From: Viktor Malik <vmalik@redhat.com>
To: Eduard Zingerman <eddyz87@gmail.com>, bpf@vger.kernel.org
Cc: Andrii Nakryiko <andrii@kernel.org>,
Mykola Lysenko <mykolal@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Bill Wendling <morbo@google.com>,
Justin Stitt <justinstitt@google.com>
Subject: Re: [PATCH bpf-next 1/3] selftests/bpf: Allow building with extra flags
Date: Thu, 17 Oct 2024 09:29:11 +0200 [thread overview]
Message-ID: <b0b80eda-c0be-4631-bc73-849918c903c5@redhat.com> (raw)
In-Reply-To: <7919c04f566896f293f6f6b3cc988bb6b5a5c95a.camel@gmail.com>
On 10/17/24 01:17, Eduard Zingerman wrote:
> On Tue, 2024-10-15 at 08:54 +0200, Viktor Malik wrote:
>
> Tried this, seems to work as expected, but see below.
>
> Tested-by: Eduard Zingerman <eddyz87@gmail.com>
>
> [...]
>
>> @@ -388,8 +394,8 @@ $(BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
>> $(APIDIR)/linux/bpf.h \
>> | $(BUILD_DIR)/libbpf
>> $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) OUTPUT=$(BUILD_DIR)/libbpf/ \
>> - EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS)' \
>> - EXTRA_LDFLAGS='$(SAN_LDFLAGS)' \
>> + EXTRA_CFLAGS='-g $(OPT_FLAGS) $(SAN_CFLAGS) $(EXTRA_CFLAGS)' \
>> + EXTRA_LDFLAGS='$(SAN_LDFLAGS) $(EXTRA_LDFLAGS)' \
>> DESTDIR=$(SCRATCH_DIR) prefix= all install_headers
>>
>> ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
>
> Note, that there is also the following code just below this hunk:
>
> ifneq ($(BPFOBJ),$(HOST_BPFOBJ))
> $(HOST_BPFOBJ): $(wildcard $(BPFDIR)/*.[ch] $(BPFDIR)/Makefile) \
> $(APIDIR)/linux/bpf.h \
> | $(HOST_BUILD_DIR)/libbpf
> $(Q)$(MAKE) $(submake_extras) -C $(BPFDIR) \
> EXTRA_CFLAGS='-g $(OPT_FLAGS)' ARCH= CROSS_COMPILE= \
> ^^^^^^^^^^^^
> needs an update?
Yes, good catch, I'll add it.
Thanks!
>
> OUTPUT=$(HOST_BUILD_DIR)/libbpf/ \
> CC="$(HOSTCC)" LD="$(HOSTLD)" \
> DESTDIR=$(HOST_SCRATCH_DIR)/ prefix= all install_headers
> endif
>
>
next prev parent reply other threads:[~2024-10-17 7:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 6:54 [PATCH bpf-next 0/3] selftests/bpf: Improve building with extra Viktor Malik
2024-10-15 6:54 ` [PATCH bpf-next 1/3] selftests/bpf: Allow building with extra flags Viktor Malik
2024-10-16 23:17 ` Eduard Zingerman
2024-10-17 7:29 ` Viktor Malik [this message]
2024-10-15 6:54 ` [PATCH bpf-next 2/3] bpftool: Prevent setting duplicate _GNU_SOURCE in Makefile Viktor Malik
2024-10-15 10:03 ` Quentin Monnet
2024-10-15 10:17 ` Viktor Malik
2024-10-16 20:34 ` Andrii Nakryiko
2024-10-17 6:08 ` Viktor Malik
2024-10-15 6:54 ` [PATCH bpf-next 3/3] selftests/bpf: Allow ignoring some flags for Clang builds Viktor Malik
2024-10-16 20:37 ` Andrii Nakryiko
2024-10-16 22:18 ` Eduard Zingerman
2024-10-17 8:34 ` Viktor Malik
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