issm: Add the ISSM ice sheet model

This is a fairly simple configuration of ISSM, but it demonstrates
building with Intel compilers and MKL to bring in the PETSc
dependency.

packages/issm/package.py

@@ -0,0 +1,53 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# Copyright 2023 Angus Gibson
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Issm(AutotoolsPackage):
+    """Ice-sheet and Sea-Level System Model"""
+
+    homepage = "https://issm.jpl.nasa.gov/"
+    svn = "https://issm.ess.uci.edu/svn/issm/issm/trunk"
+
+    version("develop")
+
+    depends_on("autoconf", type="build")
+    depends_on("automake", type="build")
+    depends_on("libtool", type="build")
+    depends_on("m4", type="build")
+
+    depends_on("mpi")
+    depends_on("petsc+metis+mumps+scalapack")
+    depends_on("m1qn3")
+
+    def autoreconf(self, spec, prefix):
+        autoreconf("--install", "--verbose", "--force")
+
+    def configure_args(self):
+        args = [
+          "--with-wrappers=no",
+          "--enable-debugging",
+          "--enable-development",
+          "--enable-shared",
+          "--without-kriging",
+        ]
+        args.append("--with-petsc-dir={0}".format(self.spec["petsc"].prefix))
+        args.append("--with-metis-dir={0}".format(self.spec["metis"].prefix))
+        args.append("--with-mumps-dir={0}".format(self.spec["mumps"].prefix))
+        args.append("--with-m1qn3-dir={0}".format(self.spec["m1qn3"].prefix.lib))
+
+        # Even though we set the MPI compilers manually, the build system
+        # wants us to explicitly request an MPI-enabled build by telling
+        # it the MPI include directory.
+        args.append("--with-mpi-include={0}".format(self.spec["mpi"].prefix.include))
+        args.append("CC=" + self.spec["mpi"].mpicc)
+        args.append("CXX=" + self.spec["mpi"].mpicxx)
+        args.append("FC=" + self.spec["mpi"].mpifc)
+        args.append("F77=" + self.spec["mpi"].mpif77)
+
+        return args

packages/m1qn3/m1qn3.patch

@@ -1,3 +1,5 @@
+# Reproduced from externalpackages/m1qn3/patch/m1qn3.f.patch
+# in ISSM Subversion trunk.
 --- src/src/m1qn3.f     2009-10-20 06:39:35.000000000 -0400
 +++ m1qn3.f     2021-08-13 14:44:30.276019165 -0400
 @@ -802,7 +802,7 @@

packages/m1qn3/package.py

@@ -1,6 +1,8 @@
 # Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
+# Copyright 2023 Angus Gibson
+#
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)