https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68237
--- Comment #4 from Paul Thomas <pault at gcc dot gnu.org> --- (In reply to Dominique d'Humieres from comment #1) > Which revision are you using (gfortran -v). I get > > pr68237.f90:4:13: > > submodule (m1) m2 > 1 > Fatal Error: Can't open module file 'm1.smod' for reading at (1): No such > file or directory > compilation terminated. > > with revision r229438 (2015-10-27) or more recent. I get the same us Dominique with GNU Fortran (GCC) 6.0.0 20151030 (experimental).... I'll update my tree tonight. Cheers Paul