diff --git a/Makefile b/Makefile
index 40d154e..ce6117d 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ SVC_DIR:=$(BUILD_DIR)/service
 # to depend on whether "main" in appinfo.json specifies a binary or script.
 IPK:=$(APP_ID)_$(VERSION)_all.ipk
 
-CROSS_COMPILE:=/opt/arm-webos-linux-gnueabi_sdk-buildroot/bin/arm-webos-linux-gnueabi-
+CROSS_COMPILE?=/opt/arm-webos-linux-gnueabi_sdk-buildroot/bin/arm-webos-linux-gnueabi-
 CC=$(CROSS_COMPILE)gcc
 
 CFLAGS:=-pipe -std=gnu17 -Wall -Wextra -Og -ggdb -feliminate-unused-debug-types \