linux-kernel - Re: [PATCH] arm64: vdso32: Fix '--prefix=' value for newer versions of clang

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Date:   Thu, 23 Jul 2020 11:10:31 +0100
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Nathan Chancellor <natechancellor@...il.com>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        clang-built-linux@...glegroups.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] arm64: vdso32: Fix '--prefix=' value for newer versions of clang

On Wed, 22 Jul 2020 21:15:10 -0700, Nathan Chancellor wrote:
> Newer versions of clang only look for $(COMPAT_GCC_TOOLCHAIN_DIR)as [1],
> rather than $(COMPAT_GCC_TOOLCHAIN_DIR)$(CROSS_COMPILE_COMPAT)as,
> resulting in the following build error:
> 
> $ make -skj"$(nproc)" ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
> CROSS_COMPILE_COMPAT=arm-linux-gnueabi- LLVM=1 O=out/aarch64 distclean \
> defconfig arch/arm64/kernel/vdso32/
> ...
> /home/nathan/cbl/toolchains/llvm-binutils/bin/as: unrecognized option '-EL'
> clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)
> make[3]: *** [arch/arm64/kernel/vdso32/Makefile:181: arch/arm64/kernel/vdso32/note.o] Error 1
> ...
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: vdso32: Fix '--prefix=' value for newer versions of clang
      https://git.kernel.org/arm64/c/7b7891c7bdfd

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev