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Subject: Re: [OMPI users] Problems Compiling gfortran on mac os-x 10.5.3
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-03-04 10:22:09

Try using FC=gfortran, not F90=gfortran. That should fix the problem
for you.

FC instead of F90 is unfortunately the GNU Autoconf standard way of
specifying the Fortran compiler (beyond Fortran 77). It's a little
confusing, but that's what you need to do.

On Mar 4, 2008, at 10:16 AM, Chase Latta wrote:

> Hello,
> I am working with a few other physics students on my campus to try
> to get open-mpi to run on a cluster of 8 imacs all running mac os-x
> 10.5.3. Before I start I will let you know that we are not the most
> savvy programmers so any detailed information would be much
> appreciated.
> We ran the default install of open-mpi and everything installed
> correctly. We are able to compile and run c programs using the
> mpicc wrappers. The problem that we are having is that we are
> unable to get the fortran wrappers to work. We are using gfortran
> and the compiler works perfectly on its own. To enable the wrapper
> compilers I ran the command ./configure --enable-f77 --enable-f90
> F77=gfortran F90=gfortran. I then ran the make and make install
> commands. Everything appeared to work correctly. The problem is
> that when I try to compile a program with mpif90 I get an error
> saying that open-mpi was not built with fortran 90 support (the same
> happens with f77). I have looked everywhere in the faq's and cannot
> figure out why this is happening. The only thing that I can think
> is that when I tell the F90 wrapper to use gfortran it tells me that
> there are no flags in my compiler to compiler to compile .f and .f90
> files; even though I can compile .f and .f90 files with my gfortran
> compiler. Any help would be very much appreciated.
> Thanks in advance,
> Chase
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Jeff Squyres
Cisco Systems