Add back the intel classic build module for hercules.

Fixes ufs-community#879.

modulefiles/build.hercules.intel.lua

@@ -0,0 +1,62 @@
+help([[
+Load environment to compile UFS_UTILS on Hercules using Intel Classic
+]])
+
+prepend_path("MODULEPATH", "/work/noaa/epic/role-epic/spack-stack/hercules/spack-stack-1.6.0/envs/unified-env/install/modulefiles/Core")
+
+stack_intel_ver=os.getenv("stack_intel_ver") or "2021.9.0"
+load(pathJoin("stack-intel", stack_intel_ver))
+
+stack_impi_ver=os.getenv("stack_impi_ver") or "2021.9.0"
+load(pathJoin("stack-intel-oneapi-mpi", stack_impi_ver))
+
+cmake_ver=os.getenv("cmake_ver") or "3.23.1"
+load(pathJoin("cmake", cmake_ver))
+
+bacio_ver=os.getenv("bacio_ver") or "2.4.1"
+load(pathJoin("bacio", bacio_ver))
+
+g2_ver=os.getenv("g2_ver") or "3.4.5"
+load(pathJoin("g2", g2_ver))
+
+ip_ver=os.getenv("ip_ver") or "4.3.0"
+load(pathJoin("ip", ip_ver))
+
+nemsio_ver=os.getenv("nemsio_ver") or "2.5.4"
+load(pathJoin("nemsio", nemsio_ver))
+
+sp_ver=os.getenv("sp_ver") or "2.5.0"
+load(pathJoin("sp", sp_ver))
+
+w3emc_ver=os.getenv("w3emc_ver") or "2.10.0"
+load(pathJoin("w3emc", w3emc_ver))
+
+-- Uncomment when CHGRES_ALL is ON
+--sfcio_ver=os.getenv("sfcio_ver") or "1.4.1"
+--load(pathJoin("sfcio", sfcio_ver))
+
+sigio_ver=os.getenv("sigio_ver") or "2.3.2"
+load(pathJoin("sigio", sigio_ver))
+
+zlib_ver=os.getenv("zlib_ver") or "1.2.13"
+load(pathJoin("zlib", zlib_ver))
+
+png_ver=os.getenv("png_ver") or "1.6.37"
+load(pathJoin("libpng", png_ver))
+
+netcdf_c_ver=os.getenv("netcdf_c_ver") or "4.9.2"
+load(pathJoin("netcdf-c", netcdf_c_ver))
+
+netcdf_fortran_ver=os.getenv("netcdf_fortran_ver") or "4.6.1"
+load(pathJoin("netcdf-fortran", netcdf_fortran_ver))
+
+nccmp_ver=os.getenv("nccmp_ver") or "1.9.0.1"
+load(pathJoin("nccmp", nccmp_ver))
+
+esmf_ver=os.getenv("esmf_ver") or "8.6.0"
+load(pathJoin("esmf", esmf_ver))
+
+nco_ver=os.getenv("nco_ver") or "5.0.6"
+load(pathJoin("nco", nco_ver))
+
+whatis("Description: UFS_UTILS build environment")