Edit file File name : ffi.rb Content :if !defined?(RUBY_ENGINE) || RUBY_ENGINE == 'ruby' || RUBY_ENGINE == 'rbx' Object.send(:remove_const, :FFI) if defined?(::FFI) begin require RUBY_VERSION.split('.')[0, 2].join('.') + '/ffi_c' rescue Exception require 'ffi_c' end require 'ffi/ffi' elsif defined?(RUBY_ENGINE) # Remove the ffi gem dir from the load path, then reload the internal ffi implementation $LOAD_PATH.delete(File.dirname(__FILE__)) $LOAD_PATH.delete(File.join(File.dirname(__FILE__), 'ffi')) unless $LOADED_FEATURES.nil? $LOADED_FEATURES.delete(__FILE__) $LOADED_FEATURES.delete('ffi.rb') end require 'ffi.rb' end Save