Hi Eric, On Tue, Dec 13, 2011 at 10:28:03AM +0100, Eric MAEKER wrote: > Le 13 déc. 2011 à 09:51, Andreas Tille a écrit : > > > /usr/include/qwt > > Does Qwt project installed on the machine ? Sure. This is guaranted by the Build-Depends (and if not the build would stop way earlier). Kind regards Andreas. -- http://fam-tille.de