Re: [PATCH] selftests/bpf: add LDFLAGS when building test_verifier

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On Mon, Mar 29, 2021 at 11:13 AM Jisheng Zhang
<jszhang3@xxxxxxxxxxxxxxxx> wrote:
>
> From: Jisheng Zhang <jszhang@xxxxxxxxxx>
>
> This is useful for cross compile process to point linker to the
> correct libelf, libcap, libz path.

LGTM:
Acked-by: Song Liu <songliubraving@xxxxxx>

btw: Do we also need LDFLAGS for some other binaries, like test_cpp,
TRUNNER_BINARY, etc?

Thanks,
Song

>
> Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
> ---
>  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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