FreeBSD
From GnuCash
Information on FreeBSD's GnuCash2 source, port, and packages.
Port
GnuCash 2.X is now in ports finance/gnucash
http://www.freebsd.org/cgi/ports.cgi?query=gnucash&stype=all
AQBanking & HBCI support is currently disabled until the dependency packages get updated.
Open PR's and FreeBSD specific problems
If your experiencing a problem that you think is FreeBSD related, check to see if someone has already filed a PR. Open Gnucash PR's
If you don't see your problem there feel free to report it.