Install libomniorb4-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libomniorb4-dev
omniORB core libraries development files
omniORB4 is a freely available Common Object Request Broker Architecture (CORBA) 2.6 compliant object request broker (ORB) implementation. It is based on the IIOP communications protocol and should be interoperable with any other CORBA 2.6 compliant ORB. . This includes developer files for libomniorb4, libomnicodesets4, libomnidynamic4 and libomnissltp4.