Add a DD4hep package (#9208)

var/spack/repos/builtin/packages/dd4hep/package.py

@@ -0,0 +1,43 @@
+# Copyright 2013-2018 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 import *
+
+
+class Dd4hep(CMakePackage):
+    """DD4hep is a software framework for providing a complete solution for
+       full detector description (geometry, materials, visualization, readout,
+       alignment, calibration, etc.) for the full experiment life cycle
+       (detector concept development, detector optimization, construction,
+       operation). It offers a consistent description through a single source
+       of detector information for simulation, reconstruction, analysis, etc.
+       It distributed under the LGPLv3 License."""
+
+    homepage = "https://dd4hep.web.cern.ch/dd4hep/"
+    git      = "https://github.com/AIDASoft/DD4hep.git"
+
+    version('develop', branch='master')
+    version('1.10.0',  commit='9835d1813c07d9d5850d1e68276c0171d1726801')
+
+    variant('xercesc', default=False, description="Enable 'Detector Builders' based on XercesC")
+    variant('geant4', default=False, description="Enable the simulation part based on Geant4")
+    variant('testing', default=False, description="Enable and build tests")
+
+    depends_on('cmake @3.3:', type='build')
+    depends_on('root @6.08: +gdml +opengl +x')
+    depends_on('boost @1.49:')
+    depends_on('xerces-c', when='+xercesc')
+    depends_on('geant4@10.2.2:', when='+geant4')
+
+    def cmake_args(self):
+        spec = self.spec
+        cxxstd = spec['root'].variants['cxxstd'].value
+        args = [
+            "-DCMAKE_CXX_STANDARD={0}".format(cxxstd),
+            "-DDD4HEP_USE_XERCESC={0}".format(spec.satisfies('+xercesc')),
+            "-DDD4HEP_USE_GEANT4={0}".format(spec.satisfies('+geant4')),
+            "-DBUILD_TESTING={0}".format(spec.satisfies('+testing'))
+        ]
+        return args