if you have not type make clean before the last compilation, please either recompile after a make clean, or (faster) do the following
cd $NWCHEM_TOP/src/lapack
make clean;make
cd $NWCHEM_TOP/src/blas
make clean;make
cd $NWCHEM_TOP/src/64to32blas
make clean;make
cd $NWCHEM_TOP/src
make link