c++ -o conftest -g -O2 -I/usr/local/music/src/ardour/libs/include -I/usr/local/lib/sigc++/include -I/usr/local/include   conftest.C  -L/usr/local/music/src/ardour/libs/lib -L/usr/local/lib -lpbd -lltdl -lsigc -lpthread
