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

[Masahiro Yamada]

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.




>  # _arch is undefined if /usr/lib/rpm/platform/*/macros was not included.
>  %{!?_arch: %define _arch dummy}
>  %{!?make: %define make make}
> @@ -27,7 +29,7 @@ The Linux Kernel, the operating system core itself
>  %package headers
>  Summary: Header files for the Linux kernel for use by glibc
>  Group: Development/System
> -Obsoletes: kernel-headers
> +Obsoletes: kernel-headers < %{version}


No objection to this fix.



>  Provides: kernel-headers = %{version}
>  %description headers
>  Kernel-headers includes the C header files that specify the interface
> --
> 2.45.1
>


-- 
Best Regards
Masahiro Yamada