ARCH=arm
 CROSS_COMPILE=arm-eabi-
 CROSS_PATH=$(PWD)/../prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin
-CC=$(CROSS_PATH)/$(CROSS_COMPILE)gcc
-LD=$(CROSS_PATH)/$(CROSS_COMPILE)ld
-AR=$(CROSS_PATH)/$(CROSS_COMPILE)ar
 
 obj-m := debounce.o
 
 all:
-       $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules
+       PATH=$(CROSS_PATH):$(PATH) CROSS_COMPILE=$(CROSS_COMPILE) ARCH=$(ARCH) $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) V=1 modules
 
 clean:
-       $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) clean
+       PATH=$(CROSS_PATH):$(PATH) CROSS_COMPILE=$(CROSS_COMPILE) ARCH=$(ARCH) $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) clean