h5cpp: New package (#14501)

var/spack/repos/builtin/packages/h5cpp/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 H5cpp(CMakePackage):
+    """Easy to use HDF5 C++ templates for Serial and Paralell HDF5"""
+
+    homepage = "http://h5cpp.org"
+    # url      = "https://github.com/steven-varga/h5cpp"
+    git      = "https://github.com/steven-varga/h5cpp.git"
+
+    maintainers = ['eschnett']
+
+    version('master',  branch='master')
+
+    variant('mpi', default=True, description='Include MPI support')
+
+    depends_on('cmake @3.10:', type='build')
+    depends_on('hdf5 @1.10.4:')
+    depends_on('hdf5 +mpi', when='+mpi')
+    depends_on('mpi', when='+mpi')
+
+    def cmake_args(self):
+        return ['-DH5CPP_BUILD_TESTS=OFF']