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From: Sedat Dilek <sedat.dilek@gmail.com>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
	Michal Marek <michal.lkml@markovi.net>,
	Nick Desaulniers <ndesaulniers@google.com>,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	Clang-Built-Linux ML <clang-built-linux@googlegroups.com>,
	Behan Webster <behanw@gmail.com>
Subject: Re: [PATCH 1/2] Makefile: Remove '--gcc-toolchain' flag
Date: Wed, 3 Mar 2021 15:22:36 +0100	[thread overview]
Message-ID: <CA+icZUWqhEJwWs+KJJgDxHYGb+L=yd264hV=LRAzPPipLaMMnQ@mail.gmail.com> (raw)
In-Reply-To: <CA+icZUWKZ+vVTqSkPP0D8MMWuZkNzL1zpm+EkWrNSMM-5H3d1w@mail.gmail.com>

On Wed, Mar 3, 2021 at 4:25 AM Sedat Dilek <sedat.dilek@gmail.com> wrote:
>
> On Tue, Mar 2, 2021 at 10:07 PM Nathan Chancellor <nathan@kernel.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@kernel.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.
>

I tested these two patches in my build environment.
So far no issues.
NOTE: I have not tested the combo: Clang and GNU AS.

Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM/Clang v13-git

- 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
> >
> > --
> > You received this message because you are subscribed to the Google Groups "Clang Built Linux" group.
> > To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com.
> > To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/20210302210646.3044738-1-nathan%40kernel.org.

  reply	other threads:[~2021-03-03 18:40 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-02 21:06 Nathan Chancellor
2021-03-02 21:06 ` [PATCH 2/2] Makefile: Only specify '--prefix=' when building with clang + GNU as Nathan Chancellor
2021-03-02 22:02   ` Fangrui Song
2021-03-02 22:09     ` Nick Desaulniers
2021-03-02 22:40       ` Nick Desaulniers
2021-03-09 19:55   ` Masahiro Yamada
2021-03-09 19:58     ` Masahiro Yamada
2021-09-29 17:26   ` kernel test robot
2021-09-29 19:32   ` kernel test robot
2021-03-02 21:43 ` [PATCH 1/2] Makefile: Remove '--gcc-toolchain' flag Fangrui Song
2021-03-03  8:33   ` Masahiro Yamada
2021-03-02 22:33 ` Nick Desaulniers
2021-03-03  3:25 ` Sedat Dilek
2021-03-03 14:22   ` Sedat Dilek [this message]
2021-03-09 20:59 ` [PATCH v2 " Nathan Chancellor
2021-03-09 20:59   ` [PATCH v2 2/2] Makefile: Only specify '--prefix=' when building with clang + GNU as Nathan Chancellor
2021-03-09 21:15   ` [PATCH v2 1/2] Makefile: Remove '--gcc-toolchain' flag Fangrui Song
2021-03-15 16:21   ` Masahiro Yamada
2021-03-15 16:41     ` Sedat Dilek
2021-03-16 15:36       ` Masahiro Yamada
2021-03-03 23:07 [PATCH " Fangrui Song
2021-03-04 19:11 ` Fāng-ruì Sòng
2021-03-08 13:59 ` Masahiro Yamada

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