1 files changed, 2 insertions, 0 deletions
diff --git a/ld/ldlex.l b/ld/ldlex.l
index 70059e1..ea6fa99 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -65,6 +65,8 @@ const char *lex_string = NULL;
 #undef YY_INPUT
 #define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size)
 
+#define YY_NO_UNPUT
+
 #define MAX_INCLUDE_DEPTH 10
 static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
 static const char *file_name_stack[MAX_INCLUDE_DEPTH];