Here are backported lyx packages.... version 1.4.5 (with builtin libbost as it was packaged originally by the lyx maintainers) deb http://download.tuxfamily.org/emiscabpo/lyx14-bpo ./ http://download.tuxfamily.org/emiscabpo/lyx14-bpo/sources/ lyx 1.5.2 + backported libboost 1.34: deb http://download.tuxfamily.org/emiscabpo/lyx15-bpo ./ http://download.tuxfamily.org/emiscabpo/lyx15-bpo/sources/ Bye, Emilio