASe0q4W2cuLnLnpJbWtyoOoZ6Gi+wJw=JiRyZrT9KdNEQ@mail.gmail.com>
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On Wed, Jun 12, 2024 at 12:00:18AM +0900, Masahiro Yamada wrote:
> On Tue, Jun 11, 2024 at 1:39 AM Rafael Aquini <aquini@redhat.com> wrote:
> >
> > Newer revisions of rpmbuild are throwing warnings about the current
> > kernel.spec template having an unversioned kernel-headers in the
> > 'Obsoletes:' field and not being able to source the epoch's date from
> > the spec's missing '%changelog' section:
> >
> >   $ make srcrpm-pkg
> >     UPD     include/config/kernel.release
> >     GEN     rpmbuild/SPECS/kernel.spec
> >     UPD     .tmp_HEAD
> >     ARCHIVE linux.tar.gz
> >   rpmbuild -bs rpmbuild/SPECS/kernel.spec --define='_topdir /mnt/nfs/work/kernel/linux/rpmbuild'
> >   warning: line 34: It's not recommended to have unversioned Obsoletes: Obsoletes: kernel-headers
> >   warning: source_date_epoch_from_changelog set but %changelog is missing
> >   Wrote: /mnt/nfs/work/kernel/linux/rpmbuild/SRPMS/kernel-6.10.0_rc3-1.src.rpm
> >
> >   RPM build warnings:
> >       line 34: It's not recommended to have unversioned Obsoletes: Obsoletes: kernel-headers
> >       source_date_epoch_from_changelog set but %changelog is missing
> >
> > This patch addresses both RPM build warnings.
> >
> > Signed-off-by: Rafael Aquini <aquini@redhat.com>
> > ---
> >  scripts/package/kernel.spec | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/scripts/package/kernel.spec b/scripts/package/kernel.spec
> > index e095eb1e290e..4d58b29c03ad 100644
> > --- a/scripts/package/kernel.spec
> > +++ b/scripts/package/kernel.spec
> > @@ -1,3 +1,5 @@
> > +%global source_date_epoch_from_changelog 0
> >
> 
> 
> Another possibility might be to add %changelog section.
> 
> In Debian packaging, debian/changelog is a requirement.
> 
> scripts/package/mkdebian generates a very small
> debian/changelog with a single log entry.
>

I'll take a stab at it, then. Thanks for the pointer!
 
Cheers,
-- Rafael