defpackage

How to make and use library with lisp (clisp)?

In C/C++, I can make a library, and make it static one or dll using #include "" in source code, and -labc when linking. How do I have the same feature in lisp? As an example of util.lisp in directory A. I define a library function hello. (defpackage "UTIL" (:use "COMMON-LISP") (:nicknames "UT") (:export "HELLO")) (in-package ut...