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From: Brian Barrett (brbarret_at_[hidden])
Date: 2006-07-31 13:15:58

On Mon, 2006-07-31 at 13:12 -0400, James McManus wrote:
> I'm trying to compile MPI with pgf90. I use the following configure
> settings:
> ./configure --prefix=/usr/local/mpi F90=pgf90 F77=pgf77
> However, the compiler is set to gfortran:
> *** Fortran 90/95 compiler
> checking for gfortran... gfortran
> checking whether we are using the GNU Fortran compiler... yes
> checking whether gfortran accepts -g... yes
> checking if Fortran compiler works... yes
> checking whether pgf90 and gfortran compilers are compatible... no
> configure: WARNING: *** Fortran 77 and Fortran 90 compilers are not link
> compatible
> I do have gfortran, with its binary in /usr/bin/gfortran, However, I
> have removed all path information to it, in .bash_profile and .bashrc,
> and have replaced it with path information to pgf90. MPI is still
> configured with gfortran and the FC compiler.
> I am using a evaluation version of the pgi compilers.


 ./configure --prefix=/usr/local/mpi FC=pgf90 F77=pgf77

Autoconf looks at the FC variable to choose the modern Fortran compiler,
not the F90 variable.