From: Geert Uytterhoeven <geert@linux-m68k.org>
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 <linux-kbuild@vger.kernel.org>,
clang-built-linux <clang-built-linux@googlegroups.com>,
Nathan Chancellor <nathan@kernel.org>
Subject: Re: [PATCH 2/2] Makefile: drop CROSS_COMPILE for LLVM=1 LLVM_IAS=1
Date: Thu, 8 Jul 2021 10:08:35 +0200 [thread overview]
Message-ID: <CAMuHMdXuzb6PuujuCzm_FYq9ZeZeJxVZiYTGxdGeOTkZ6+W=+w@mail.gmail.com> (raw)
In-Reply-To: <20210707224310.1403944-3-ndesaulniers@google.com>
Hi Nick,
On Thu, Jul 8, 2021 at 1:12 AM Nick Desaulniers <ndesaulniers@google.com> wrote:
> We get constant feedback that the command line invocation of make is too
> long. CROSS_COMPILE is helpful when a toolchain has a prefix of the
> target triple, or is an absolute path outside of $PATH, but it's mostly
> redundant for a given ARCH.
>
> If CROSS_COMPILE is not set, simply set --target= for CLANG_FLAGS,
> KBUILD_CFLAGS, and KBUILD_AFLAGS based on $ARCH.
>
> Previously, we'd cross compile via:
> $ ARCH=arm64 CROSS_COMPILE=aarch64-linxu-gnu make LLVM=1 LLVM_IAS=1
Which didn't really work, I assume? (s/linxu/linux/)
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-07-08 8:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-07 22:43 [PATCH 0/2] infer CROSS_COMPILE from ARCH for LLVM=1 LLVM_IAS=1 Nick Desaulniers
2021-07-07 22:43 ` [PATCH 1/2] Makefile: move initial clang flag handling into scripts/Makefile.clang Nick Desaulniers
2021-07-07 22:43 ` [PATCH 2/2] Makefile: drop CROSS_COMPILE for LLVM=1 LLVM_IAS=1 Nick Desaulniers
2021-07-08 8:08 ` Geert Uytterhoeven [this message]
2021-07-08 8:44 ` Masahiro Yamada
2021-07-08 10:21 ` Masahiro Yamada
2021-07-08 11:44 ` Arnd Bergmann
2021-07-08 19:06 ` Nick Desaulniers
2021-07-08 19:02 ` Nick Desaulniers
2021-07-08 19:47 ` Masahiro Yamada
2021-07-08 5:49 ` [PATCH 0/2] infer CROSS_COMPILE from ARCH " Christoph Hellwig
2021-07-08 7:27 ` Arnd Bergmann
2021-07-08 18:04 ` Nick Desaulniers
2021-07-09 8:07 ` Arnd Bergmann
2021-07-14 18:09 ` Nick Desaulniers
2021-07-14 20:18 ` Arnd Bergmann
2021-07-19 21:10 ` Nick Desaulniers
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