I expect the point is to get from a C compiler to an Arc prompt with "make install && arc". Much later, if you're worried about speed, you can install a C++ co

I expect the point is to get from a C compiler to an Arc prompt with "make install && arc". Much later, if you're worried about speed, you can install a C++ compiler and libraries, compile an ancient version of Racket, and do the other steps of the original install.