Since we're depending on %option noyywrap in the main scanner now,

we may as well use it in all our flex files.  Make all the flex files
have a consistent set of options.

src/backend/utils/misc/guc-file.l

@@ -4,7 +4,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc-file.l,v 1.12 2002/05/17 01:19:18 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc-file.l,v 1.13 2002/07/30 16:33:08 tgl Exp $
  */
 
 %{
@@ -38,18 +38,19 @@ enum {
 	GUC_ERROR = 100
 };
 
-#if defined(yywrap)
-#undef yywrap
-#endif /* yywrap */
-
 #define YY_USER_INIT (ConfigFileLineno = 1)
-#define YY_NO_UNPUT
 
 /* prototype, so compiler is happy with our high warnings setting */
 int GUC_yylex(void);
 char *GUC_scanstr(char *);
 %}
 
+%option 8bit
+%option never-interactive
+%option nounput
+%option noyywrap
+
+
 SIGN            ("-"|"+")
 DIGIT           [0-9]
 HEXDIGIT        [0-9a-fA-F]
@@ -271,12 +272,6 @@ ProcessConfigFile(GucContext context)
 
 
 
-int
-yywrap(void)
-{
-	return 1;
-}
-
 /* ----------------
  *		scanstr
  *