new package: mutationpp (#11705)

* new package: mutationpp

* Update package.py

* flake8: correct package.py for flake8-python-style

* Update package.py

* modifications as requested by reviewer for #11705

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

@@ -0,0 +1,50 @@
+# Copyright 2013-2019 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 *
+import os
+
+
+class Mutationpp(CMakePackage):
+    """Mutation++ is an open-source library originally developed
+    at the von Karman Institute for Fluid Dynamics, designed to
+    couple with conventional computational fluid dynamics codes
+    to provide thermodynamic, transport, chemistry, and energy
+    transfer properties associated with subsonic to hypersonic flows."""
+
+    homepage = "https://github.com/mutationpp/Mutationpp"
+    url      = "https://github.com/mutationpp/Mutationpp/archive/v0.3.1.tar.gz"
+
+    version('0.3.1', 'a6da2816e145ac9fcfbd8920595b7f65ce7bc8df0bec572b32647720758cbe69')
+
+    variant('fortran', default=True, description='Enable Fortran interface')
+    variant('data', default=True, description='Install default model data')
+    variant('examples', default=True, description='Install examples')
+
+    def cmake_args(self):
+        args = []
+        if '+fortran' in self.spec:
+            args.append('-DBUILD_FORTRAN_WRAPPER=ON')
+        return args
+
+    @run_after('install')
+    def install_data(self):
+        if '+data' in self.spec and os.path.isdir('data'):
+            install_tree('data', self.prefix.data)
+
+    @run_after('install')
+    def install_examples(self):
+        if '+examples' in self.spec and os.path.isdir('examples'):
+            install_tree('examples', self.prefix.examples)
+
+    def setup_environment(self, spack_env, run_env):
+        run_env.set('MPP_DIRECTORY', self.prefix)
+        if os.path.isdir(self.prefix.data):
+            run_env.set('MPP_DATA_DIRECTORY', self.prefix.data)
+
+    def setup_dependent_environment(self, spack_env, run_env):
+        spack_env.set('MPP_DIRECTORY', self.prefix)
+        if os.path.isdir(self.prefix.data):
+            spack_env.set('MPP_DATA_DIRECTORY', self.prefix.data)