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 2C30D340D9A; Tue, 2 Jun 2026 14:42:06 +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=1780411328; cv=none; b=rCFvopGupgAfX1zniSfe9wtQ9Hz7TwFodCYFfsYQZZtUHgmOZAGebexgrZK/c2XAlbnalk1ImwAUU/i7hdv2tesKmsXSaVoHbVVD1FbO7z3mYp79h/ufpqXEEoOkaN6qCIYWE3kd/CYfjfWEsqdG9omhX/nvJ8T/TiL1TuTcs9c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780411328; c=relaxed/simple; bh=htZbWwa5Gdk7tv9jGCiKr3dJMcl5OIZKDDrOhcVl33k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FQXc1jiHERunX3Y3dinEUCrmYMfH0ByLroVW9vt+ycEhIv7dzz7RHdywQ3fzpBsqh+V/5sRvBXDhitlu9HnU2Ku0Fx20N7kcz8qAqf7dFDzGJQWXI5loHR5oLpFubHnMr0QNtEQTDQ6KoU0ImAyDkIZZGDQPeo4zRxsMu7btOLk= 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; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=Wo1bxRSJ; 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="Wo1bxRSJ" 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 8A56E3574; Tue, 2 Jun 2026 07:42:01 -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 8D48C3F632; Tue, 2 Jun 2026 07:41:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1780411326; bh=htZbWwa5Gdk7tv9jGCiKr3dJMcl5OIZKDDrOhcVl33k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Wo1bxRSJ8A1ZTr3nZgklb9IdyE0N2hVdaXzxUtV+5sxKRxQhkVMxHL/nEusJy5811 hadgTDlnWr0jnm+GVJKHkX5U/THcs3P7glyVuvOn1oE/aMfV5pNTlbK+CgvB14cuDU ojasDevFtC/MaNw2HKQJcOLSmER8QOck0oYANsTE= From: Leo Yan Date: Tue, 02 Jun 2026 15:40:42 +0100 Subject: [PATCH v7 08/23] tools build: Append extra host CFLAGS for fixdep 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: 7bit Message-Id: <20260602-tools_build_fix_zero_init-v7-8-631baf679fe7@arm.com> References: <20260602-tools_build_fix_zero_init-v7-0-631baf679fe7@arm.com> In-Reply-To: <20260602-tools_build_fix_zero_init-v7-0-631baf679fe7@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, linux-perf-users@vger.kernel.org, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780411243; l=1426; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=htZbWwa5Gdk7tv9jGCiKr3dJMcl5OIZKDDrOhcVl33k=; b=+SWSpV9Rwitfnqj+GmuN+VKrOJrZAfwEWYCitXYiw3Ni+mA9aBPD87WK9S42cT6GcW36bEccJ QlXK15fFrVEA3qiCR0a/b8kB0NPhQYylqYanzeTJ/ewZpuodn6pLBLt X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= tools/scripts/Makefile.include can add host compiler options through HOST_EXTRACFLAGS. Make sure the tools build uses those flags when building fixdep. Create a local HOST_CFLAGS variable from KBUILD_HOSTCFLAGS and HOST_EXTRACFLAGS, and pass it to the fixdep build. Signed-off-by: Leo Yan --- tools/build/Makefile | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/build/Makefile b/tools/build/Makefile index 3a5a3808ab2a1dedd40f35ea322913e8a0788130..2761f80df7611c4731ef1d4529cae7dfe279bad0 100644 --- a/tools/build/Makefile +++ b/tools/build/Makefile @@ -40,18 +40,20 @@ endif FIXDEP := $(OUTPUT)fixdep FIXDEP_IN := $(OUTPUT)fixdep-in.o +HOST_CFLAGS := $(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) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)"; \ + $(MAKE) $(build)=fixdep HOSTCFLAGS="$(HOST_CFLAGS)"; \ rm -f $(FIXDEP).o; \ fi - $(Q)$(MAKE) $(build)=fixdep HOSTCFLAGS="$(KBUILD_HOSTCFLAGS)" + $(Q)$(MAKE) $(build)=fixdep HOSTCFLAGS="$(HOST_CFLAGS)" $(FIXDEP): $(FIXDEP_IN) - $(QUIET_LINK)$(HOSTCC) $(FIXDEP_IN) $(KBUILD_HOSTLDFLAGS) -o $@ + $(QUIET_LINK)$(HOSTCC) $(FIXDEP_IN) $(HOST_CFLAGS) -o $@ FORCE: -- 2.34.1