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From: Anthony Chan (chan_at_[hidden])
Date: 2005-11-22 11:42:14


Thanks for fixing this. Will there be a patched release of openmpi
that will contain this fix anytime soon ? (In the meantime, I could do a
anonymous read on the svn repository.)

A.Chan

On Tue, 22 Nov 2005, Jeff Squyres wrote:

> Whoops! We forgot to instantiate these -- thanks for catching that.
>
> I have just committed fixes to both the trunk and the v1.0 branch.
> This also prompted the addition of the following text in the README
> file:
>
> -----
> - Open MPI will build bindings suitable for all common forms of
> Fortran 77 compiler symbol mangling on platforms that support it
> (e.g., Linux). On platforms that do not support weak symbols (e.g.,
> OS X), Open MPI will build Fortran 77 bindings just for the compiler
> that Open MPI was configured with.
>
> Hence, on platforms that support it, if you configure Open MPI with
> a Fortran 77 compiler that uses one symbol mangling scheme, you can
> successfully compile and link MPI Fortran 77 applications with a
> Fortran 77 compiler that uses a different symbol mangling scheme.
>
> NOTE: For platforms that support the multi-Fortran-compiler bindings
> (i.e., weak symbols are supported), due to limitations in the MPI
> standard and in Fortran compilers, it is not possible to hide these
> differences in all cases. Specifically, the following two cases may
> not be portable between different Fortran compilers:
>
> 1. The C constants MPI_F_STATUS_IGNORE and MPI_F_STATUSES_IGNORE
> will only compare properly to Fortran applications that were
> created with Fortran compilers that that use the same
> name-mangling scheme as the Fortran compiler that Open MPI was
> configured with.
>
> 2. Fortran compilers may have different values for the logical
> .TRUE. constant. As such, any MPI function that uses the fortran
> LOGICAL type may only get .TRUE. values back that correspond to
> the the .TRUE. value of the Fortran compiler that Open MPI was
> configured with.
>
> You can use the ompi_info command to see the Fortran compiler that
> Open MPI was configured with.
> -----
>
>
> On Nov 22, 2005, at 12:49 AM, Anthony Chan wrote:
>
> >
> > Hi
> >
> > Linking the following program with mpicc from openmpi-1.0 compiled
> > with gcc-4.0 on a IA32 linux box
> >
> > *************************
> > #include <stdio.h>
> > #include "mpi.h"
> >
> > int main() {
> >
> > int argc; char **argv;
> >
> > MPI_Fint *f_status;
> > ;
> > MPI_Init(&argc, &argv);
> >
> > f_status = MPI_F_STATUS_IGNORE;
> > f_status = MPI_F_STATUSES_IGNORE;
> >
> > MPI_Finalize();
> >
> > ; return 0; }
> > **************************
> >
> > with command "<openmpi-1.0>/bin/mpicc ts_MPI_F_STATUS_IGNORE.c"
> > produces
> > unresolved references of MPI_F_STATUS(ES)_IGNORE (which are both
> > defined
> > in mpi.h).
> >
> > Here is ompi_info:
> >
> > Open MPI: 1.0r8189 Open MPI SVN revision: r8189
> > Open RTE: 1.0r8189
> > Open RTE SVN revision: r8189
> > OPAL: 1.0r8189
> > OPAL SVN revision: r8189
> > ...
> > Configured architecture: i686-pc-linux-gnu
> > C bindings: yes
> > C++ bindings: yes
> > Fortran77 bindings: yes (all)
> > Fortran90 bindings: yes
> > C compiler: /soft/apps/packages/gcc-4.0.0/bin/gcc-4.0
> > C compiler absolute: /soft/apps/packages/gcc-4.0.0/bin/gcc-4.0
> > C++ compiler: /soft/apps/packages/gcc-4.0.0/bin/g++-4.0
> > C++ compiler absolute: /soft/apps/packages/gcc-4.0.0/bin/g++-4.0
> > Fortran77 compiler:
> > /soft/apps/packages/gcc-4.0.0/bin/gfortran-4.0
> > Fortran77 compiler abs:
> > /soft/apps/packages/gcc-4.0.0/bin/gfortran-4.0
> > Fortran90 compiler:
> > /soft/apps/packages/gcc-4.0.0/bin/gfortran-4.0
> > Fortran90 compiler abs:
> > /soft/apps/packages/gcc-4.0.0/bin/gfortran-4.0
> > C profiling: yes
> > C++ profiling: yes
> > Fortran77 profiling: yes
> > Fortran90 profiling: yes
> > C++ exceptions: no
> > Thread support: posix (mpi: no, progress: no)
> > Internal debug support: no
> > MPI parameter check: runtime
> > Memory profiling support: no
> > Memory debugging support: no
> > libltdl support: 1
> > ...
> >
> >
> > A.Chan
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
>
> --
> {+} Jeff Squyres
> {+} The Open MPI Project
> {+} http://www.open-mpi.org/
>
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