(ext:install-c-compiler)

(setq c:*user-ld-flags* "-lm")

(compile-file #p"source.lisp" :system-p t)

(c:build-program "mather" :lisp-files '("source.o"))

(ext:run-program "./mather" '("--op" "powf" "-a" "2" "-b" "2.9")
 :output t :error t)

(si:quit)