diff -Naur boxes-1.0.1-orig/src/lexer.l boxes-1.0.1/src/lexer.l
--- boxes-1.0.1-orig/src/lexer.l	2006-07-02 20:39:46.000000000 -0600
+++ boxes-1.0.1/src/lexer.l	2006-07-02 20:47:06.000000000 -0600
@@ -116,7 +116,6 @@
     "$Id: boxes-1.0.1-flex.patch,v 1.1 2007/01/18 00:04:20 dirtyepic Exp $";
 
 
-int yylineno = 1;
 static int yyerrcnt = 0;
 
 static char sdel = '\"';
@@ -138,6 +137,7 @@
 %option noyywrap
 %option never-interactive
 %option caseless
+%option noyylineno
 
 
 %x SAMPLE
@@ -468,7 +468,7 @@
         exit (EXIT_FAILURE);
     }
     yy_delete_buffer (YY_CURRENT_BUFFER);
-    YY_CURRENT_BUFFER = yy_create_buffer (yyin, sinf.st_size+10);
+    yy_switch_to_buffer (yy_create_buffer (yyin, sinf.st_size+10));
 }