[petsc-dev] make all PETSc Fortran examples modern freeform?

[Satish Balay]

On Thu, 7 Nov 2013, Satish Balay wrote:

> On Thu, 7 Nov 2013, Barry Smith wrote:
> 
> > 
> >    Rather than making a massive change to PETSc, how about the following modest proposal
> > 
> >     Add a configure option that causes PETSc to compile Fortran code with the free-form option. When built with this option, of course, possibly many of the current examples just won’t be built in that configuration.
> 
> It already works this way - doesn't it?
> 
> All petsc sources and all .F examples fixed/free-form complaint.
> 
> So if one were to use FFLAGS=-fixed-form or FFLAGS=-free-form things
> should work?
> 
> Perhaps some examples got broke - and they need fixing?

BTW: if none of the options are specified - compilers usually default
to 'fixed form' for .f/.F and free form for .f90/.F90.

So perhaps 'FFLAGS=-fixed-form' will conflict with our .F90 examples -
so some extra check [to not run .F90 examples] might be needed
somehwere..

Satish