g++ -c -fpic zmq_evtpub.cpp

g++ -c -fpic zmq_evtsub.cpp

g++ -shared -o libzmq_evtpub.so zmq_evtpub.o

g++ -shared -o libzmq_evtsub.so zmq_evtsub.o

export LD_LIBRARY_PATH=/home/ben/repo/double-free-bug:$LD_LIBRARY_PATH

g++ -L. main.cpp ZmqEvents.cpp -lzmq_evtpub -lzmq_evtsub -o main