--- src/lex.yy.c.orig	2007-08-27 06:05:10.000000000 +0800
+++ src/lex.yy.c	2007-08-27 06:05:46.000000000 +0800
@@ -8,7 +8,7 @@
 #if defined(__FreeBSD__)
 #include <sys/cdefs.h>
 #else
-#define __unused
+#define __my_unused
 #endif
 
 #define FLEX_SCANNER
@@ -247,7 +247,7 @@
 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 
 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
-static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )) __unused;
+static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )) __my_unused;
 static void yy_flex_free YY_PROTO(( void * ));
 
 #define yy_new_buffer yy_create_buffer