Re: [PATCH] kbuild: rpm-pkg: fix rpmbuild warnings for kernel.spec

[Rafael Aquini]

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@xxxxxxxxxx> 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@xxxxxxxxxx>
> > ---
> >  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