Treat %debug as %define debug.

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 2c6024c68a03696e419c5b4d27d92e2007ee9443..c02ecf2d9bc453bc9a41d30ee3ae4095cdd67cba 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -192,7 +192,7 @@ m4_if(b4_prefix, [yy], [],
 
 /* Enabling traces.  */
 #ifndef YYDEBUG
-# define YYDEBUG ]b4_debug_flag[
+# define YYDEBUG ]b4_debug_if([1], [0])[
 #endif
 
 /* Enabling verbose error messages.  */