https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69064
Dominique d'Humieres <dominiq at lps dot ens.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2015-12-27 Ever confirmed|0 |1 --- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- With the attached "preprocessed" test I get CONTAINS 1 Fatal Error: Can't open module file 'read_nestle_in_mod.mod' for reading at (1): No such file or directory If I remove the useless lines # 1 "src/read_input_mod.f90" # 1 "<built-in>" # 1 "<command-line>" # 1 "src/read_input_mod.f90" I get USE READ_NESTLE_IN_MOD 1 Fatal Error: Can't open module file 'read_nestle_in_mod.mod' for reading at (1): No such file or directory which is expected since you did not provide the file containing the module READ_NESTLE_IN_MOD. Could you please provide a test not failing for trivial reasons such as missing modules?