linux-kernel - Re: [PATCH v2] selftests/bpf: Use pkg-config to determine ld flags

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Message-ID: <a158470f-6393-4a24-ad8f-ce6c3474db9f@daynix.com>
Date:   Mon, 16 Oct 2023 21:46:47 +0900
From:   Akihiko Odaki <akihiko.odaki@...nix.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Andrii Nakryiko <andrii@...nel.org>,
        Mykola Lysenko <mykolal@...com>,
        Alexei Starovoitov <ast@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Shuah Khan <shuah@...nel.org>, Nick Terrell <terrelln@...com>,
        bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftests/bpf: Use pkg-config to determine ld flags

On 2023/10/16 21:19, Daniel Borkmann wrote:
> On 10/16/23 1:54 PM, Akihiko Odaki wrote:
>> When linking statically, libraries may require other dependencies to be
>> included to ld flags. In particular, libelf may require libzstd. Use
>> pkg-config to determine such dependencies.
>>
>> Signed-off-by: Akihiko Odaki <akihiko.odaki@...nix.com>
>> ---
>> V1 -> V2: Implemented fallback, referring to HOSTPKG_CONFIG.
> 
> This still does not work with BPF CI, BPF selftest build fails again :
> 
> https://github.com/kernel-patches/bpf/actions/runs/6524480596/job/17716169959 :

I was so careless forgetting to put "echo". I have just sent v3.