See https://bugzilla.gnome.org/show_bug.cgi?id=706462

Subject: [PATCH] Make grammar.y work with Bison 3

YYLEX_PARAM is no longer supported in Bison 3.
---
 gst/parse/grammar.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gst/parse/grammar.y b/gst/parse/grammar.y
index 8a9019c..f533389 100644
--- a/gst/parse/grammar.y
+++ b/gst/parse/grammar.y
@@ -26,7 +26,6 @@
  */
 
 #define YYERROR_VERBOSE 1
-#define YYLEX_PARAM scanner
 
 #define YYENABLE_NLS 0
 
@@ -659,6 +658,7 @@ static int yyerror (void *scanner, graph_t *graph, const char *s);
 %right '.'
 %left '!' '='
 
+%lex-param { void *scanner }
 %parse-param { void *scanner }
 %parse-param { graph_t *graph }
 %pure-parser
-- 
1.8.3.4