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SubjectRe: [PATCH] kbuild: uapi: use -fsyntax-only rather than -S
On Thu, Mar 31, 2022 at 3:34 AM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> The UAPI header tests are checking that the generated headers do not
> have syntax errors. There's no need to run the rest of the compilation
> pipeline after semantic analysis has run. Replace -S -o /dev/null with
> -fsyntax-only.
>

Applied to linux-kbuild.
Thanks.


> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
> ---
> usr/include/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/usr/include/Makefile b/usr/include/Makefile
> index 7b283d43f00d..bf193e205dbe 100644
> --- a/usr/include/Makefile
> +++ b/usr/include/Makefile
> @@ -89,7 +89,7 @@ extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/d
> # Include the header twice to detect missing include guard.
> quiet_cmd_hdrtest = HDRTEST $<
> cmd_hdrtest = \
> - $(CC) $(c_flags) -S -o /dev/null -x c /dev/null \
> + $(CC) $(c_flags) -fsyntax-only -x c /dev/null \
> $(if $(filter-out $(no-header-test), $*.h), -include $< -include $<); \
> $(PERL) $(srctree)/$(src)/headers_check.pl $(obj) $(SRCARCH) $<; \
> touch $@
>
> base-commit: 74164d284b2909de0ba13518cc063e9ea9334749
> --
> 2.35.1.1021.g381101b075-goog
>


--
Best Regards
Masahiro Yamada

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