According to Dimi Papadopoulos (https://twitter.com/f1enigma), Honda have an engine for 2014 and McLaren will be making a decision in the next few days whether to go with Honda or Mercedes - they currently have no engine contract after this year.
Article in German here: http://www.auto-motor-und-sport.de/...elchen-motor-faehrt-mclaren-2014-6740843.html
Article in German here: http://www.auto-motor-und-sport.de/...elchen-motor-faehrt-mclaren-2014-6740843.html