-ffree-form
-Fortran RejectNegative
-Assume that the source file is free form
-
-fopenmp
-Fortran
-Enable OpenMP
-
-funderscoring
-Fortran
-Append underscores to externally visible names
-
-fcray-pointer
-Fortran
-Use the Cray Pointer extension
-
-fsecond-underscore
-Fortran
-Append a second underscore if the name already contains an underscore
-
-fimplicit-none
-Fortran
-Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements