ifndef XTOOLS_TOOLCHAIN_PATH

ifeq ($(CROSS_COMPILE),)
$(error XTOOLS_TOOLCHAIN_PATH is not set)
else
CROSS_COMPILE_TARGET = $(patsubst %-,%,${CROSS_COMPILE})
CROSS_COMPILE_ROOT = $(dir $(shell which ${CROSS_COMPILE}gcc))/..
endif

else

CROSS_COMPILE_TARGET_arm = arm-none-eabi
CROSS_COMPILE_TARGET_x86 = i586-pc-elf

CROSS_COMPILE_TARGET = ${CROSS_COMPILE_TARGET_${ARCH}}
CROSS_COMPILE_ROOT = ${XTOOLS_TOOLCHAIN_PATH}/${CROSS_COMPILE_TARGET}
CROSS_COMPILE = ${CROSS_COMPILE_ROOT}/bin/${CROSS_COMPILE_TARGET}-

endif

TOOLCHAIN_CFLAGS = -I${CROSS_COMPILE_ROOT}/${CROSS_COMPILE_TARGET}/sysroot/usr/include
TOOLCHAIN_LIBS = gcc

CROSS_COMPILE_version = $(shell $(CROSS_COMPILE)gcc -dumpversion)
LIB_INCLUDE_DIR += -L ${CROSS_COMPILE_ROOT}/lib/gcc/${CROSS_COMPILE_TARGET}/${CROSS_COMPILE_version}/

DTC ?= dtc

export CROSS_COMPILE TOOLCHAIN_LIBS LIB_INCLUDE_DIR TOOLCHAIN_CFLAGS