Suricata

In autoconf library projects it is best practice to not install config.h (which we've renamed to autoconf.h). Unfortunately we currently include autoconf.h from suricata-common.h requiring us to install it. Ideally we'd clean this up by Suricata 8. But we do have many headers that depend on defines here, so it might be a non-trivial cleanup.

Tip: Look at how libhtp does this, it follows the best practice, we never did, as an application it wasn't a problem.