linux-kernel - Re: [PATCH v3] kbuild: (bin)rpm-pkg: fix version number handling

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Message-ID: <CAK7LNASAEwjY6bF8Su5+=uSmsGfks-txxxD1z__RXTKULqyknQ@mail.gmail.com>
Date:   Thu, 21 Sep 2017 00:54:41 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Riku Voipio <riku.voipio@...aro.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <mmarek@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] kbuild: (bin)rpm-pkg: fix version number handling

2017-09-20 22:01 GMT+09:00 Masahiro Yamada <yamada.masahiro@...ionext.com>:
> The "Release:" field of the spec file is determined based on the
> .version file.
>
> However, the .version file is not copied to the source tar file.
> So, when we build the kernel from the source package, the UTS_VERSION
> always indicates #1.  This does not match with "rpm -q".
>
> The kernel UTS_VERSION and "rpm -q" do not agree for binrpm-pkg, either.
> Please note the kernel has already been built before the spec file is
> created.  Currently, mkspec invokes mkversion.  This script returns an
> incremented version.  So, the "Release:" field of the spec file is
> greater than the version in the kernel by one.
>
> For the source package build (where .version file is missing), we can
> give KBUILD_BUILD_VERSION=%{release} to the build command.
>
> For the binary package build, we can simply read out the .version file
> because it contains the version number that was used for building the
> kernel image.
>
> We can remove scripts/mkversion because scripts/package/Makefile need
> not touch the .version file.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
> Changes in v3:
>   - add ' 2>/dev/null || echo 1' in case .config is missing for rpm-pkg
>
> Changes in v2:
>   - Remove bogus comment in mkspec

Applied to linux-kbuild/fixes.


-- 
Best Regards
Masahiro Yamada