FreeBSD and jackd

[Mmacfarlyn]

has anyone yet to run into this issue?
 
:555:->uname -a
FreeBSD disgrace 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Sun Aug 21 14:19:30 EDT 201
1     root at disgrace:/usr/obj/usr/src/sys/disgrace  i386
:556:->jackd -d alsa
jackd 0.121.3
Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn and oth
ers.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
 
could not open driver .so '/usr/local/lib/jack/jack_alsa_midi.so': /usr/local/li
b/jack/jack_alsa_midi.so: Undefined symbol "clock_nanosleep"
 
could not open driver .so '/usr/local/lib/jack/jack_alsa.so': /usr/local/lib/jac
k/jack_alsa.so: Undefined symbol "clock_nanosleep"
 
jackd: unknown driver 'alsa'

Does FreeBSD not support ALSA?