From nobody Thu Apr 9 15:03:41 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B768A3446DE; Sun, 8 Mar 2026 16:47:47 +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=1772988468; cv=none; b=BJul71yeu26ugpVrvN0F7j/nZs2mIcLvxf1sG2WWbsMVIuTyDfJAs32p2OnskvNpWZyt6LP6Rrxj6L+8nAPxE75UyuTWRQIMxNvENgUXuN3pjpont/7kGuE8hwheWh8KeAVXXXo8KARVdf+BpEVJ9sMAbUQEsQW7PfCcnBoo8C4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772988468; c=relaxed/simple; bh=0TpM015mdI0CN+mqigvDg23igDU/tcPA05QcOwRCOOA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=vAaia4I5J9JEa9O2T8wvlpywZ8vka66t+71Gz3sxYKziEYeeff+On/4EgzDaswezpJedZ2RmHAb2Kz8dpiaKrpBfIvpZvnKF4GxScZem4JeBTZXCN5Nw3zynZaq5LLog8HZ3PB+2Vl/fi8kllrbwFYsEIp3wqRfxAjc0rDT2n5Y= 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 247371C01; Sun, 8 Mar 2026 09:47:41 -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 5B1593F694; Sun, 8 Mar 2026 09:47:39 -0700 (PDT) From: Leo Yan Date: Sun, 08 Mar 2026 16:46:14 +0000 Subject: [PATCH v3 09/30] 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: <20260308-tools_build_fix_zero_init-v3-9-6477808123b7@arm.com> References: <20260308-tools_build_fix_zero_init-v3-0-6477808123b7@arm.com> In-Reply-To: <20260308-tools_build_fix_zero_init-v3-0-6477808123b7@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=1772988384; l=1108; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=0TpM015mdI0CN+mqigvDg23igDU/tcPA05QcOwRCOOA=; b=swTxK0Z56AycB2pmoA6AgoqxxXbAFZj98haRr7vI/KYNZOcgT1IVLvI5XP49mZVohMwBujqkS 5hMmpfihkl9Ajy/7wzVREQRCr01qNQ42wrX4SUEfIz74LONLnaWZ/au 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..a86ce3d99e2bb1c005942d9c321= 91e6eaa55cf50 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 $(HOST_EXTRACFLAGS) $(KBUILD_HOSTCFLAGS) + # 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