Drew Parsons writes ("Re: freeness and compatibility of CeCILL-C licence"): > If I'm reading that right, we can link it from BSD and LGPL libraries. > Currently MUMPS is in Debian used by ... > code-aster GPL2 This is a problem then. Is there any possibility of CeCILL being persuaded to add a GPL compatibility exception ? The licence already has an upgrade clause IIRC. Ian.