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Date:   Wed, 16 Jun 2021 09:43:28 -0700
From:   Kees Cook <keescook@chromium.org>
To:     Lecopzer Chen <lecopzer.chen@mediatek.com>
Cc:     clang-built-linux@googlegroups.com, linux-kbuild@vger.kernel.org,
        linux-kernel@vger.kernel.org, masahiroy@kernel.org,
        michal.lkml@markovi.net, nathan@kernel.org,
        ndesaulniers@google.com, samitolvanen@google.com,
        yj.chiang@mediatek.com
Subject: Re: [PATCH] kbuild: lto: fix module versionings mismatch in
 incremental build
Message-ID: <202106160942.A89674E54@keescook>
References: <202106150821.B4D3E02@keescook>
 <20210616080252.32046-1-lecopzer.chen@mediatek.com>
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On Wed, Jun 16, 2021 at 04:02:52PM +0800, Lecopzer Chen wrote:
> Yes, We can imitate how CLANG_VERSION was implemented in Kconfig.
> 
> Accroding to GNU make release page[1], I've only tested for 3.81,
> 4.2 and 4.3.
> 4.2 was released in 2016, I think it's fine for LTO lowest version.

Okay, sounds good. Are you able to build a patch for this?

Thanks for figuring it out!

-- 
Kees Cook