error compiling nwchem 6.3 May 2014 version released

!bin/bash
export TCGRSH=/usr/bin/ssh
export NWCHEM_TOP=/gpfs/CLUSTERUSERS/neilparker2/soft/update/Nwchem
export CC=gcc
export FC=gfortran
export LARGE_FILES=TRUE
export USE_NOFSCHECK=TRUE
export NWCHEM_TARGET=LINUX64
export NWCHEM_MODULES=all
export MRCC_THEORY=TRUE
export LIB_DEFINES="-DDFLT_TOT_MEM=16777216"
export USE_MPIF=y
export USE_MPI=y
export USE_MPIF4=y

export MPI_LOC=/gpfs/CLUSTERUSERS/neilparker2/tools
export MPI_LIB=$MPI_LOC/lib
export MPI_INCLUDE=$MPI_LOC/include 
export LIBMPI="-lmpi_f90 -lmpi_f77 -lmpi -ldl -Wl,--export-dynamic -lnsl -lutil"

export BLASOPT="-L/gpfs/CLUSTERUSERS/neilparker2/tools/lib -lf77blas -latlas"

export ARMCI_NETWORK=OPENIB 
# MPI-SPAWN MPI-MT 
export IB_INCLUDE=/usr/include/infiniband   
export IB_LIB=/usr/lib64
export IB_LIB_NAME="-libverbs -libumad -lpthread -lrt"
export MSG_COMMS=MPI 

make realclean
cd $NWCHEM_TOP/src
make nwchem_config
make >& make.log

config/makefile.h:1747: Superfluous text after the directive `else'
config/makefile.h:1753: *** in conditional expression can only be one `else'.  stop

      ifeq ($(_FC),gfortran)
        ifdef USE_I4FLAGS
#does not exists
#             FOPTIONS += -fdefault-integer-4
        else
             FOPTIONS += -fdefault-integer-8
        endif
      else ifeq ($(_FC),crayftn)
        ifdef USE_I4FLAGS
             FOPTIONS += -s integer32
        else
             FOPTIONS += -s integer64
        endif
      else
        ifdef USE_I4FLAGS
             FOPTIONS += -i4
        else
             FOPTIONS += -i8
        endif
      endif