Binding generates empty file for libalpm

[shanoaice]

I was trying to generate C# bindings for libalpm (a C library), that should be installed on the system and that the header lives in /usr/include. I used the regular method and just do module.Headers.Add("alpm.h"), but when I run the generation it says "Removing module libalpm because no translation units are generated...". I tried to un-mark the header as system include in preprocess but it still don't work.

This is the output log with full verbosity: output.txt