[gentoo-lisp] sbcl-1.1.6-r2 and asdf-2.33-r2

[grozin@gentoo.org]

Hello *,

grozin@dns ~/maxima $ sbcl
This is SBCL 1.1.6, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.
* (require 'sb-posix)
ASDF could not load sb-posix because Error while trying to load definition 
for system sb-posix from pathname /usr/lib64/sbcl/sb-posix/sb-posix.asd: 
invalid number of arguments: 3.

debugger invoked on a ASDF/FIND-SYSTEM:LOAD-SYSTEM-DEFINITION-ERROR: Error 
while trying to load definition for system sb-posix from pathname 
/usr/lib64/sbcl/sb-posix/sb-posix.asd: invalid number of arguments: 3

Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL.

restarts (invokable by number or by possibly-abbreviated name):
    0: [RETRY                                 ] Retry EVAL of current 
toplevel form.
    1: [CONTINUE                              ] Ignore error and continue 
loading file "/usr/share/common-lisp/source/asdf/asdf.lisp".
    2: [ABORT                                 ] Abort loading file 
"/usr/share/common-lisp/source/asdf/asdf.lisp".
    3: [RETRY                                 ] Retry compiling 
#<CL-SOURCE-FILE "asdf" "asdf">.
    4: [ACCEPT                                ] Continue, treating compiling 
#<CL-SOURCE-FILE "asdf" "asdf"> as having been successful.
    5:                                          Retry EVAL of current 
toplevel form.
    6:                                          Ignore error and continue 
loading file "/usr/lib64/sbcl/sb-posix/sb-posix.asd".
    7:                                          Abort loading file 
"/usr/lib64/sbcl/sb-posix/sb-posix.asd".
    8: [REINITIALIZE-SOURCE-REGISTRY-AND-RETRY] Retry finding system 
sb-posix after reinitializing the source-registry.
    9:                                          Exit debugger, returning to 
top level.

(UIOP/PACKAGE:FIND-SYMBOL* #:FINALIZERS-OFF-WARNING :ASDF-FINALIZERS 
#<unknown>) [tl,external]
0]

Any ideas? This prevents compiling maxima.

Andrey