+if test "$opt_purify" = yes; then
+ PURIFY="purify"
+else
+ PURIFY=
+fi
+
+dnl option parsing for optional features
+opt_multibyte=yes
+opt_static_libs=yes
+opt_shared_libs=no
+
+AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
+dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
+AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
+
+if test $opt_multibyte = no; then
+AC_DEFINE(NO_MULTIBYTE_SUPPORT)
+fi
+
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+
+dnl Note that host and target machine are the same, and different than the
+dnl build machine.
+
+CROSS_COMPILE=
+if test "x$cross_compiling" = "xyes"; then
+ case "${host}" in
+ *-cygwin*)
+ cross_cache=${srcdir}/cross-build/cygwin.cache
+ ;;
+ *-mingw*)
+ cross_cache=${srcdir}/cross-build/mingw.cache
+ ;;
+ i[[3456]]86-*-beos*)
+ cross_cache=${srcdir}/cross-build/x86-beos.cache
+ ;;
+ *) echo "configure: cross-compiling for $host is not supported" >&2
+ ;;
+ esac
+ if test -n "${cross_cache}" && test -r "${cross_cache}"; then
+ echo "loading cross-build cache file ${cross_cache}"
+ . ${cross_cache}
+ fi
+ unset cross_cache
+ CROSS_COMPILE='-DCROSS_COMPILING'
+ AC_SUBST(CROSS_COMPILE)
+fi
+
+echo ""
+echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
+echo ""
+