merge linux_ia32_sunf90+mpi_generic, +mth and linux_ia32_sunf90+mth  into this standard optfile
merge linux_ia32_sunf90+mpi_generic, +mth and linux_ia32_sunf90+mth
 into this standard optfile

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h