AC_MSG_CHECKING(if we need to talk to broken timsieved's)
AC_ARG_ENABLE(broken-timsieved-workaround,
[AC_HELP_STRING([--enable-broken-timsieved-workaround],
                [versions <= 1.1.0 of the timsieved (part of the Cyrus
		IMAP suite) do not interpret the HAVESPACE command of
		the sieve protocol. This option makes the sieve
		TDEIO::Slave simply omit that command.])],
[case "${enableval}" in
      yes) AC_MSG_RESULT(yes)
	   need_broken_timsieved_support="yes" ;;
      no) AC_MSG_RESULT(no) ;;
      *) AC_MSG_ERROR([bad value ${enableval} for --enable-broken-timsieved-workaround]) ;;
esac],[AC_MSG_RESULT(no)])

if test "$need_broken_timsieved_support" = "yes"; then
   AC_SUBST(HAVE_BROKEN_TIMSIEVED)
   AC_DEFINE(HAVE_BROKEN_TIMSIEVED,1,[Define if the sieve TDEIO::Slave must be able to talk to timsieved <= 1.1.0])
fi