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Message-ID: <CA+icZUWKZ+vVTqSkPP0D8MMWuZkNzL1zpm+EkWrNSMM-5H3d1w@mail.gmail.com>
Date: Wed, 3 Mar 2021 04:25:47 +0100
From: Sedat Dilek <sedat.dilek@...il.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Masahiro Yamada <masahiroy@...nel.org>,
Michal Marek <michal.lkml@...kovi.net>,
Nick Desaulniers <ndesaulniers@...gle.com>,
linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
Clang-Built-Linux ML <clang-built-linux@...glegroups.com>,
Behan Webster <behanw@...il.com>
Subject: Re: [PATCH 1/2] Makefile: Remove '--gcc-toolchain' flag
On Tue, Mar 2, 2021 at 10:07 PM Nathan Chancellor <nathan@...nel.org> wrote:
>
> This is not necessary anymore now that we specify '--prefix=', which
> tells clang exactly where to find the GNU cross tools. This has been
> verified with self compiled LLVM 10.0.1 and LLVM 13.0.0 as well as a
> distribution version of LLVM 11.1.0 without binutils in the LLVM
> toolchain locations.
>
> Signed-off-by: Nathan Chancellor <nathan@...nel.org>
[ CC Behan ]
Hahaha, that is a change of a very early commit in times of the
LLVM/Clang Linux-kernel development.
So-to-say a historical change :-).
I will try this patchset later with latest Linux -v5.12-rc1+ and my
custom patchset.
Thanks.
- Sedat -
> ---
> Makefile | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index f9b54da2fca0..c20f0ad8be73 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -568,10 +568,6 @@ ifneq ($(CROSS_COMPILE),)
> CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
> GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
> CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
> -GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
> -endif
> -ifneq ($(GCC_TOOLCHAIN),)
> -CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN)
> endif
> ifneq ($(LLVM_IAS),1)
> CLANG_FLAGS += -no-integrated-as
>
> base-commit: 7a7fd0de4a9804299793e564a555a49c1fc924cb
> --
> 2.31.0.rc0.75.gec125d1bc1
>
> --
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