(compile -s -O2 -d1 "mpfi.scm" -lmpfi -j mpfi)
(compile -c -O2 -d1 "mpfi.scm" -lmpfi -unit mpfi)
(compile -s -O2 -d0 "mpfi.import.scm")

(install-extension
 'mpfi
 '("mpfi.o" "mpfi.so" "mpfi.import.scm")
 '((version trunk)
   (static "mpfi.o")))