debugging argus on tun interface

[poncenby smythe]

i'm trying to get argus to collect flow data on a tun interface,  
which is actually a USB adsl modem (speedtouch) plugged into a box  
running openbsd 3.8 generic.

when i execute the argus daemon it simply exits. how do I compile  
argus with debugging enabled?

and which version of argus of argus shall i use? 2.0.6 from the  
website or a development version from the ftp site?

would anyone appreciate the results of this work?

thanks in advance

poncenby