OPTIC homepage: https://sourceforge.net/projects/tsgp/files/OPTIC/
Code revised to adhere with C++17/C++20.
Steps to build and install (defaults to "/usr/local")
$ cmake -DCMAKE_BUILD_TYPE=Release -S src -B release
$ cd release
$ make -j 10 parser
$ make -j 10 optic-clp
$ sudo make install
Alternative builds possible by changing arguments of call to cmake
above by suitable keywords.