I had to comment out FFI_UNIX64Hi,I tried to load cffi that comes with Quicklisp on SBCL 1.3.2 on a Raspberry PI 2.
(cenum abi
((:default-abi "FFI_DEFAULT_ABI"))
((:sysv "FFI_SYSV"))
#+nil ((:unix64 "FFI_UNIX64"))
)in the file quicklisp/dists/quicklisp/software/cffi_0.16.1/libffi/libffi-unix.lispto make it load.Regards, Martin