In your conf, look at where it is writing the log file.
Check if it has written a log and see if it has anything in there.
You might want to increase the debug level with -d9 on the command line as well e.g.
/opt/mt-daapd-svn-1586/src/mt-daapd -d9 -c /etc/mt-daapd.conf
or you could try
/opt/mt-daapd-svn-1586/src/mt-daapd -V
and see if it prints the version to the screen.