migrating code from f77 to f90

[Tobias Schlüter]

Quoting Bud Davis <bdavis9659@sbcglobal.net>:
> ideally, i could 'clean up' my non-compliant f77 code
> a couple of modules at a time, compile them with
> gfortran, then mix them with the f77 compiled source
> to make a single executable.
>
>
> this would make a nice, slow, step-wise migration
> path.
>
> can we do this between g77 and gfortran now ?

Yes and no.  As long as the I/O is contained in either the gfortran or the g77
compiled parts it should work fine, otherwise the interactions might not be
easy to predict.

- Tobi