Avoid warnings about unused scanner functions.

We don't use input or unput in the scanner, so we can define some
macros to disable them which avoids some compiler warnings.

diff --git a/src/scan.l b/src/scan.l
index 8a6572ef2444d267ff565b58a402804b5c969b94..29dd33da4374060ea6a9428e7e297a34e0ee6190 100644 (file)
--- a/src/scan.l
+++ b/src/scan.l
@@ -19,6 +19,9 @@
 
 #include <config.h>
 #include "parse.h"
+
+#define YY_NO_INPUT 1
+#define YY_NO_UNPUT 1
 }
 
 %option nodefault noyywrap bison-locations reentrant never-interactive