AC_CHECK_FUNC_EXT(krb5_enctypes_compatible_keys, $KRB5_LIBS)
AC_CHECK_FUNC_EXT(krb5_get_error_string, $KRB5_LIBS)
AC_CHECK_FUNC_EXT(krb5_free_error_string, $KRB5_LIBS)
+ AC_CHECK_FUNC_EXT(krb5_initlog, $KRB5_LIBS)
+ AC_CHECK_FUNC_EXT(krb5_freelog, $KRB5_LIBS)
+ AC_CHECK_FUNC_EXT(krb5_addlog_func, $KRB5_LIBS)
LIBS="$LIBS $KRB5_LIBS"