Recent net/liblinphone fails to build on recent CURRENT, both via /usr/ports and make as well as via poudriere (CURRENT r346854 and 12-STABLE jails):

[...]
linphone_core_is_network_reachable:
        Return value is not documented

Structure with no associated typedef: _LinphoneAccountCreator
Structure with no associated typedef: _LinphoneAccountCreatorCbs
Structure with no associated typedef: _LinphoneBuffer
Structure with no associated typedef: _LpConfig
Structure with no associated typedef: _LinphoneContent
Structure with no associated typedef: _LinphoneErrorInfo
Structure with no associated typedef: _LinphoneImEncryptionEngine
Structure with no associated typedef: _LinphoneImEncryptionEngineCbs
Structure with no associated typedef: _LinphoneInfoMessage
[...]
Could not parse linphone_call_get_meta_rtp_transport function: Unknown C type 'RtpTransport'
Could not parse linphone_call_get_meta_rtcp_transport function: Unknown C type 'RtpTransport'
warning: some types could not be fixed in linphone_tunnel_get_servers() function: could not find type in 'LinphoneTunnelConfig'
doc reference pointing on an unknown object (linphone_core_new)
doc reference pointing on an unknown object (linphone_core_invite)
doc reference pointing on an unknown object (linphone_chat_room_send_message)
[...]
could not translate one reference in docstrings (LinphoneCallUpdatedByRemote)
ninja: build stopped: subcommand failed.
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/net/liblinphone