tools/thermal: tmon: support cross-compiling

We might want to prepare CFLAGS outside of this Makefile, so don't
overwrite its initial value.

Then, support $(CROSS_COMPILE), so we can use a cross-compile toolchain.

Signed-off-by: Brian Norris <[email protected]>
Acked-by: Jacob Pan <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: Zhang Rui <[email protected]>

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index e775adcbd29fdd3c0fccb66a09efc86e1fd95216..13d1876c7889916e9d11ef791cd571706c107880 100644 (file)
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -2,8 +2,8 @@ VERSION = 1.0
 
 BINDIR=usr/bin
 WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
-CFLAGS= -O1 ${WARNFLAGS} -fstack-protector
-CC=gcc
+CFLAGS+= -O1 ${WARNFLAGS} -fstack-protector
+CC=$(CROSS_COMPILE)gcc
 
 CFLAGS+=-D VERSION=\"$(VERSION)\"
 LDFLAGS+=