c++ protobuf test

/*
g++ -std=c++0x -D__cplusplus=201103L -I/usr/local/include -O0 -g3 -Wall -Wextra -pedantic -c -fmessage-length=0 -MMD -MP -o "Test.o" "Test.cpp"
g++ -o "test" Test.o -pthread -lprotobuf -lpthread -L/usr/local/lib -pedantic
*/

#include <string>
#include <iostream>
#include <fstream>

// ProtocolBuffers
#include "Combined.pb.h"

using namespace std;
using namespace AngeeProtobuf;

void ListUsers(const Presence& p) {
    cout << "USER PRESENCE DATA_SIZE: " << p.data_size() << endl;
    for (int i = 0; i < p.data_size(); i++) {
        const User& u = p.data(i);
        cout << "USER PRESENCE: " << u.username() << ", online: " << u.online() << ", stateChanged: " << u.statechanged() << endl;
    }
}

int main(int argc, char* argv[]) {

    if (argc != 2) {
        cerr << "Usage:  " << argv[0] << " PRESENCE_PROTO_FILE" << endl;
        return -1;
    }

    Presence p;

    // Read Presence
    fstream input(argv[1], ios::in | ios::binary);
    if (!p.ParseFromIstream(&input)) {
        cerr << "Failed to parse Presence." << endl;
        return -1;
    }

    ListUsers(p);
}




martin@meo2:~/protobuf_test$ g++ -std=c++0x -D__cplusplus=201103L -I/usr/local/include -O0 -g3 -Wall -Wextra -pedantic -c -fmessage-length=0 -MMD -MP -o "Test.o" "Test.cpp"
martin@meo2:~/protobuf_test$ g++ -o "test" Test.o -pthread -lprotobuf -lpthread -L/usr/local/lib -pedantic
Test.o: In function `main':
/home/martin/protobuf_test/Test.cpp:31: undefined reference to `AngeeProtobuf::Presence::Presence()'
/home/martin/protobuf_test/Test.cpp:34: undefined reference to `AngeeProtobuf::Presence::~Presence()'
/home/martin/protobuf_test/Test.cpp:31: undefined reference to `AngeeProtobuf::Presence::~Presence()'
collect2: error: ld returned 1 exit status
martin@meo2:~/protobuf_test$