Spack package for UM vn7.3

packages/um7/package.py

@@ -0,0 +1,104 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# Copyright 2024 ACCESS-NRI
+# Based on https://github.com/nci/spack-repo/blob/main/packages/um/package.py
+# and https://github.com/coecms/access-esm-build-gadi
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+from spack.package import *
+
+import os
+import os.path
+
+class Um7(Package):
+    """
+    UM is a numerical weather prediction and climate modelling software package.
+    Um7 is a package for UM vn7.3 for ACCESS ESM 1.5
+    """
+
+    homepage = "https://code.metoffice.gov.uk/trac/um"
+    git = "[email protected]:ACCESS-NRI/UM_v7.git"
+
+    # https://code.metoffice.gov.uk/trac/um/wiki/PastReleases
+    version("7.3")
+
+    maintainers("penguian")
+
+    depends_on("dummygrib", type=("build", "link"))
+    depends_on("fcm", type="build")
+    depends_on("gcom4+mpi", type=("build", "link"))
+    depends_on("mpi", type=("build", "run"))
+    depends_on("netcdf-fortran", type=("build", "link"))
+    depends_on("[email protected]", type=("build", "link"))
+
+    variant("omp", default=True, description="Use OpenMP")
+    variant("netcdf", default=True, description="NetCDF")
+    variant("opt", default="high", description="Optimization level",
+            values=("high", "debug"), multi=False)
+
+
+    def setup_build_environment(self, env):
+        env.prepend_path("PATH", self.spec["fcm"].prefix.bin)
+        env.prepend_path("CPATH", self.spec["gcom4"].prefix.include)
+        env.prepend_path("CPATH", self.spec["netcdf-c"].prefix.include)
+        env.prepend_path("CPATH", self.spec["netcdf-fortran"].prefix.include)
+        env.prepend_path("CPATH", self.spec["oasis3-mct"].prefix.include)
+        oasis3_mct_includes = []
+        for header in self.spec["oasis3-mct"].headers:
+            include = os.path.dirname(header)
+            if include not in oasis3_mct_includes:
+                oasis3_mct_includes.append(include)
+                env.prepend_path("CPATH", include)
+        env.prepend_path("LIBRARY_PATH", self.spec["dummygrib"].prefix.lib)
+        env.prepend_path("LIBRARY_PATH", self.spec["gcom4"].prefix.lib)
+        env.prepend_path("LIBRARY_PATH", self.spec["netcdf-c"].prefix.lib)
+        env.prepend_path("LIBRARY_PATH", self.spec["netcdf-fortran"].prefix.lib)
+        env.prepend_path("LIBRARY_PATH", self.spec["oasis3-mct"].prefix.lib)
+
+
+    def setup_run_environment(self, env):
+        env.prepend_path("LD_LIBRARY_PATH", self.spec["netcdf-c"].prefix.lib)
+        env.prepend_path("LD_LIBRARY_PATH", self.spec["netcdf-fortran"].prefix.lib)
+
+
+    def install(self, spec, prefix):
+
+        boolstr = lambda b: "true" if b else "false"
+
+        fcm = which("fcm")
+
+        if self.compiler.name == "intel":
+            env["platform_config_dir"] = "nci-x86-ifort"
+        else:
+            raise NotImplentedError("Unknown compiler")
+
+        opt_value = spec.variants["opt"].value
+        env["optimisation_level"] = opt_value
+
+        env["openmp"] = boolstr("~omp" in spec)
+        env["netcdf"] = boolstr("~netcdf" in spec)
+
+        hg = 3  # build HadGEM3 ONLY here
+
+        # Whether to build debug --jhan: adjust path to configs
+        if opt_value == "debug":
+            bld_config = f"bld-dbg-hadgem{hg}-C2.cfg"
+            um_exe = f"um_hg{hg}_dbg.exe"
+        else:
+            bld_config = f"bld-hadgem{hg}-mct.cfg"
+            um_exe = f"um_hg{hg}.exe"
+
+        bld_dir = f"ummodel_hg{hg}"
+        # Build with fcm
+        fcm("build", "-f", "-j", "4",
+            join_path(bld_dir, "cfg", bld_config))
+
+        # Install
+        mkdirp(prefix.bin)
+        install(
+            join_path(bld_dir, "bin", um_exe),
+            join_path(prefix.bin, um_exe))
+