[mpich-discuss] Compiling with -std=f2003 and mpif.h

[Junchao Zhang]

Hi, Jed,
  Could you suggest a solution so that I can patch MPICH?
  Thanks.

--Junchao Zhang


On Wed, Feb 26, 2014 at 12:34 PM, Jed Brown <jed at jedbrown.org> wrote:

> I have a user that wants me to check their F2003 code which uses mpif.h.
> Attempting to compile with gfortran-4.8.2 -std=f2003 results in errors
> coming from mpif.h.  I tried configuring MPICH (v3.1-16-g38a5e61) using
> FCFLAGS=-std=f2003, but I get build errors.  GFortran does not have a
> -std=gnu2003, so it appears that GNU extensions and F2003+ features are
> mutually exclusive.  What is MPICH's intent here?
>
>
> mpifnoext.h:16.18:
>     Included at src/binding/f90/mpi_constants.f90:6:
>
>        CHARACTER*1 MPI_ARGVS_NULL(1,1)
>                   1
> Warning: Obsolescent feature: Old-style character length at (1)
> mpifnoext.h:17.18:
>     Included at src/binding/f90/mpi_constants.f90:6:
>
>        CHARACTER*1 MPI_ARGV_NULL(1)
>                   1
> Warning: Obsolescent feature: Old-style character length at (1)
> mpifnoext.h:528.16:
>     Included at src/binding/f90/mpi_constants.f90:6:
>
>        integer*8 MPI_DISPLACEMENT_CURRENT
>                 1
> Error: GNU Extension: Nonstandard type declaration INTEGER*8 at (1)
> mpifnoext.h:529.42:
>     Included at src/binding/f90/mpi_constants.f90:6:
>
>        PARAMETER (MPI_DISPLACEMENT_CURRENT=-54278278)
>                                           1
> Error: Symbol 'mpi_displacement_current' at (1) has no IMPLICIT type
>
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