There are 3 - header files [validate_parsed_options.h, search_algorithms.h, search_initiator.h] and 1 .cpp file [engine_main.cpp],
copy all 4 files into any directory [same] and run terminal on that directory.
->g++ engine_main.cpp -o dse -lboost_filesystem -lboost_program_options
-> ./dse --help
To show Usage Description.