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SubjectRe: [PATCH] tools: bpf: Use !building_out_of_srctree to determine srctree
On Thu, Sep 26, 2019 at 6:14 PM Shuah Khan <skhan@linuxfoundation.org> wrote:
>
> make TARGETS=bpf kselftest fails with:
>
> Makefile:127: tools/build/Makefile.include: No such file or directory
>
> When the bpf tool make is invoked from tools Makefile, srctree is
> cleared and the current logic check for srctree equals to empty
> string to determine srctree location from CURDIR.
>
> When the build in invoked from selftests/bpf Makefile, the srctree
> is set to "." and the same logic used for srctree equals to empty is
> needed to determine srctree.
>
> Check building_out_of_srctree undefined as the condition for both
> cases to fix "make TARGETS=bpf kselftest" build failure.
>
> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

The fix looks reasonable. Thanks!

However, I am still seeing some failure:

make TARGETS=bpf kselftest
[...]
test_verifier.c
/data/users/songliubraving/kernel/linux-git/tools/testing/selftests/bpf/test_stub.o
/data/users/songliubraving/kernel/linux-git/tools/testing/selftests/bpf/libbpf.a
-lcap -lelf -lrt -lpthread -o
/data/users/songliubraving/kernel/linux-git/tools/testing/selftests/bpf/test_verifier
make[3]: test_verifier.c: Command not found

Is this just a problem with my setup?

Thanks,
Song

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