anchor.diff:        '';
         preInstall = ''
           type gcc
  -        mkdir -p "$out/lib/common-lisp/" 
  +        mkdir -p "$out/lib/common-lisp/"
           cp -r . "$out/lib/common-lisp/cl-fuse/"
  -        "gcc" "-x" "c" "$out/lib/common-lisp/cl-fuse/fuse-launcher.c-minus" "-fPIC" "--shared" "-lfuse" "-o" "$out/lib/common-lisp/cl-fuse/libfuse-launcher.so"        
  +        "gcc" "-x" "c" "$out/lib/common-lisp/cl-fuse/fuse-launcher.c-minus" "-fPIC" "--shared" "-lfuse" "-o" "$out/lib/common-lisp/cl-fuse/libfuse-launcher.so"
         '';
       };
     };
  
positive.code:       '';
      };
    };
  }
  
negative.code:         -                   (<= (file-write-date fasl) newest))
          -          (delete-file fasl))))))
          +  (declare (ignore swank-files contrib-files fasl-dir)))
  
           (defun compile-contribs (&key (src-dir (contrib-dir *source-directory*))
                                      (fasl-dir (contrib-dir *fasl-directory*))
          EOD
  