set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR AARCH64)

if(MINGW OR CYGWIN OR WIN32)
  set(UTIL_SEARCH_CMD where)
elseif(UNIX OR APPLE)
  set(UTIL_SEARCH_CMD which)
endif()

set(TOOLCHAIN_PREFIX aarch64-linux-gnu-)

execute_process(
  COMMAND ${UTIL_SEARCH_CMD} ${TOOLCHAIN_PREFIX}gcc
  OUTPUT_VARIABLE BINUTILS_PATH
  OUTPUT_STRIP_TRAILING_WHITESPACE
  )

get_filename_component(ARM_TOOLCHAIN_DIR ${BINUTILS_PATH} DIRECTORY)

set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}gcc)
set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}g++)

set(CMAKE_OBJCOPY ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}objcopy CACHE INTERNAL "objcopy tool")
set(CMAKE_SIZE_UTIL ${ARM_TOOLCHAIN_DIR}/${TOOLCHAIN_PREFIX}size CACHE INTERNAL "size tool")

set(CMAKE_FIND_ROOT_PATH ${BINUTILS_PATH})

set(CMAKE_CROSSCOMPILiING_EMULATOR qemu-aarch64)
