Download waf (http://code.google.com/p/waf/)
-Download autowaf (http://svn.drobilla.net/autowaf)
+autowaf.py is present in the tools directory of the Ardour source code.
From within the waf source tree, run:
-./waf-light -v --make-waf --tools=misc,/path/to/autowaf.py --prelude=''
+./waf-light -v --make-waf --tools=misc,doxygen,/path/to/autowaf.py --prelude=''
cp ./waf /path/to/ardour/3.0/waf