diff -ru bc-1.06/bc/load.c bc-1.06-new/bc/load.c
--- bc-1.06/bc/load.c	2000-09-13 20:22:38.000000000 +0200
+++ bc-1.06-new/bc/load.c	2004-05-01 14:25:08.164146592 +0200
@@ -34,7 +34,7 @@
 
 /* Load variables. */
 
-program_counter load_adr;
+static program_counter load_adr;
 char load_str;
 char load_const;
 
diff -ru bc-1.06/bc/scan.l bc-1.06-new/bc/scan.l
--- bc-1.06/bc/scan.l	2000-09-13 20:25:47.000000000 +0200
+++ bc-1.06-new/bc/scan.l	2004-05-01 14:21:02.765452864 +0200
@@ -143,7 +143,6 @@
 
 /* Definitions for readline access. */
 extern FILE *rl_instream;
-_PROTOTYPE(char *readline, (char *));
 
 /* rl_input puts upto MAX characters into BUF with the number put in
    BUF placed in *RESULT.  If the yy input file is the same as
diff -ru bc-1.06/configure bc-1.06-new/configure
--- bc-1.06/configure	2000-10-03 20:34:24.000000000 +0200
+++ bc-1.06-new/configure	2004-05-01 14:21:27.159744368 +0200
@@ -2245,7 +2245,7 @@
 
 
 if test "$LEX" = "flex" ; then
- LEX="flex -I8"
+ LEX="flex -I"
 else
  if test "$bcrl" = "y" ; then
   echo "configure: warning: readline works only with flex." 1>&2
diff -ru bc-1.06/lib/number.c bc-1.06-new/lib/number.c
--- bc-1.06/lib/number.c	2000-10-03 20:34:25.000000000 +0200
+++ bc-1.06-new/lib/number.c	2004-05-01 14:24:41.028271872 +0200
@@ -30,6 +30,7 @@
 *************************************************************************/
 
 #include <stdio.h>
+#include <string.h>
 #include <config.h>
 #include <number.h>
 #include <assert.h>