linux-kernel - Re: [PATCH] kbuild: Inform user to pass ARCH= for make mrproper

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Message-ID: <CAK7LNARKaj9Tw+Am0hvQOOW8ZTh_LvY-tSPoZjvJWez4RaOPQA@mail.gmail.com>
Date:   Thu, 11 Jul 2019 13:14:03 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: Inform user to pass ARCH= for make mrproper

On Wed, Jul 10, 2019 at 1:30 AM Christoph Hellwig <hch@...radead.org> wrote:
>
> Is there any chance we could save ARCH in .config?  That would make
> cross compile builds so much easier..  Same for CROSS_COMPILE.


Then, I have no idea how "make clean", "make help", etc. should work.

If a user has configured the kernel, do they work for CONFIG_ARCH
stored in the .config file or still for the host-arch?

If not yet, do they fall-back to host-arch?



-- 
Best Regards
Masahiro Yamada