I want to ask something about output format (JSON)

[idealphase]

I installed passivedns and do follow step in doc folder
and I want to use passivedns to make JSON output format So I try to used -j and -J
and get these message , Anyone have got my problem? Thank you for reading my problem

$ sudo ./passivedns -j -J
Did not recognize argument 'j'
Did not recognize argument 'J'

[] PassiveDNS 1.2.1
[] By Edward Bjarte Fjellskål [e-mail]
[] Using libpcap version 1.8.1 -- Apple version 67.60.1
[] Using ldns version 1.7.0
[] Device: en0
[] Sniffing...

[idealphase]

I've got a solution
when you install passivedns if you want to use JSON output format use this command $ ./configure --enable-json instead of ./configure