Errors while installing openconnect server

[Savitha M]

Hi,

I am getting below error while installing openconnect server.

../libipc.a(ipc.pb-c.o): In function `sec_auth_session_reply_msg__free_unpacked'
:
/usr/src/ocserv/src/ipc.pb-c.c:868: undefined reference to `protobuf_c_message_f
ree_unpacked'
../libipc.a(ipc.pb-c.o): In function `sec_refresh_cookie_key__get_packed_size':
/usr/src/ocserv/src/ipc.pb-c.c:880: undefined reference to `protobuf_c_message_g
et_packed_size'
../libipc.a(ipc.pb-c.o): In function `sec_refresh_cookie_key__pack':
/usr/src/ocserv/src/ipc.pb-c.c:887: undefined reference to `protobuf_c_message_p
ack'
../libipc.a(ipc.pb-c.o): In function `sec_refresh_cookie_key__pack_to_buffer':
/usr/src/ocserv/src/ipc.pb-c.c:894: undefined reference to `protobuf_c_message_p
ack_to_buffer'
../libipc.a(ipc.pb-c.o): In function `sec_refresh_cookie_key__unpack':
/usr/src/ocserv/src/ipc.pb-c.c:902: undefined reference to `protobuf_c_message_u
npack'
../libipc.a(ipc.pb-c.o): In function `sec_refresh_cookie_key__free_unpacked':
/usr/src/ocserv/src/ipc.pb-c.c:911: undefined reference to `protobuf_c_message_f
ree_unpacked'


Also protobuf library was installed using sudo apt-get install
libprotobuf-c0-dev protobuf-c-compiler.

Is is the order in the makefile creating the problem?  

-Rgds
Savitha M