From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>, bpf <bpf@vger.kernel.org>,
Martin Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
john fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>
Subject: Re: [PATCH bpf-next v3 3/7] tools/bpftool: Fix cross-build
Date: Tue, 10 Nov 2020 21:04:17 -0800 [thread overview]
Message-ID: <CAEf4Bza8Q_xaT9-xehH=GxfDLjDE_RZ5SSo9i_Ho4979qCWkrg@mail.gmail.com> (raw)
In-Reply-To: <20201110164310.2600671-4-jean-philippe@linaro.org>
On Tue, Nov 10, 2020 at 8:44 AM Jean-Philippe Brucker
<jean-philippe@linaro.org> wrote:
>
> The bpftool build first creates an intermediate binary, executed on the
> host, to generate skeletons required by the final build. When
> cross-building bpftool for an architecture different from the host, the
> intermediate binary should be built using the host compiler (gcc) and
> the final bpftool using the cross compiler (e.g. aarch64-linux-gnu-gcc).
>
> Generate the intermediate objects into the bootstrap/ directory using
> the host toolchain.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> ---
> v3: Always set LIBBPF_OUTPUT. Tidy the clean recipe.
> ---
LGTM.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
> tools/bpf/bpftool/Makefile | 34 ++++++++++++++++++++++++++--------
> 1 file changed, 26 insertions(+), 8 deletions(-)
>
[...]
next prev parent reply other threads:[~2020-11-11 5:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 16:43 [PATCH bpf-next v3 0/7] tools/bpftool: Some build fixes Jean-Philippe Brucker
2020-11-10 16:43 ` [PATCH bpf-next v3 1/7] tools: Factor HOSTCC, HOSTLD, HOSTAR definitions Jean-Philippe Brucker
2020-11-10 16:43 ` [PATCH bpf-next v3 2/7] tools/bpftool: Force clean of out-of-tree build Jean-Philippe Brucker
2020-11-11 4:57 ` Andrii Nakryiko
2020-11-11 8:54 ` Jean-Philippe Brucker
2020-11-11 18:22 ` Andrii Nakryiko
2020-11-10 16:43 ` [PATCH bpf-next v3 3/7] tools/bpftool: Fix cross-build Jean-Philippe Brucker
2020-11-11 5:04 ` Andrii Nakryiko [this message]
2020-11-11 20:50 ` Andrii Nakryiko
2020-11-10 16:43 ` [PATCH bpf-next v3 4/7] tools/runqslower: Use Makefile.include Jean-Philippe Brucker
2020-11-11 5:06 ` Andrii Nakryiko
2020-11-10 16:43 ` [PATCH bpf-next v3 5/7] tools/runqslower: Enable out-of-tree build Jean-Philippe Brucker
2020-11-11 5:11 ` Andrii Nakryiko
2020-11-11 8:53 ` Jean-Philippe Brucker
2020-11-11 18:23 ` Andrii Nakryiko
2020-11-10 16:43 ` [PATCH bpf-next v3 6/7] tools/runqslower: Build bpftool using HOSTCC Jean-Philippe Brucker
2020-11-11 5:11 ` Andrii Nakryiko
2020-11-10 16:43 ` [PATCH bpf-next v3 7/7] tools/bpftool: Fix build slowdown Jean-Philippe Brucker
2020-11-11 5:12 ` Andrii Nakryiko
2020-11-11 20:40 ` [PATCH bpf-next v3 0/7] tools/bpftool: Some build fixes patchwork-bot+netdevbpf
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