simsipm: add new package (#24903)

Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>

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

@@ -0,0 +1,38 @@
+# Copyright 2013-2021 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 Simsipm(CMakePackage):
+    """SimSiPM is a simple and easy to use C++ library providing a set of
+       object-oriented tools with all the functionality needed to describe
+       and simulate Silicon PhotonMultipliers (SiPM) sensors."""
+
+    url      = "https://github.com/EdoPro98/SimSiPM/archive/refs/tags/v1.2.4.tar.gz"
+    homepage = "https://github.com/EdoPro98/SimSiPM/"
+    git      = "https://github.com/EdoPro98/SimSiPM.git"
+
+    tags = ['hep']
+
+    maintainers = ['vvolkl']
+
+    version('1.2.4', sha256='1c633bebb19c490b5e6dfa5ada4a6bc7ec36348237c2626d57843a25af923211')
+
+    variant('python', default=False, description="Build pybind11-based python bindings")
+    variant('openmp', default=False, description="Use OpenMP")
+
+    extends('python', when='+python')
+    depends_on('python@3.6:', when="+python", type=('build', 'run'))
+    depends_on('py-pybind11', when="+python", type=('build', 'link'))
+
+    def cmake_args(self):
+        args = [
+            self.define_from_variant("SIPM_BUILD_PYTHON", "python"),
+            self.define_from_variant("SIPM_ENABLE_OPENMP", "openmp"),
+            self.define("SIPM_ENABLE_TEST", self.run_tests),
+
+        ]
+        return args