Found at http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/4e34a377097524f2
gfortran gives a -Wall warning for a variable which is only used via namelists: character(4) :: nml_string 1 Warning: Unused variable 'nml_string' declared at (1) For: character(4) :: nml_string namelist /nmlist/ nml_string read(7,nml=nmlist) write(*,nml=nmlist) end -- Summary: Wrong unused-variable warning with NAMELISTs Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43899