Build and install
You will need to have snow-chibi installed, it comes with Chibi Scheme.
You can run compile-r7rs on Chibi, Chicken, Gauche, Guile, Kawa, Sagittarius or
STklos.
snow-chibi --impls=SCHEME "(foreign c)"
snow-chibi --impls=SCHEME "(srfi 170)"
make build-SCHEME
make install