--- ./configure.in	2000-07-08 01:34:09.000000000 +0200
+++ ./configure.in	2004-08-19 12:36:16.000000000 +0200
@@ -68,7 +68,7 @@
 ])
 
 if test "$LEX" = "flex" ; then
- LEX="flex -I8"
+ LEX="flex -I -8"
 else
  if test "$bcrl" = "y" ; then
   AC_MSG_WARN(readline works only with flex.)