+#ARCH ?= $(SUBARCH)
+ARCH ?= arm
+ifneq ($(wildcard ../toolchain/arm-eabi-4.4.3),)
+CROSS_COMPILE ?= ../toolchain/arm-eabi-4.4.3/bin/arm-eabi-
+endif
+ifneq ($(wildcard ../prebuilt/linux-x86/toolchain/arm-eabi-4.4.3),)
+CROSS_COMPILE ?= ../prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin/arm-eabi-
+endif
+ifneq ($(wildcard ../prebuilts/gcc/linux-x86/arm/arm-eabi-4.6),)
+CROSS_COMPILE ?= ../prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/arm-eabi-
+endif