if test "x$cross_compiling" = xyes; then AC_MSG_CHECKING(whether byte ordering is bigendian) AC_ARG_WITH(endian, [ --with-endian=TYPE set endian of target system for cross-compiling. TYPE = little or big.], endian="$withval", ) case "x$endian" in xbig) AC_DEFINE(WORDS_BIGENDIAN) AC_MSG_RESULT(yes) ;; xlittle) AC_MSG_RESULT(no) ;; x) AC_MSG_RESULT(unspecified, use --with-endian={big,little}) exit 1 ;; x*) AC_MSG_RESULT(unrecognized endianness) exit 1 ;; esac else AC_C_BIGENDIAN fi