from 'adjustment.128x64x1/Makefile_head', extract:
# executed by:
#    jahn@compute-2-15.local:/scratch/jahn/src/testreport/MITgcm_ifort/verification/adjustment.128x64x1/build
OPTFILE="/scratch/jahn/src/testreport/MITgcm_ifort/tools/build_options/linux_amd64_ifort_beagle"