eca-neteci-server.o: In function `ECA_NETECI_SERVER::launch_server_thread(void*)':
/home/bart/Documents/ecasound-2.3.0/ecasound/../libecasound/eca-logger-interface.h:30: undefi
ned reference to `ECA_LOGGER::instance()'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::run()':
/home/bart/Documents/ecasound-2.3.0/ecasound/../libecasound/eca-logger-interface.h:30: undefi
ned reference to `ECA_LOGGER::instance()'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::run()':
/usr/include/g++/bits/basic_string.h:952: undefined reference to `kvu_numtostr(int)'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::run()':
/home/bart/Documents/ecasound-2.3.0/ecasound/../libecasound/eca-logger-interface.h:30: undefi
ned reference to `ECA_LOGGER::instance()'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::handle_connection(int)':
/home/bart/Documents/ecasound-2.3.0/ecasound/../libecasound/eca-logger-interface.h:30: undefi
ned reference to `ECA_LOGGER::instance()'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::handle_client_messages(ecasound_neteci_s     erver_client*)':
/home/bart/Documents/ecasound-2.3.0/ecasound/eca-neteci-server.cpp:353: undefined reference t     o `kvu_fd_read(int, void*, unsigned, int)'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::handle_eci_command(std::basic_string<cha     r, std::char_traits<char>, std::allocator<char> > const&, ecasound_neteci_server_client*)':
/home/bart/Documents/ecasound-2.3.0/ecasound/eca-neteci-server.cpp:446: undefined reference t     o `ECA_CONTROL::command(std::basic_string<char, std::char_traits<char>, std::allocator<char>      > const&)'
/home/bart/Documents/ecasound-2.3.0/ecasound/eca-neteci-server.cpp:450: undefined reference t     o `ECA_CONTROL::last_value_to_string()'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::handle_eci_command(std::basic_string<cha     r, std::char_traits<char>, std::allocator<char> > const&, ecasound_neteci_server_client*)':
/usr/include/g++/bits/basic_string.h:952: undefined reference to `ECA_CONTROL_BASE::last_type     () const'
/usr/include/g++/bits/basic_string.h:952: undefined reference to `ECA_LOGGER_WELLFORMED::crea     te_wellformed_message(ECA_LOGGER::Msg_level_t, std::basic_string<char, std::char_traits<char>     , std::allocator<char> > const&)'
/usr/include/g++/bits/basic_string.h:781: undefined reference to `kvu_fd_write(int, void cons     t*, unsigned, int)'
eca-neteci-server.o: In function `ECA_NETECI_SERVER::remove_client(ecasound_neteci_server_cli     ent*)':
/home/bart/Documents/ecasound-2.3.0/ecasound/../libecasound/eca-logger-interface.h:30: undefi     ned reference to `ECA_LOGGER::instance()'
eca-plaintext.o: In function `ECA_PLAIN_TEXT::print_banner()':
/home/bart/Documents/ecasound-2.3.0/ecasound/eca-plaintext.cpp:50: undefined reference to `ec     asound_library_version'
collect2: ld returned 1 exit status
make[2]: *** [ecasound] Error 1