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 6/7] tools/runqslower: Build bpftool using HOSTCC
Date: Tue, 10 Nov 2020 21:11:37 -0800 [thread overview]
Message-ID: <CAEf4BzYsJe6k9_K41VE2rKi8eudjzGp4w8dsyYAiZv9gHUAFHg@mail.gmail.com> (raw)
In-Reply-To: <20201110164310.2600671-7-jean-philippe@linaro.org>
On Tue, Nov 10, 2020 at 8:44 AM Jean-Philippe Brucker
<jean-philippe@linaro.org> wrote:
>
> When cross building runqslower for an other architecture, the
> intermediate bpftool used to generate a skeleton must be built using the
> host toolchain. Pass HOSTCC and HOSTLD, defined in Makefile.include, to
> the bpftool Makefile.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> ---
Acked-by: Andrii Nakryiko <andrii@kernel.org>
> tools/bpf/runqslower/Makefile | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
> index 0fc4d4046193..4d5ca54fcd4c 100644
> --- a/tools/bpf/runqslower/Makefile
> +++ b/tools/bpf/runqslower/Makefile
> @@ -80,4 +80,5 @@ $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(BPFOBJ_OU
> $(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(BPFOBJ_OUTPUT) $@
>
> $(DEFAULT_BPFTOOL): | $(BPFTOOL_OUTPUT)
> - $(Q)$(MAKE) $(submake_extras) -C ../bpftool OUTPUT=$(BPFTOOL_OUTPUT)
> + $(Q)$(MAKE) $(submake_extras) -C ../bpftool OUTPUT=$(BPFTOOL_OUTPUT) \
> + CC=$(HOSTCC) LD=$(HOSTLD)
> --
> 2.29.1
>
next prev parent reply other threads:[~2020-11-11 5:11 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
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 [this message]
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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