netdev - Re: [PATCH bpf] samples/bpf: kbuild: add CONFIG_SAMPLE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20191002231448.GA10649@khorivan>
Date:   Thu, 3 Oct 2019 02:14:50 +0300
From:   Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>
To:     Björn Töpel <bjorn.topel@...il.com>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Björn Töpel <bjorn.topel@...el.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf] samples/bpf: kbuild: add CONFIG_SAMPLE_BPF Kconfig

On Wed, Oct 02, 2019 at 09:41:15AM +0200, Björn Töpel wrote:
>On Wed, 2 Oct 2019 at 03:49, Masahiro Yamada
><yamada.masahiro@...ionext.com> wrote:
>>
>[...]
>> > Yes, the BPF samples require clang/LLVM with BPF support to build. Any
>> > suggestion on a good way to address this (missing tools), better than
>> > the warning above? After the commit 394053f4a4b3 ("kbuild: make single
>> > targets work more correctly"), it's no longer possible to build
>> > samples/bpf without support in the samples/Makefile.
>>
>>
>> You can with
>>
>> "make M=samples/bpf"
>>
>
>Oh, I didn't know that. Does M= support "output" builds (O=)?
>
>I usually just build samples/bpf/ with:
>
>  $ make V=1 O=/home/foo/build/bleh samples/bpf/
>
>
>Björn

Shouldn't README be updated?

-- 
Regards,
Ivan Khoronzhuk