--- bc-1.06/configure.flex 2000-10-03 20:34:24.000000000 +0200 +++ bc-1.06/configure 2007-01-10 16:09:35.000000000 +0100 @@ -2245,7 +2245,7 @@ fi if test "$LEX" = "flex" ; then - LEX="flex -I8" + LEX="flex -I -8" else if test "$bcrl" = "y" ; then echo "configure: warning: readline works only with flex." 1>&2 --- bc-1.06/configure.in.flex 2000-07-08 01:34:09.000000000 +0200 +++ bc-1.06/configure.in 2007-01-10 16:09:15.000000000 +0100 @@ -68,7 +68,7 @@ AC_ARG_WITH(readline,[ --with-readline ]) 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.)