The definition in this IoctlFlags.rb wont be generated - The output file is empty. 1. Under this error condition there should be no output file at all. 2. Where is the bug? (I dont know who is responsable fot his ;-). [IoctlFlags.rb.txt](https://github.com/jnr/jnr-constants/files/1865288/IoctlFlags.rb.txt) Arne