from 'adjustment.128x64x1/Makefile_head', extract:
# executed by:
#    tg-ce107@s15c2b1:/tmp/tg-ce107/testing-ppc64/MITgcm/verification/adjustment.128x64x1/build
OPTFILE="/N/u/tg-ce107/BigRed/linux_ppc64_xlf_bigred+mpi"