Those Projects are based on JTNC Standard API Documents found in www.public.navy.mil, minor changes are made in order to adapt the IDLs to the REDHAWK Target SDR IDL Repository.
You just need to to run:
$ ./install
at the top level directory. It will generate the required source files, build and install the Interfaces libraries into $OSSIEHOME. Use ./install -m <module_name> to install a specific JTNC CORBA Module. Use ./install -f to reinstall JTNC CORBA Module(s).
Note: sudo privileges are required