systemc: new package (#25761)

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

@@ -0,0 +1,28 @@
+# 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 Systemc(CMakePackage):
+    """SystemC: System level modeling, design exploration, performance modeling,
+    and more."""
+
+    homepage = "https://www.accellera.org/downloads/standards/systemc"
+    url      = "https://accellera.org/images/downloads/standards/systemc/systemc-2.3.3.tar.gz"
+
+    maintainers = ['nicmcd']
+
+    version('2.3.3', sha256='5781b9a351e5afedabc37d145e5f7edec08f3fd5de00ffeb8fa1f3086b1f7b3f')
+
+    variant('cxxstd', values=('11', '14', '17', '20'), default='11',
+            description="C++ standard used during compilation")
+
+    def cmake_args(self):
+        cxxstd = self.spec.variants['cxxstd'].value
+        return [
+            self.define('CMAKE_CXX_STANDARD', cxxstd),
+            self.define('CMAKE_CXX_STANDARD_REQUIRED', 'TRUE'),
+        ]