[QE-users] Compiling qe git version with parallel_studio_xe/2020.0.088 will still invoke mpif90.

[Ye Luo]

mpif90 from intel MPI invokes gfortran.
You should use mpiifort instead.
$ ./configure --with-scalapack=intel MPIF90=mpiifort
assuming mpiifort exists on your path.
Ye
===================
Ye Luo, Ph.D.
Computational Science Division & Leadership Computing Facility
Argonne National Laboratory


On Wed, Jun 3, 2020 at 9:47 PM Hongyi Zhao <hongyi.zhao at gmail.com> wrote:

> Hi,
>
> See my following steps on compiling the latest qe git verson with
> parallel_studio_xe/2020.0.088:
>
> $ module load parallel_studio_xe/2020.0.088
> $ ./configure --with-scalapack=intel
> checking build system type... x86_64-pc-linux-gnu
> checking ARCH... x86_64
> checking setting AR... ... ar
> checking setting ARFLAGS... ... ruv
> checking for gfortran... no
> checking for g95... no
> checking for xlf95... no
> checking for f95... no
> checking for fort... no
> checking for ifort... ifort
> checking whether the Fortran compiler works... yes
> checking for Fortran compiler default output file name... a.out
> checking for suffix of executables...
> checking whether we are cross compiling... no
> checking for suffix of object files... o
> checking whether we are using the GNU Fortran compiler... no
> checking whether ifort accepts -g... yes
> checking for mpif90... mpif90
> checking whether we are using the GNU Fortran compiler... no
> checking whether mpif90 accepts -g... no
> checking version of mpif90... unknown, assuming gfortran
> checking for Fortran flag to compile .f90 files... unknown
> configure: error: Fortran could not compile .f90 files
>
> Then I try the following command for inspecting the problem:
>
> $ mpif90 --help
> /opt/intel/compilers_and_libraries_2020.0.166/linux/mpi/intel64/bin/mpif90:
> 1: gfortran: not found
> /opt/intel/compilers_and_libraries_2020.0.166/linux/mpi/intel64/bin/mpif90:
> 1: eval: gfortran: not found
>
> It complains gfortran cann't be found. But the module file I used
> above has already set the environments for using intel tool chain.
>
> Any hints for this problem?
>
> Regards.
> --
> Hongyi Zhao <hongyi.zhao at gmail.com>
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