add affinity package (#48589)

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

@@ -0,0 +1,25 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Affinity(CMakePackage, CudaPackage):
+    """Simple applications for determining Linux thread and gpu affinity."""
+
+    homepage = "https://github.com/bcumming/affinity"
+    git = "https://github.com/bcumming/affinity.git"
+    version("master", branch="master")
+
+    maintainers("bcumming", "nhanford")
+
+    license("BSD-3-Clause", checked_by="nhanford")
+
+    variant("mpi", default=False, description="Build MPI support")
+    variant("rocm", default=False, description="Build ROCm Support")
+
+    depends_on("mpi", when="+mpi")
+    depends_on("hip", when="+rocm")
+    depends_on("mpi", when="+mpi")
+    depends_on("mpi", when="+cuda")