From 8b5b6a8abf98281371a0130367ccf9a643c568c8 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 28 Aug 2017 11:11:17 -0700
Subject: [PATCH] glsl: define YY_NO_INPUT to prevent unused symbol warnings

Otherwise clang warns:

glsl/glsl_lexer.cpp:3507:16: warning: function 'yyinput' is not needed
and will not be emitted [-Wunneeded-internal-declaration]
    static int yyinput (yyscan_t yyscanner)
               ^

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
---
 src/compiler/glsl/glsl_lexer.ll | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/glsl/glsl_lexer.ll b/src/compiler/glsl/glsl_lexer.ll
index d4d7ada1b1f..7c41455d985 100644
--- a/src/compiler/glsl/glsl_lexer.ll
+++ b/src/compiler/glsl/glsl_lexer.ll
@@ -34,6 +34,7 @@ static int classify_identifier(struct _mesa_glsl_parse_state *, const char *);
 #define YY_NO_UNISTD_H
 #endif
 
+#define YY_NO_INPUT
 #define YY_USER_ACTION						\
    do {								\
       yylloc->first_column = yycolumn + 1;			\
-- 
2.30.2