Add SpFFT: sparse 3D FFT library (#13458)

* Add SpFFT: sparse 3D FFT library

SpFFT is required as a dependency for SIRIUS

* cleanup

* add missing dependency

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

@@ -0,0 +1,44 @@
+# 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 *
+
+
+class Spfft(CMakePackage):
+    """Sparse 3D FFT library with MPI, OpenMP, CUDA and ROCm support."""
+
+    homepage = "https://github.com/eth-cscs/SpFFT"
+    url      = "https://github.com/eth-cscs/SpFFT/archive/v0.9.8.zip"
+
+    version('0.9.8', sha256='f49fa51316bbfa68309e951d2375e1f6904120c93868cbe13bc2974c0b801a3f')
+
+    variant('openmp', default=True, description="Build with OpenMP support")
+    variant('mpi', default=True, description="enable MPI")
+    variant('single_precision', default=False, description="Sinlge precision")
+    variant('gpu_direct', default=False, description="GPU aware MPI")
+    variant('static', default=False, description="build static library")
+    variant('cuda', default=False, description="CUDA")
+    variant('build_type', default='Release', description='CMake build type',
+            values=('Debug', 'Release', 'RelWithDebInfo'))
+    depends_on('fftw')
+    depends_on('mpi', when='+mpi')
+    depends_on('cuda', when='+cuda')
+
+    def cmake_args(self):
+        args = []
+        if self.spec.satisfies('+openmp'):
+            args += ["-DSPFFT_OMP=On"]
+        if self.spec.satisfies('+mpi'):
+            args += ["-DSPFFT_MPI=On"]
+        if self.spec.satisfies('+single_precision'):
+            args += ["-DSPFFT_SINGLE_PRECISION=On"]
+        if self.spec.satisfies('+gpu_direct'):
+            args += ["-DSPFFT_GPU_DIRECT=On"]
+        if self.spec.satisfies('+cuda'):
+            args += ["-DSPFFT_BACKEND=CUDA"]
+        if self.spec.satisfies('+cuda'):
+            args += ["-DSPFFT_BACKEND=CUDA"]
+        return args