[PATCH 2/3] tools/thermal: tmon: allow $(CC) to be defined externally

[Markus Mayer]

From: Markus Mayer <mmayer@xxxxxxxxxxxx>

It can be helpful, especially when using a build system, to set the C
compiler externally.

Signed-off-by: Markus Mayer <mmayer@xxxxxxxxxxxx>
---
 tools/thermal/tmon/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 5777bc7..581da71 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -8,7 +8,7 @@ WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-
 CFLAGS+= -O1 ${WARNFLAGS}
 # Add "-fstack-protector" only if toolchain supports it.
 CFLAGS+= $(call cc-option,-fstack-protector)
-CC=$(CROSS_COMPILE)gcc
+CC?= $(CROSS_COMPILE)gcc
 
 CFLAGS+=-D VERSION=\"$(VERSION)\"
 LDFLAGS+=
-- 
2.7.4