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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Tue, 20 Jul 2021 16:22:42 -0700
Message-ID: <CAHk-=wj-TkHtkxSOLDzXhThvRCrRys3fo4T9=mtbUy+9kBGe4Q@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 4:19 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> There are probably better ways to do this

Oh. In particular, it probably should use a '?=' in order to allow
overriding, and not expanding that $(shell git config..) thing every
time $(CC) is used.

Or something. I didn't really think about those things very much.
Think of that patch - as so many of my patches - as a starting point
and a "how about something like this".

              Linus