MPICH and gfortran

export FC="gfortran -O2 -ff2c -fno-underscoring "
export F77_GETARGDECL=" "
export CC="gcc -O2 "
export CXX="g++ -O2 "
export F90="gfortran -O2 -ff2c -fno-underscoring "
./configure --prefix=/opt/mpich -rsh=ssh