linux-kernel - Re: [PATCH 0/2] Fix cross-compilation issues with Clang

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Date:   Tue, 27 Jun 2023 09:32:14 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     WANG Xuerui <kernel@...0n.name>
Cc:     Huacai Chen <chenhuacai@...nel.org>,
        WANG Rui <wangrui@...ngson.cn>, Xi Ruoyao <xry111@...111.site>,
        loongarch@...ts.linux.dev, linux-kbuild@...r.kernel.org,
        llvm@...ts.linux.dev, linux-kernel@...r.kernel.org,
        WANG Xuerui <git@...0n.name>
Subject: Re: [PATCH 0/2] Fix cross-compilation issues with Clang

On Tue, Jun 27, 2023 at 09:01:20PM +0800, WANG Xuerui wrote:
> From: WANG Xuerui <git@...0n.name>
> 
> Hi,
> 
> Just some quick fixes to the recently accepted Clang patches, thanks to
> Nathan's followup testing. (I test-compiled natively so didn't notice

It is good to hear that everything works natively as well :)

> that cross-compilation was broken, and by chance the LLVM snapshot I
> used didn't contain the breaking commit either.)

And we can already see this effort making the compiler better! The
problematic LLVM patch is only a week old so we were able to catch it
before it made it into a released version. Thanks again for the work you
have done getting this working so far.

Cheers,
Nathan

> 
> With an additional LLVM patch https://reviews.llvm.org/D153865 the Clang
> builds should now get fixed.
> 
> WANG Xuerui (2):
>   LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target='
>   LoongArch: Include KBUILD_CPPFLAGS in CHECKFLAGS invocation
> 
>  arch/loongarch/Makefile      | 2 +-
>  arch/loongarch/vdso/Makefile | 5 +----
>  2 files changed, 2 insertions(+), 5 deletions(-)
> 
> -- 
> 2.40.0
>