Added new package: spla (#17868)

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

+# 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 Spla(CMakePackage):
+    """Specialized Parallel Linear Algebra, providing distributed GEMM
+    functionality for specific matrix distributions with optional GPU
+    acceleration."""
+
+    homepage = "https://github.com/eth-cscs/spla"
+    url      = "https://github.com/eth-cscs/spla/archive/v1.0.0.tar.gz"
+    git = 'https://github.com/eth-cscs/spla.git'
+
+    version('1.0.0', sha256='a0eb269b84d7525b223dc650de12170bba30fbb3ae4f93eb2b5cbdce335e4da1')
+    version('master', branch='master')
+
+    variant('openmp', default=True, description="Build with OpenMP support")
+    variant('static', default=False, description="Build as static library")
+    variant('cuda', default=False, description="CUDA")
+
+    depends_on('mpi')
+    depends_on('blas')
+    depends_on('cuda', when='+cuda')
+    depends_on('cmake@3.10:', type='build')
+
+    def cmake_args(self):
+        args = []
+
+        if '+openmp' in self.spec:
+            args += ["-DSPLA_OMP=ON"]
+        else:
+            args += ["-DSPLA_OMP=OFF"]
+
+        if '+cuda' in self.spec:
+            args += ["-DSPLA_GPU_BACKEND=CUDA"]
+        else:
+            args += ["-DSPLA_GPU_BACKEND=OFF"]
+
+        if '+static' in self.spec:
+            args += ["-DSPLA_STATIC=ON"]
+        else:
+            args += ["-DSPLA_STATIC=OFF"]
+        return args