diff --git a/genex/genex.h b/genex/genex.h
new file mode 100644
index 0000000..9ccfdab
--- /dev/null
+++ b/genex/genex.h
@@ -0,0 +1,17 @@
+/*
+ * genex.h - Generate expanded component view
+ *
+ * Copyright 2012 by Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef GENEX_H
+#define	GENEX_H
+
+extern int quiet;
+
+#endif /* !GENEX_H */