mk::defsystem problem? Allegro 7.0 trial/MacOSX 10.4

Environment: Allegro 7.0 trial/MacOSX 10.4

I have downloaded the latest matlisp via CVS.

I've compiled the libraries with xlf 8.1 and am reasonably confident  
that everything
is OK. Loading fails, however. This looks like a mk::defsystem problem.
(Then again, I'm a newbie, or at least feel like one :-)

;  - Loading defsystem "matlisp"
;    - Loading module "foreign-interface"
Warning: An error occurred
          (No translation rule for #P"matlisp:;src;f77-mangling.lisp")

Harri Hakula
Institute of Mathematics
Helsinki University of Technology

Here is the output from make:
==============================================
~/Desktop/acl70_trial/alisp -e '(progn (load "start.lisp"))'
; Loading /Users/hhakula/Desktop/matlisp/start.lisp
;   Loading /Users/hhakula/Desktop/matlisp/system.dcl
;     Loading /Users/hhakula/Desktop/matlisp/defsystem.lisp
;   Loading /Users/hhakula/Desktop/matlisp/config.lisp

;  - Loading defsystem "matlisp-packages"
;    - Loading binary file "/Users/hhakula/Desktop/matlisp/ 
packages.fasl"
;   Fast loading /Users/hhakula/Desktop/matlisp/packages.fasl
;  - Providing system matlisp-packages

;  - Loading defsystem "lazy-loader"
;    - Loading binary file
;      "/Users/hhakula/Desktop/matlisp/bin/lazy-loader.fasl"
;   Fast loading /Users/hhakula/Desktop/matlisp/bin/lazy-loader.fasl
;     Foreign loading matlisp:lib;libmatlisp.dylib.
;  - Providing system lazy-loader

;  - Loading defsystem "matlisp"
;    - Loading module "foreign-interface"
Warning: An error occurred
          (No translation rule for #P"matlisp:;src;f77-mangling.lisp")
          during the reading or evaluation of -e
          "(progn (load \"start.lisp\"))"
International Allegro CL Trial Edition
7.0 [Mac OS X] (Aug 4, 2005 16:09)
Copyright (C) 1985-2004, Franz Inc., Oakland, CA, USA.  All Rights  
Reserved.

This development copy of Allegro CL is licensed to:
    Harri Hakula, Helsinki University of Technology

;; 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).



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