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SubjectRe: [PATCH v2] tools: do not include scripts/Kbuild.include
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On 4/16/21 6:00 AM, Masahiro Yamada wrote:
> Since commit d9f4ff50d2aa ("kbuild: spilt cc-option and friends to
> scripts/Makefile.compiler"), some kselftests fail to build.
>
> The tools/ directory opted out Kbuild, and went in a different
> direction. They copy any kind of files to the tools/ directory
> in order to do whatever they want in their world.
>
> tools/build/Build.include mimics scripts/Kbuild.include, but some
> tool Makefiles included the Kbuild one to import a feature that is
> missing in tools/build/Build.include:
>
> - Commit ec04aa3ae87b ("tools/thermal: tmon: use "-fstack-protector"
> only if supported") included scripts/Kbuild.include from
> tools/thermal/tmon/Makefile to import the cc-option macro.
>
> - Commit c2390f16fc5b ("selftests: kvm: fix for compilers that do
> not support -no-pie") included scripts/Kbuild.include from
> tools/testing/selftests/kvm/Makefile to import the try-run macro.
>
> - Commit 9cae4ace80ef ("selftests/bpf: do not ignore clang
> failures") included scripts/Kbuild.include from
> tools/testing/selftests/bpf/Makefile to import the .DELETE_ON_ERROR
> target.
>
> - Commit 0695f8bca93e ("selftests/powerpc: Handle Makefile for
> unrecognized option") included scripts/Kbuild.include from
> tools/testing/selftests/powerpc/pmu/ebb/Makefile to import the
> try-run macro.
>
> Copy what they need into tools/build/Build.include, and make them
> include it instead of scripts/Kbuild.include.
>
> Link: https://lore.kernel.org/lkml/86dadf33-70f7-a5ac-cb8c-64966d2f45a1@linux.ibm.com/
> Fixes: d9f4ff50d2aa ("kbuild: spilt cc-option and friends to scripts/Makefile.compiler")
> Reported-by: Janosch Frank <frankja@linux.ibm.com>
> Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

LGTM although I see some tools Makefile directly added
".DELETE_ON_ERROR:" in their Makefile.

Acked-by: Yonghong Song <yhs@fb.com>

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