From nobody Mon Apr 6 20:12:44 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 848243A63F2; Wed, 18 Mar 2026 09:18:34 +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=1773825515; cv=none; b=OeTSUFMbpL4R2Yx7P/kgYfFigjt4BD7nySe1va9lpDIUvtYnrRt/FjaaBNvxcXyER9cIC9Ua12yBHDzAqmdyyk1KP2v62Ou43kBsq+XNn0HmP3JaUZxWFpxz10BU/sF6tdHbKSGOaMvc/LQSqzMxm/fLGwkrRvYX+NTVqAWMTMU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773825515; c=relaxed/simple; bh=G2cI6gno4ym5dTpFGJCwLPZT6MUzcUe+/hvBAAojmWk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bjBZNVCLMV1nlKedTNh5EzP89YJRmU3NCH2raLmnI/r4vFlvmlHYrWyk9L2AhlAkGs8sd6fHB5IvGS0LUm26jsjWNCV86yrchng//0msj2vjhAG2vZoBDCEM4+ufmTFL91QLDiTeb9Ue2JRRh0WdKOYdImBScxdHdmt6B+y89rg= 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 02F121F37; Wed, 18 Mar 2026 02:18:28 -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 230663F73B; Wed, 18 Mar 2026 02:18:25 -0700 (PDT) From: Leo Yan Date: Wed, 18 Mar 2026 09:16:53 +0000 Subject: [PATCH v5 09/26] tools build: Append extra host cflags 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: <20260318-tools_build_fix_zero_init-v5-9-bbeffd8da199@arm.com> References: <20260318-tools_build_fix_zero_init-v5-0-bbeffd8da199@arm.com> In-Reply-To: <20260318-tools_build_fix_zero_init-v5-0-bbeffd8da199@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=1773825421; l=1108; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=G2cI6gno4ym5dTpFGJCwLPZT6MUzcUe+/hvBAAojmWk=; b=seG0PjkzdDNVsGala65O+1S70R48XtzDJwDLtNyhQAVylJ2TCLKK6WHBZrivpWJYqa0fpGC84 da2K3i00MvTDOo4GoQbfeyyjggGtDMEDmp0b53lEAxAgxD5zX2M9pIl X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= Append HOST_EXTRACFLAGS to HOSTCFLAGS so that additional flags can be applied to the host compiler. Signed-off-by: Leo Yan --- tools/build/Makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/build/Makefile b/tools/build/Makefile index 3a5a3808ab2a1dedd40f35ea322913e8a0788130..44e50a7c182484e18ff80f4205c= 49a77e8c8abd9 100644 --- a/tools/build/Makefile +++ b/tools/build/Makefile @@ -40,14 +40,16 @@ endif FIXDEP :=3D $(OUTPUT)fixdep FIXDEP_IN :=3D $(OUTPUT)fixdep-in.o =20 +HOSTCFLAGS :=3D $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) + # To track fixdep's dependencies properly, fixdep needs to run on itself. # Build it twice the first time. $(FIXDEP_IN): FORCE $(Q)if [ ! -f $(FIXDEP) ]; then \ - $(MAKE) $(build)=3Dfixdep HOSTCFLAGS=3D"$(KBUILD_HOSTCFLAGS)"; \ + $(MAKE) $(build)=3Dfixdep HOSTCFLAGS=3D"$(HOSTCFLAGS)"; \ rm -f $(FIXDEP).o; \ fi - $(Q)$(MAKE) $(build)=3Dfixdep HOSTCFLAGS=3D"$(KBUILD_HOSTCFLAGS)" + $(Q)$(MAKE) $(build)=3Dfixdep HOSTCFLAGS=3D"$(HOSTCFLAGS)" =20 =20 $(FIXDEP): $(FIXDEP_IN) --=20 2.34.1