Add custom MASA (#315)

* Add custom MASA.

* Inherit class.

Author: jrood-nrel

repos/spack_repo/exawind/packages/masa/package.py

@@ -0,0 +1,23 @@
+# Copyright (c) 2022, National Technology & Engineering Solutions of Sandia,
+# LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S.
+# Government retains certain rights in this software.
+#
+# This software is released under the BSD 3-clause license. See LICENSE file
+# for more details.
+
+from spack_repo.builtin.packages.masa.package import Masa as bMasa
+from spack.package import *
+
+class Masa(bMasa):
+    def configure_args(self):
+        options = super(Masa, self).configure_args()
+        return options
+
+    def setup_build_environment(self, env: EnvironmentModifications) -> None:
+        super().setup_build_environment(env)
+        # Unfortunately can't use this because MASA overwrites it
+        # env.set('CXXFLAGS', self.compiler.cxx11_flag)
+        env.set("CXX", "{0} {1}".format(self.compiler.cxx, self.compiler.cxx11_flag))
+        if self.spec.satisfies("%apple-clang"):
+            env.set("CXX", "{0} {1} {2}".format(self.compiler.cxx, self.compiler.cxx11_flag, "-lstdc++"))
+            env.set("CFLAGS", "-Wno-implicit-function-declaration")