failure on the following sequence.
/usr/bin/make -C /home/caz/wrfv3 -j4 flying_field=ephrata clean
/usr/bin/make -C /home/caz/wrfv3 -j4 flying_field=ephrata wps
/usr/bin/make -C /home/caz/wrfv3 -j4 flying_field=ephrata clean
/usr/bin/make -C /home/caz/wrfv3 -j4 flying_field=ephrata wps