From b8a0b08a182a89ca29f82ee8508cf61f7ba09f9f Mon Sep 17 00:00:00 2001
From: yui-knk <spiketeika@gmail.com>
Date: Tue, 17 Oct 2023 22:17:11 +0900
Subject: [PATCH] Sync yacc.c to yacc.h

---
 template/bison/yacc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/template/bison/yacc.h b/template/bison/yacc.h
index 04a0beef..7cdeb81d 100644
--- a/template/bison/yacc.h
+++ b/template/bison/yacc.h
@@ -49,7 +49,7 @@
 #ifndef YYDEBUG
 # define YYDEBUG 0
 #endif
-#if YYDEBUG
+#if YYDEBUG && !defined(yydebug)
 extern int yydebug;
 #endif
   <%-# b4_percent_code_get([[requires]]). %code is not supported -%>