linux-kernel - [PATCH 3/4] pps: Use subdir-ccflags-* to inherit debug flag

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Message-ID: <1612518255-23052-4-git-send-email-yangyicong@hisilicon.com>
Date:   Fri, 5 Feb 2021 17:44:14 +0800
From:   Yicong Yang <yangyicong@...ilicon.com>
To:     <gregkh@...uxfoundation.org>, <jdelvare@...e.com>,
        <linux@...ck-us.net>, <giometti@...eenne.com>, <abbotti@....co.uk>,
        <hsweeten@...ionengravers.com>, <kw@...ux.com>,
        <helgaas@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <linux-hwmon@...r.kernel.org>,
        <devel@...verdev.osuosl.org>, <linux-kbuild@...r.kernel.org>,
        <masahiroy@...nel.org>, <michal.lkml@...kovi.net>
CC:     <prime.zeng@...wei.com>, <yangyicong@...ilicon.com>,
        <linuxarm@...neuler.org>
Subject: [PATCH 3/4] pps: Use subdir-ccflags-* to inherit debug flag

From: Junhao He <hejunhao2@...ilicon.com>

Use subdir-ccflags-* instead of ccflags-* to inherit the debug
settings from Kconfig when traversing subdirectories.

Suggested-by: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Junhao He <hejunhao2@...ilicon.com>
Signed-off-by: Yicong Yang <yangyicong@...ilicon.com>
---
 drivers/pps/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pps/Makefile b/drivers/pps/Makefile
index ceaf65c..7a2d3f7 100644
--- a/drivers/pps/Makefile
+++ b/drivers/pps/Makefile
@@ -8,4 +8,4 @@ pps_core-$(CONFIG_NTP_PPS)	+= kc.o
 obj-$(CONFIG_PPS)		:= pps_core.o
 obj-y				+= clients/ generators/
 
-ccflags-$(CONFIG_PPS_DEBUG) := -DDEBUG
+subdir-ccflags-$(CONFIG_PPS_DEBUG) := -DDEBUG
-- 
2.8.1