Hi, i follow this instructions: http://www.lrde.epita.fr/dload/olena/2.0/README-2.0 With this code in terminal: olena2.0/_build$ ./configure --enable-scribo olena2.0/_build$ make For install Scribo module, but i get this error: ../../../../milena/mln/canvas/browsing/snake_generic.hh:76:14: nota: ‘const struct mln::canvas::browsing::snake_generic_t’ no tiene constructor por defecto proporcionado por el usuario make[1]: *** [pgm_global_threshold_auto.o] Error 1 make: *** [all-recursive] Error 1 I have Ubuntu 11.10 32 bits. Anyone can help me? Thanks