export PATH=/Users/tony/Desktop/elastix_macosx64_v4/bin:$PATH
export DYLD_LIBRARY_PATH=/Users/tony/Desktop/elastix_macosx64_v4/lib:$DYLD_LIBRARY_PATH

Elastix sucessfully initialized from path: /Users/tony/Desktop/elastix_macosx64_v4
dyld: Library not loaded: libANNlib.dylib
  Referenced from: /Users/tony/Desktop/elastix_macosx64_v4/bin/elastix
  Reason: image not found