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}/ export CROSS_COMPILE TOOLCHAIN_LIBS LIB_INCLUDE_DIR TOOLCHAIN_CFLAGS