1 The following FreeBSD ports and packages may be useful:
2 databases/db Berkeley DB2
3 databases/gdbm GNU Database Manager
4 devel/autoconf GNU Autoconf
5 devel/libtool GNU Autoconf
7 lang/egcs EGCS enhanced GNU C Suite
8 security/tcp_wrappers TCP Wrappers
13 FreeBSD 2.2.5 (and prior?)
14 requires --without-yielding-select or --without-threads