X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f0473484919058092017b7ce857683d73d7853ad..a220f55509520a1a647803657537c0933dc31c09:/src/bison.simple

diff --git a/src/bison.simple b/src/bison.simple
index 67ac9a35..9b627b1c 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -151,6 +151,9 @@ typedef struct yyltype
 
 #ifndef YYERROR_VERBOSE
 # define YYERROR_VERBOSE %%verbose
+#else
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
 #endif
 
 /* Tokens.  */