diff -ur orig/meta1-1.0.PreAlpha28.0/contrib/milter-regex-parse.y meta1-1.0.PreAlpha28.0/contrib/milter-regex-parse.y
--- orig/meta1-1.0.PreAlpha28.0/contrib/milter-regex-parse.y	2008-01-10 07:21:28.000000000 +0200
+++ meta1-1.0.PreAlpha28.0/contrib/milter-regex-parse.y	2009-05-28 14:01:46.000000000 +0300
@@ -82,7 +82,7 @@
 	} v;
 	int lineno;
 } YYSTYPE;
-
+#define YYSTYPE_IS_DECLARED 1
 %}
 
 %token	ERROR STRING
@@ -493,9 +493,6 @@
 		*r = rs;
 		return (0);
 	}
-#ifdef __linux__
-	(void)&yyrcsid; /* warning about yyrcsid declared but unused */
-#endif
 }
 
 static int
