ECL/SDL2

Unable to load any of the alternatives:
   ((:FRAMEWORK "SDL2") (:DEFAULT "libSDL2"))
   [Condition of type CFFI:LOAD-FOREIGN-LIBRARY-ERROR]

Restarts:
 0: [RETRY] Try loading the foreign library again.
 1: [USE-VALUE] Use another library instead.
 2: [TRY-RECOMPILING] Recompile library and try loading it again
 3: [RETRY] Retry loading FASL for #<cl-source-file "sdl2" "library">.
 4: [ACCEPT] Continue, treating loading FASL for #<cl-source-file "sdl2" "library"> as having been successful.
 5: [RETRY] Retry ASDF operation.
 6: [CLEAR-CONFIGURATION-AND-RETRY] Retry ASDF operation after resetting the configuration.
 7: [ABORT] Give up on "sdl2"
 8: [REGISTER-LOCAL-PROJECTS] Register local projects and try again.
 9: [RETRY] Retry SLIME REPL evaluation request.
 10: [*ABORT] Return to SLIME's top level.
 11: [ABORT] ABORT

Backtrace:
  0: LAMBDA1154
  1: FL-ERROR
  2: TRY-FOREIGN-LIBRARY-ALTERNATIVES
  3: LOAD-FOREIGN-LIBRARY-HELPER
  4: %DO-LOAD
  5: %DO-LOAD-FOREIGN-LIBRARY
  6: LOAD-FOREIGN-LIBRARY
  7: #<bytecompiled-function BYTECODES 0x10552a6e0>
  8: LAMBDA79
  9: TRACK-PACKAGE
 10: LAMBDA78
 11: LAMBDA77
 12: REPL-EVAL
 13: LISTENER-EVAL
 14: #<bytecompiled-function BYTECODES 0x10552a730>
 15: LAMBDA522
 16: LAMBDA519
 17: LAMBDA553
 18: REPL-LOOP
 19: LAMBDA48
 --more--