thanks friends, but:

I have cwiid lib up to date : cwiid-0.6.00-12
headers files seems be ok:

[...]
Checking for header cwiid.h                          : yes 
Checking for header bluetooth/bluetooth.h     : yes 
Checking for 'cwiid' >= 0.6.00                       : not found 
The configuration failed
(complete log in /home/paum/AUR/ardour3-svn/src/ardour3-build/build/config.log)
==> ERROR: A failure occurred in build().
    Aborting...


that is what I dont understand..

fero