(compile -O2 -d1 -s "level-sexp.scm" -Iinclude -j "level-sexp")
(compile -O2 -d0 -s "level-sexp.import.scm")
(compile -O2 -d1 -c "level-sexp.scm" -Iinclude -unit "level-sexp" -o "level-sexp-static.o")

(install-extension
  'level-sexp
  '("level-sexp.so" "level-sexp.import.so" "level-sexp-static.o")
  '((version "3.0.0")
    (static "level-sexp-static.o")))