I downloaded per the hobbit installation instructions, I verified package dependencies for rrdtool etc before installing them, however, I get this error message while building hobbit:

Undefined                       first referenced
symbol                             in file
ldap_start_tls_s                    ldaptest.o
ld: fatal: Symbol referencing errors. No output written to bbtest-net
collect2: ld returned 1 exit status
make[1]: *** [bbtest-net] Error 1
make[1]: Leaving directory `/usr/local/hobbit-4.2.0/bbnet'
make: *** [bbnet-build] Error 2