Hi, I'm sure it's obvious for everybody here, but I can't find how to add 2 numbers with cmake. Can someone show me how to do that ? Thanks, Gaetan -- Gaëtan Lehmann Biologie du Développement et de la Reproduction INRA de Jouy-en-Josas (France) tel: +33 1 34 65 29 66 fax: 01 34 65 29 09 http://voxel.jouy.inra.fr