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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 20 Jul 2021 16:19:42 -0700
Message-ID: <CAHk-=whS1zBU=uhDTk2M1LwkqG7AKLsR0_+XG+saY_s2FHZr-A@mail.gmail.com>
Subject: Re: [PATCH v2 2/2] Makefile: infer CROSS_COMPILE from SRCARCH for
 LLVM=1 LLVM_IAS=1
To:     Nick Desaulniers <ndesaulniers@google.com>
Cc:     Masahiro Yamada <masahiroy@kernel.org>,
        Miguel Ojeda <ojeda@kernel.org>,
        Fangrui Song <maskray@google.com>,
        Michal Marek <michal.lkml@markovi.net>,
        Arnd Bergmann <arnd@kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        clang-built-linux <clang-built-linux@googlegroups.com>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Christoph Hellwig <hch@infradead.org>,
        Nathan Chancellor <nathan@kernel.org>
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On Tue, Jul 20, 2021 at 2:54 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> But there are other things that stick around. In particular, I have
> considered simply using git config variables for that.
>
> Something like this in the main Makefile:

A slightly more fleshed-out patch to do this just to see if somebody
wants to work on something like this.

It really would seem to make it very easy to set up any random build
environment, and not have to remember it once it's done.

There are probably better ways to do this, I normally try to avoid
doing Makefile magic, since others have taken it over. Masahiro?

             Linus

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