```common lisp
(cl:in-package #:asdf-user)

(defsystem :sicl-conditions
  :components
  ((:file "packages")
   (:file "support"
    :depends-on ("packages"))))
```

Use option :SERIAL T to simplify system definition.
user
```common lisp
(cl:in-package #:asdf-user)

(defsystem :sicl-conditions
  :serial t
  :components
  ((:file "packages")
   (:file "support")))
```
assistant