From 68bba88d780d72043f1a954f3dbd12ad39bb5300 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 27 Aug 2023 19:09:57 +0000
Subject: [PATCH] yacc: define dummy yytokname() and yystatname() macros if not
 yydebug

---
 sys/lib/yaccpar | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/sys/lib/yaccpar b/sys/lib/yaccpar
index 79a8d4e01..10a1219b2 100644
--- a/sys/lib/yaccpar
+++ b/sys/lib/yaccpar
@@ -4,19 +4,6 @@
 
 #ifdef	yydebug
 #include	"y.debug"
-#else
-#define	yydebug		0
-char*	yytoknames[1];		/* for debugging */
-char*	yystates[1];		/* for debugging */
-#endif
-
-/*	parser for yacc output	*/
-
-int	yynerrs = 0;		/* number of errors */
-int	yyerrflag = 0;		/* error recovery flag */
-
-extern	int	fprint(int, char*, ...);
-extern	int	sprint(char*, char*, ...);
 
 char*
 yytokname(int yyc)
@@ -41,6 +28,17 @@ yystatname(int yys)
 	sprint(x, "<%d>\n", yys);
 	return x;
 }
+#else
+#define	yydebug		0
+#define yytokname(x)	""
+#define yystatname(x)	""
+#endif
+
+/*	parser for yacc output	*/
+
+int	yynerrs = 0;		/* number of errors */
+int	yyerrflag = 0;		/* error recovery flag */
+
 
 long
 yylex1(void)