错误:未找到组件“zip”

我正在尝试安装zip库。

wonko:Desktop andrew$ alisp 
International Allegro CL Free Express Edition
8.2 [Mac OS X (Intel)] (Jan 25, 2010 14:49)
Copyright (C) 1985-2010, Franz Inc., Oakland, CA, USA.  All Rights Reserved.
This development copy of Allegro CL is licensed to:
   Allegro CL 8.2 Express user

;; Optimization settings: safety 1, space 1, speed 1, debug 2.
;; For a complete description of all compiler switches given the
;; current optimization settings evaluate (EXPLAIN-COMPILER-SETTINGS).
CL-USER(1): (asdf:oos 'asdf:load-op :zip)              

; Autoloading for package "ASDF":
; Fast loading /Applications/AllegroCL/code/ASDF.fasl
; Autoloading for package "EXCL.OSI":
;   Fast loading /Applications/AllegroCL/code/OSI.fasl
;     Fast loading from bundle code/fileutil.fasl.
;   Autoloading for package "REGEXP":
;     Fast loading from bundle code/regexp2-s.fasl.
;   Autoloading for REGEXP::MAKE-VM-CLOSURE:
;     Fast loading /Applications/AllegroCL/code/regexp2.fasl
;       Fast loading /Applications/AllegroCL/code/YACC.fasl
Error: component "zip" not found
  [condition type: MISSING-COMPONENT]

Restart actions (select using :continue):
 0: Return to Top Level (an "abort" restart).
 1: Abort entirely from this (lisp) process.
[1] CL-USER(2):

规格:

快板第8.2条

ASDF(大概包括在快板中)

Mac OS X 10.6.4版

MacBook Pro 5,1版

奇怪的是,ASDF似乎没有在网上搜索zip。它只是放弃了。