The duplicate definitions stand out clearly in here. I've tried
conditionalizing the clashing definitions in skas_ptrace.h on
_I386_PTRACE_H not being defined, but that falls over deeper into the
build.

I'll try to track it down tomorrow if nobody else has done so.

-- 
`I treat debconf as a hostile imperialist agent.  "ALL CONFIGS YOURS
 NOW CONFIGS OURS ARE."' --- Stephen J. Turnbull