From: Roger Shimizu <rogershimizu@gmail.com>
Date: Thu, 10 Sep 2015 22:19:10 +0900
Subject: fix a redefined "YYDEBUG" warning of gcc for the code generated by
 bison/flex

Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
---
 cftoken.l | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cftoken.l b/cftoken.l
index f480406..e307357 100644
--- a/cftoken.l
+++ b/cftoken.l
@@ -72,6 +72,9 @@ static int yy_first_time = 1;
 static int yyerrorcount = 0;
  
 #ifndef NOCONFIG_DEBUG
+#ifdef YYDEBUG
+#undef YYDEBUG
+#endif
 #define YYDEBUG 1
 
 int cfdebug = 1;