# File lib/restclient/request.rb, line 143
    def print_verify_callback_warnings
      warned = false
      if RestClient::Platform.mac?
        warn('warning: ssl_verify_callback return code is ignored on OS X')
        warned = true
      end
      if RestClient::Platform.jruby?
        warn('warning: SSL verify_callback may not work correctly in jruby')
        warn('see https://github.com/jruby/jruby/issues/597')
        warned = true
      end
      warned
    end