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SubjectRe: [PATCH] kbuild: Add ability to test Clang's integrated assembler
On Fri, Jun 28, 2019 at 4:15 AM Nathan Chancellor
<natechancellor@gmail.com> wrote:
>
> There are some people interested in experimenting with Clang's
> integrated assembler. To make it easy to do so without source
> modification, allow the user to specify 'AS=clang' as part of the
> make command to avoid adding '-no-integrated-as' to the {A,C}FLAGS.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/577
> Suggested-by: Dmitry Golovin <dima@golovin.in>
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

Applied to linux-kbuild. Thanks.



> ---
> Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Makefile b/Makefile
> index 5102b2bbd224..d77481129339 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -527,7 +527,9 @@ endif
> ifneq ($(GCC_TOOLCHAIN),)
> CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN)
> endif
> +ifeq ($(shell $(AS) --version 2>&1 | head -n 1 | grep clang),)
> CLANG_FLAGS += -no-integrated-as
> +endif
> CLANG_FLAGS += -Werror=unknown-warning-option
> KBUILD_CFLAGS += $(CLANG_FLAGS)
> KBUILD_AFLAGS += $(CLANG_FLAGS)
> --
> 2.22.0
>


--
Best Regards
Masahiro Yamada

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