anchor.diff:      "i386-unknown-openbsd"
       "x86_64-unknown-openbsd"
       "arm-pc-linux-gnu"
  -    "arm-unknown-linux-androideabi"))
  +    "arm-unknown-linux-androideabi"
  +    "aarch64-unknown-linux-android"
  +    "i686-unknown-linux-android"
  +    "x86_64-unknown-linux-android"))
   
     ;; c2ffi
  
positive.code: 
  (defun local-environment ()
    #+linux "-gnu"
    #+android "-androideabi"
    #+(not (or linux android)) "")
  
  (defun local-arch ()
  
negative.code:   #+x86-64 "x86_64"
    #+(and (not (or x86-64 freebsd)) x86) "i686"
    #+(and (not x86-64) x86 freebsd) "i386"
    #+arm "arm"
    #+arm64 "aarch64")
  
  (defun local-vendor ()
    #+(or linux windows) "-pc"
  