linux-kernel - [tip:perf/urgent] tools gpio: Allow overriding CFLAGS

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Date:   Thu, 3 Jan 2019 05:21:49 -0800
From:   tip-bot for Jiri Olsa <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jolsa@...nel.org, mingo@...nel.org, tglx@...utronix.de,
        andriy.shevchenko@...ux.intel.com, jic23@...nel.org,
        lars@...afoo.de, acme@...hat.com, herton@...hat.com,
        linux-kernel@...r.kernel.org, hpa@...or.com, knaack.h@....de
Subject: [tip:perf/urgent] tools gpio: Allow overriding CFLAGS

Commit-ID:  4ccc98a48958da9f89beb71c66a4e05468727951
Gitweb:     https://git.kernel.org/tip/4ccc98a48958da9f89beb71c66a4e05468727951
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Wed, 12 Dec 2018 11:25:37 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 28 Dec 2018 16:33:08 -0300

tools gpio: Allow overriding CFLAGS

So that the user can specify outside CFLAGS values.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Hartmut Knaack <knaack.h@....de> <knaack.h@....de>
Cc: Herton Krzesinski <herton@...hat.com>
Cc: Jonathan Cameron <jic23@...nel.org>
Cc: Lars-Peter Clausen <lars@...afoo.de>
Link: http://lkml.kernel.org/r/20181212102537.25902-7-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/gpio/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 240eda014b37..6ecdd1067826 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -12,7 +12,7 @@ endif
 # (this improves performance and avoids hard-to-debug behaviour);
 MAKEFLAGS += -r
 
-CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
+override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
 
 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))