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SubjectRe: [PATCH] selftests/bpf: add LDFLAGS when building test_verifier
On Mon, Mar 29, 2021 at 11:11 AM Jisheng Zhang
<jszhang3@mail.ustc.edu.cn> wrote:
>
> From: Jisheng Zhang <jszhang@kernel.org>
>
> This is useful for cross compile process to point linker to the
> correct libelf, libcap, libz path.

Is this enough to make cross-compilation of selftests/bpf work? I
think there was a discussion another day about cross-compiling
selftests/bpf, so I wonder if this is the only change that's needed to
make it work.

>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
> tools/testing/selftests/bpf/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
> index 044bfdcf5b74..dac1c5094e28 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -447,7 +447,7 @@ verifier/tests.h: verifier/*.c
> ) > verifier/tests.h)
> $(OUTPUT)/test_verifier: test_verifier.c verifier/tests.h $(BPFOBJ) | $(OUTPUT)
> $(call msg,BINARY,,$@)
> - $(Q)$(CC) $(CFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
> + $(Q)$(CC) $(CFLAGS) $(LDFLAGS) $(filter %.a %.o %.c,$^) $(LDLIBS) -o $@
>
> # Make sure we are able to include and link libbpf against c++.
> $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
> --
> 2.31.0
>
>

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