From nobody Thu Apr 9 05:05:23 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8249A3BED43; Wed, 11 Mar 2026 08:31:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773217869; cv=none; b=e0KZiS8ABvDA9+imtifPuKv1y/MyhbovACWv5yKeWhz4F8DCGHPxsw1tUcGYcFahesTSyq5dBpo5Wg0xM8wXGXNZk4uoPVyBNCxN/bvo1EeMmWZOhIwVvq/LOZlcp2HuCCim1lVsOsUxEIYHVs7KKN03X2y8z3Kojm4HqhRWp20= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773217869; c=relaxed/simple; bh=7+wT4XqOtfZrTnarTeuayBt59FLu6mtAfaIIVesnRow=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QqVFMgUXgENWgMDsj8NXfEfh1DsOjVvZFTUuhIUGnUDJQb8w2UQowQjcvjO8+IcUGlAdYmwEZqE+rkqpFA4HSbzy3Rif2Wsr7IrwrFiGDNey+fD551V7Wo7FANY6vkj4MiXDBlC3PDLZ4SO1s7S+Nr5mtXWZ7hAFsB03wj5ANH0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AB586165C; Wed, 11 Mar 2026 01:31:00 -0700 (PDT) Received: from e132581.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6DE983F73B; Wed, 11 Mar 2026 01:30:59 -0700 (PDT) From: Leo Yan Date: Wed, 11 Mar 2026 08:29:34 +0000 Subject: [PATCH v4 09/30] bpftool: Append extra host flags Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260311-tools_build_fix_zero_init-v4-9-9e35bdb99cb3@arm.com> References: <20260311-tools_build_fix_zero_init-v4-0-9e35bdb99cb3@arm.com> In-Reply-To: <20260311-tools_build_fix_zero_init-v4-0-9e35bdb99cb3@arm.com> To: Arnaldo Carvalho de Melo , Ian Rogers , Namhyung Kim , James Clark , Kees Cook , Quentin Monnet , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Adrian Hunter , Masami Hiramatsu , William Breathitt Gray , Barry Song , Qinxin Xia , Bartosz Golaszewski , Kent Gibson , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Andrew Morton , Willy Tarreau , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= , Josh Poimboeuf , Robert Moore , Len Brown , Srinivas Pandruvada , Tejun Heo , David Vernet , Andrea Righi , Changwoo Min , Mark Brown , Steven Rostedt , Gabriele Monaco , Shuah Khan , Jiri Kosina , Benjamin Tissoires Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773217789; l=824; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=7+wT4XqOtfZrTnarTeuayBt59FLu6mtAfaIIVesnRow=; b=o8V1UhLif7/3n1E41IGWqzeAhSiroao04VGZxLJqJy2NvVXcbmsqlbrQToK6bXTdXNceWPZjR m6EVf8ZLQjJD6CUvd0YQ/ijGoI5EtkzwcxivSCPUWfNCtXgqSAkDWm9 X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= Append HOST_EXTRACFLAGS to HOST_CFLAGS so that additional flags can be applied to the host compiler. Acked-by: Quentin Monnet Signed-off-by: Leo Yan --- tools/bpf/bpftool/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index 3e7d8359e1b2a81a29a47544be8539e3b191a0e8..762fcf0e62a189625053798ddde= af17d409fe248 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -86,6 +86,7 @@ endif # including flags that are not applicable to the host compiler. HOST_CFLAGS :=3D $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE)= ,\ $(subst $(CLANG_CROSS_FLAGS),,$(CFLAGS))) +HOST_CFLAGS +=3D $(HOST_EXTRACFLAGS) =20 ifneq ($(EXTRA_CFLAGS),) CFLAGS +=3D $(EXTRA_CFLAGS) --=20 2.34.1