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From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date:   Mon, 24 Jun 2019 12:58:15 -0700
Message-ID: <CAADnVQKZycXgSw6C0qa7g0y=W3xRhM_4Rqcj7ZzL=rGh_n4mgA@mail.gmail.com>
Subject: Re: selftests: bpf: test_libbpf.sh failed at file test_l4lb.o
To:     Dan Rue <dan.rue@linaro.org>
Cc:     Andrii Nakryiko <andrii.nakryiko@gmail.com>,
        Naresh Kamboju <naresh.kamboju@linaro.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
        Netdev <netdev@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Xdp <xdp-newbies@vger.kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Alexei Starovoitov <ast@kernel.org>, Martin Lau <kafai@fb.com>,
        Yonghong Song <yhs@fb.com>,
        john fastabend <john.fastabend@gmail.com>,
        Jesper Dangaard Brouer <hawk@kernel.org>,
        Jakub Kicinski <jakub.kicinski@netronome.com>,
        Shuah Khan <shuah@kernel.org>
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On Mon, Jun 24, 2019 at 12:53 PM Dan Rue <dan.rue@linaro.org> wrote:
>
> I would say if it's not possible to check at runtime, and it requires
> clang 9.0, that this test should not be enabled by default.

The latest clang is the requirement.
If environment has old clang or no clang at all these tests will be failing.