a replacement of mpif90 for AmberTools building process

mpif90.bash

#!/bin/bash
# 345678901234567890123456789012345678901234567890123456789012345678901234567890

# Usage: (stock lammpi 7.1.4 in my OSCAR cluster was compiled with gcc/gfortran)
#    env LAMMPICC=icc LAMMPIF77=ifort mpif90
#    env LAMMPIF77=g95 mpif90

# 345678901234567890123456789012345678901234567890123456789012345678901234567890

mystring="$(mpif77 -show)"
if [[ "$mystring" =~ "lamf77mpi" ]]; then
   # lam 7.1.4 doesn't have mpif90
   mpif77 $*
else
   # other mpi
   mpif90 $*
fi