New ExaCA package (#31777)

var/spack/repos/builtin/packages/exaca/package.py

@@ -0,0 +1,43 @@
+# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+from spack.pkg.builtin.kokkos import Kokkos
+
+
+class Exaca(CMakePackage):
+    """ExaCA: an exascale cellular automata application for alloy solidification modeling
+    """
+    homepage = "https://github.com/LLNL/ExaCA"
+    git      = "https://github.com/LLNL/ExaCA.git"
+    url      = "https://github.com/LLNL/ExaCA/archive/1.0.0.tar.gz"
+
+    maintainers = ["streeve", "MattRolchigo"]
+
+    tags = ['ecp']
+
+    version('master', branch='master')
+    version('1.0.0', sha256='48556233360a5e15e1fc20849e57dd60739c1991c7dfc7e6b2956af06688b96a')
+
+    _kokkos_backends = Kokkos.devices_variants
+    for _backend in _kokkos_backends:
+        _deflt, _descr = _kokkos_backends[_backend]
+        variant(_backend.lower(), default=_deflt, description=_descr)
+
+    variant('shared', default=True, description='Build shared libraries')
+    variant('testing', default=False, description='Build unit tests')
+
+    depends_on("cmake@3.9:", type='build')
+    depends_on("googletest@1.10:", type='build', when="@master+testing")
+    depends_on('kokkos@3.0:')
+    depends_on('mpi')
+
+    def cmake_args(self):
+        options = [self.define_from_variant('BUILD_SHARED_LIBS', 'shared')]
+
+        if self.spec.satisfies('@master'):
+            options += [self.define_from_variant('ExaCA_ENABLE_TESTING', 'testing')]
+
+        return options