apple clang package

var/spack/repos/builtin/packages/apple-clang/package.py

@@ -0,0 +1,38 @@
+# Copyright 2013-2023 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)
+import os
+
+from spack.package import *
+import spack.compilers.apple_clang
+
+
+class AppleClang(Package):
+    def install(self, spec, prefix):
+        raise NotImplementedError
+
+    executables = [r"^clang\+\+", r"^clang"]
+
+    @classmethod
+    def determine_version(cls, exe):
+        try:
+            output = spack.compiler.get_compiler_version_output(exe, "--version")
+        except Exception:
+            output = ""
+
+        version = spack.compilers.apple_clang.AppleClang.extract_version_from_output(output)
+        if version == "unknown":
+            return None
+        return version
+
+    @classmethod
+    def determine_variants(cls, exes, version_str):
+        compilers = {}
+        for exe in exes:
+            basename = os.path.basename(exe)
+            if basename == "clang":
+                compilers["c"] = exe
+            elif basename == "clang++":
+                compilers["cxx"] = exe
+        return "", {"compilers": compilers}