From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 607C63B4E8E; Mon, 23 Mar 2026 15:40:34 +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=1774280435; cv=none; b=qeQWsWBV0wPyp29/kkHrf4VgzKT9/4bL3IBD00kni/QljiSyIuonofMIaTPZQNWV/trjX1H5SU/2K/LkbQwC150V7C1DddOTTlKwK+x/ydlgewnlHrTvAT6XeYBq+60pWYwo/yk3SXk05Wy12nu2+ZWA4x0JYzcFbwCJfq7sXb0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774280435; c=relaxed/simple; bh=RbzWvHVPMM6ZwIg9QOtNftjDOGjDOKJxSvUCxQ4+gxQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Oo70kzFhxZhj65w3TXaEeGLYJ1tmIYN2wA6X8o9OfJH/7ROEvymwja2PlPB0YAOzQeFVpuvLAiuKhmjqoERuA8JiWboUjSKy/rECqdwo1UmTcGbIMY79avH0ki30YvigNkFdeDVf3OW4FJpEJmHLtRbeFHfSQewBQThco1YTUrA= 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 CE48C16A3; Mon, 23 Mar 2026 08:40:27 -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 10FE73F694; Mon, 23 Mar 2026 08:40:29 -0700 (PDT) From: Leo Yan Date: Mon, 23 Mar 2026 15:40:03 +0000 Subject: [PATCH 2/6] bpftool: Append extra host flags Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260323-tools_build_fix_zero_init_bpf_only-v1-2-d1cfad2f4cd1@arm.com> References: <20260323-tools_build_fix_zero_init_bpf_only-v1-0-d1cfad2f4cd1@arm.com> In-Reply-To: <20260323-tools_build_fix_zero_init_bpf_only-v1-0-d1cfad2f4cd1@arm.com> To: Quentin Monnet , 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 , Shuah Khan , Lorenz Bauer , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , James Clark , Kees Cook , bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774280421; l=824; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=RbzWvHVPMM6ZwIg9QOtNftjDOGjDOKJxSvUCxQ4+gxQ=; b=sdT2ls0ptgMiCSYPqtZDxFu3HyRPrJnVyuA366Nciznm01sxzXVqEGNECEp51pVCc0f13Fstc KgdRbMBR8W5CaUO3vwJZ1/VkBIswsbOPkknqKxuxEdNHPaFgA5dW1m0 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 5a14185407a2895ba0167802e555c1113e1991f5..adec4fdf43dab525609d7d378843f5d3ec072213 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 := $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE),\ $(subst $(CLANG_CROSS_FLAGS),,$(CFLAGS))) +HOST_CFLAGS += $(HOST_EXTRACFLAGS) ifneq ($(EXTRA_CFLAGS),) CFLAGS += $(EXTRA_CFLAGS) -- 2.34.1