arm)
	AC_MSG_CHECKING([windowing system])
	case "$host_os" in
		darwin*)
    		AC_DEFINE(C_TARGETCPU,ARMV8LE)
   	 	AC_MSG_RESULT(ARMv8 Little Endian 64-bit)
    		c_targetcpu="arm"
    		c_unalignedmemory=yes
	esac
    ;;