[petsc-dev] GCC8 Fortran length changes from int to size_t

Lisandro Dalcin dalcinl at gmail.com
Sun May 6 03:23:45 CDT 2018

On Thu, 3 May 2018 at 20:21, Jed Brown <jed at jedbrown.org> wrote:

> Lisandro Dalcin <dalcinl at gmail.com> writes:

> > On 3 May 2018 at 18:50, Smith, Barry F. <bsmith at mcs.anl.gov> wrote:
> >>
> >>    Jeff, (and others),
> >>
> >>      Do you know of a tool that can take a C prototype and
automatically generate the Fortran C binding interface definition? We
currently generate stubs for C functions that have character arguments
manually and it would be great to remove that manual step.
> >>
> >
> > How do you exactly want to implement that? Totally replace these
> > special functions with the BIND(C) interface that calls directly the C
> > function, or rather generate a native Fortran subroutine that calls
> > the C function through a BIND(C) interface?

> The latter.  Usage should not change for existing Fortran users.

Things may end up being involved anyway, even if using ISO_C_BINDINGS.


Lisandro Dalcin
Research Scientist
Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
Extreme Computing Research Center (ECRC)
King Abdullah University of Science and Technology (KAUST)

4700 King Abdullah University of Science and Technology
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