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From: "Björn Töpel" <bjorn.topel@gmail.com>
To: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Cc: "Masahiro Yamada" <yamada.masahiro@socionext.com>,
	Networking <netdev@vger.kernel.org>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Björn Töpel" <bjorn.topel@intel.com>,
	"Linux Kbuild mailing list" <linux-kbuild@vger.kernel.org>,
	bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH bpf] samples/bpf: kbuild: add CONFIG_SAMPLE_BPF Kconfig
Date: Thu, 3 Oct 2019 08:28:14 +0200	[thread overview]
Message-ID: <CAJ+HfNiCrcVDwQw4nxsntnTSy2pUgV2n6pW206==hUmq1=ZUTA@mail.gmail.com> (raw)
In-Reply-To: <20191002231448.GA10649@khorivan>

On Thu, 3 Oct 2019 at 01:14, Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> wrote:
>
> 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@socionext.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?
>

Hmm, the M= variant doesn't work at all for me. The build is still
broken for me. Maybe I'm missing anything obvious...


> --
> Regards,
> Ivan Khoronzhuk

  reply	other threads:[~2019-10-03  6:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01 10:14 [PATCH bpf] samples/bpf: kbuild: add CONFIG_SAMPLE_BPF Kconfig Björn Töpel
2019-10-01 10:17 ` Björn Töpel
2019-10-01 12:33 ` Masahiro Yamada
2019-10-01 14:16   ` Björn Töpel
2019-10-02  1:48     ` Masahiro Yamada
2019-10-02  7:41       ` Björn Töpel
2019-10-02 23:14         ` Ivan Khoronzhuk
2019-10-03  6:28           ` Björn Töpel [this message]
2019-10-03 10:36             ` Masahiro Yamada
2019-10-03 10:50               ` Björn Töpel
2019-10-03 17:16                 ` Andrii Nakryiko
2019-10-03 17:37                   ` Björn Töpel

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