Openwrt 19.07- strongswan- shows no options

I am building a custom firmware and trying to configure strongswan. However, I can see only 'strongswan' option under Network->VPN make menuconfig menu.
I saw to Makefile and I can see all other options are written there.
E.g. in Openwrt 18, so many configurable options were available.
-- strongswan...................................................│ │
│ │ -
- strongswan-charon................... StrongSwan IKEv1/IKEv2 k│ │
│ │ < > strongswan-charon-cmd...................... StrongSwan charon│ │
│ │ <> strongswan-default.................................. StrongSw│ │
│ │ -
- strongswan-ipsec.................................... StrongSw│ │
│ │ < > strongswan-isakmp.................................... StrongS│ │
│ │ -*- strongswan-libtls...................................... Stron│ │
│ │ < > strongswan-minimal.................................. StrongSw│ │
│ │ < > strongswan-mod-addrblock │

Is there anything one needs to do to see other options for Strongswan in Openwrt 19?

Thanks in advance,
Aashish Kulkarni