netdev - Re: [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support

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Message-ID: <87tuto3mpk.fsf@toke.dk>
Date:   Tue, 17 Nov 2020 00:29:11 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Hangbin Liu <haliu@...hat.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        David Ahern <dsahern@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        David Miller <davem@...emloft.net>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, Jiri Benc <jbenc@...hat.com>,
        brouer@...hat.com
Subject: Re: [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support

Jesper Dangaard Brouer <brouer@...hat.com> writes:

> When compiled against dynamic libbpf, then I would use 'ldd' command to
> see what libbpf lib version is used.  When compiled/linked statically
> against a custom libbpf version (already supported via LIBBPF_DIR) then
> *I* think is difficult to figure out that version of libbpf I'm using.
> Could we add the libbpf version info in 'tc -V', as then it would
> remove one of my concerns with static linking.

Agreed, I think we should definitely add the libbpf version to the tool
version output.

-Toke