AC_DEFINE_UNQUOTED([HOST_OS],["$host_os"], [OS of Build System])
AC_DEFINE_UNQUOTED([HOST_CPU],["$host_cpu"], [CPU of Build System])
AC_DEFINE_UNQUOTED([HOST_OS],["$host_os"], [OS of Build System])
AC_DEFINE_UNQUOTED([HOST_CPU],["$host_cpu"], [CPU of Build System])