from 'global_ocean.cs32x15/build/Makefile', extract:
# executed by:
#    ce107@harbor:/raid6/temp/ce107/tmp/MITgcm/verification/global_ocean.cs32x15/build
 OPTFILE="/raid6/temp/ce107/tmp/MITgcm/tools/build_options/linux_amd64_ifort11+mpi_generic"