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-rw-r--r--src/glsl/glcpp/glcpp-lex.l1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/glcpp/glcpp-lex.l b/src/glsl/glcpp/glcpp-lex.l
index fa628913540..1cd95b238d2 100644
--- a/src/glsl/glcpp/glcpp-lex.l
+++ b/src/glsl/glcpp/glcpp-lex.l
@@ -50,6 +50,7 @@ void glcpp_set_column (int column_no , yyscan_t yyscanner);
%option extra-type="glcpp_parser_t *"
%option prefix="glcpp_"
%option stack
+%option never-interactive
%x DONE COMMENT UNREACHABLE