Ok.. suggest breaking this down into smaller pieces.  

Just plug in your antminers (which are generally pretty well behaved) and run with a line like:

./bfgminer -S antminer:all --set-device antminer:clock=x0981 -o

And lets see what happens.  That speed is pretty much the normal limit pre-mod, let make sure they all show up at that point.

Oh, and please let us know the exact line your using (shy your pool info) and exact errors your seeing.  Since you did a clone, I'm presuming your have 3.10.0 code.