Problem compiling PCL with Ibuki Lisp

[Josh Lubell <lubell@cs.UMD.EDU>]

I tried to compile PCL using Ibuki Common Lisp (IBCL), and I got a
linkage error when attempting to load "ibcl-patches.o".  Does anyone
know how to solve my problem.  Here are the compilation messages I
got:

>
(load "PCL/defsys")Loading PCL/defsys.lsp
Finished loading PCL/defsys.lsp
T

>
(pcl::compile-pcl)Compiling IBCL-PATCHES...
Compiling PCL/ibcl-patches.lsp.
Warning:
DEFMACRO is being redefined.
; (IN-PACKAGE 'SYSTEM) is being compiled.
;; Warning: The package operation (IN-PACKAGE 'SYSTEM) was in a bad place.
Warning:
GET-SETF-METHOD is being redefined.
Warning:
GET-SETF-METHOD-MULTIPLE-VALUE is being redefined.
End of Pass 1.  
;; Note: Tail-recursive call of GET-SETF-METHOD-MULTIPLE-VALUE was replaced by iteration.
End of Pass 2.  
OPTIMIZE levels: Safety=2, Space=3, Speed=3
Finished compiling PCL/ibcl-patches.lsp.
Loading binary of IBCL-PATCHES...
>>Error: The linkage editor failed.
 LOAD                         (IHS[22])
Arg 0: #"PCL/ibcl-patches.o"
Restart options (Type :C <number>):