linux-kernel - [PATCH 3/3] tools/thermal: tmon: use $(PKG_CONFIG) instead of hard-coding pkg-config

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Date:   Wed, 27 Sep 2017 16:02:37 -0700
From:   Markus Mayer <code@...yer.net>
To:     Zhang Rui <rui.zhang@...el.com>
Cc:     Markus Mayer <mmayer@...adcom.com>,
        Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>,
        Power Management List <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] tools/thermal: tmon: use $(PKG_CONFIG) instead of hard-coding pkg-config

From: Markus Mayer <mmayer@...adcom.com>

To ease cross-compiling, make use of the $(PKG_CONFIG) variable rather
than hard-coding calls to pkg-config.

Signed-off-by: Markus Mayer <mmayer@...adcom.com>
---
 tools/thermal/tmon/Makefile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 581da71..1e11bd3 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -9,6 +9,7 @@ CFLAGS+= -O1 ${WARNFLAGS}
 # Add "-fstack-protector" only if toolchain supports it.
 CFLAGS+= $(call cc-option,-fstack-protector)
 CC?= $(CROSS_COMPILE)gcc
+PKG_CONFIG?= pkg-config
 
 CFLAGS+=-D VERSION=\"$(VERSION)\"
 LDFLAGS+=
@@ -23,12 +24,12 @@ STATIC := --static
 endif
 
 TMON_LIBS=-lm -lpthread
-TMON_LIBS += $(shell pkg-config --libs $(STATIC) panelw ncursesw 2> /dev/null || \
-		     pkg-config --libs $(STATIC) panel ncurses 2> /dev/null || \
+TMON_LIBS += $(shell $(PKG_CONFIG) --libs $(STATIC) panelw ncursesw 2> /dev/null || \
+		     $(PKG_CONFIG) --libs $(STATIC) panel ncurses 2> /dev/null || \
 		     echo -lpanel -lncurses)
 
-CFLAGS    += $(shell pkg-config --cflags $(STATIC) panelw ncursesw 2> /dev/null || \
-		     pkg-config --cflags $(STATIC) panel ncurses 2> /dev/null)
+CFLAGS    += $(shell $(PKG_CONFIG) --cflags $(STATIC) panelw ncursesw 2> /dev/null || \
+		     $(PKG_CONFIG) --cflags $(STATIC) panel ncurses 2> /dev/null)
 
 OBJS = tmon.o tui.o sysfs.o pid.o
 OBJS +=
-- 
2.7.4