heffte: initial commit (#14744)

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

@@ -0,0 +1,31 @@
+# Copyright 2013-2020 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 Heffte(CMakePackage):
+    """Highly Efficient FFT for Exascale"""
+
+    homepage = "https://bitbucket.org/icl/heffte"
+    url      = "https://bitbucket.org/icl/heffte/get/v0.1.tar.gz"
+    git      = "https://bitbucket.org/icl/heffte.git"
+
+    version('master', branch='master')
+    version('0.1', sha256='d279a03298d2dc76574b1ae1031acb4ea964348cf359273d1afa4668b5bfe748')
+
+    variant('cuda', default=False, description='Builds with support for GPUs via CUDA')
+
+    depends_on('fftw')
+    depends_on('mpi')
+    depends_on('cuda', when="+cuda")
+
+    def cmake_args(self):
+        args = ['-DBUILD_SHARED=ON']
+        if '+cuda' in self.spec:
+            args.append('-DBUILD_GPU=ON')
+        else:
+            args.append('-DBUILD_GPU=OFF')
+        return args