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)
^
---
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 d4d7ada1b1..7c41455d98 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; \
--
2.13.5
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