On Wed, 2010-08-18 at 16:25 -0400, Dennis Stevenson wrote: [...]
debugger invoked on a SB-PCL::INITARG-ERROR in thread #<THREAD "initial thread" RUNNING {AA03961}>: Invalid initialization argument: :SONAME in call for class #<STANDARD-CLASS CFFI-GROVEL:WRAPPER-FILE>. See also: The ANSI Standard, Section 7.1.2
Type HELP for debugger help, or (SB-EXT:QUIT) to exit from SBCL.
restarts (invokable by number or by possibly-abbreviated name): 0: [ABORT] Exit debugger, returning to top level.
As Faré said, you need to use cffi HEAD