1 files changed, 5 insertions, 0 deletions
diff --git a/lib.c b/lib.c
index 4a94b015..d02025a6 100644
--- a/lib.c
+++ b/lib.c
@@ -1100,9 +1100,14 @@ void create_builtin_stream(void)
 
 static struct symbol_list *sparse_tokenstream(struct token *token)
 {
+	int builtin = token && !token->pos.stream;
+
 	// Preprocess the stream
 	token = preprocess(token);
 
+	if (dump_macro_defs && !builtin)
+		dump_macro_definitions();
+
 	if (preprocess_only) {
 		while (!eof_token(token)) {
 			int prec = 1;