Adding nektar++ package (#8167)

* Adding nektar++ package

* - -> ~ and add explicit conflict with metis

* Add messages explaing nektar's conflicts

1 files changed, 75 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/nektar/package.py b/var/spack/repos/builtin/packages/nektar/package.py
new file mode 100644
index 0000000000..1c09397883
--- /dev/null
+++ b/var/spack/repos/builtin/packages/nektar/package.py
@@ -0,0 +1,75 @@
+#############################################################################
+# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/spack/spack
+# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+
+
+class Nektar(CMakePackage):
+    """Nektar++: Spectral/hp Element Framework"""
+
+    homepage = "https://www.nektar.info/"
+    url      = "https://gitlab.nektar.info/nektar/nektar/-/archive/v4.4.1/nektar-v4.4.1.tar.bz2"
+
+    version('4.4.1', '1be7d061c3cafd9a0f1eb8d281d99b89')
+
+    variant('mpi', default=True, description='Builds with mpi support')
+    variant('fftw', default=True, description='Builds with fftw support')
+    variant('arpack', default=True, description='Builds with arpack support')
+    variant('hdf5', default=True, description='Builds with hdf5 support')
+    variant('scotch', default=False,
+            description='Builds with scotch partitioning support')
+
+    depends_on('cmake@2.8.8:', type='build', when="~hdf5")
+    depends_on('cmake@3.2:', type='build', when="+hdf5")
+
+    depends_on('blas')
+    depends_on('lapack')
+    depends_on('boost@1.56.0: +iostreams')
+    depends_on('tinyxml', when='platform=darwin')
+
+    depends_on('mpi', when='+mpi')
+    depends_on('fftw@3.0: +mpi', when="+mpi+fftw")
+    depends_on('fftw@3.0: ~mpi', when="~mpi+fftw")
+    depends_on('arpack-ng +mpi', when="+arpack+mpi")
+    depends_on('arpack-ng ~mpi', when="+arpack~mpi")
+    depends_on('hdf5 +mpi +hl', when="+mpi+hdf5")
+    depends_on('scotch ~mpi ~metis', when="~mpi+scotch")
+    depends_on('scotch +mpi ~metis', when="+mpi+scotch")
+
+    conflicts("+hdf5", when="~mpi",
+              msg="Nektar's hdf5 output is for parallel builds only")
+
+    def cmake_args(self):
+        args = []
+
+        def hasfeature(feature):
+            return 'ON' if feature in self.spec else 'OFF'
+
+        args.append('-DNEKTAR_USE_MPI=%s' % hasfeature('+mpi'))
+        args.append('-DNEKTAR_USE_FFTW=%s' % hasfeature('+fftw'))
+        args.append('-DNEKTAR_USE_ARPACK=%s' % hasfeature('+arpack'))
+        args.append('-DNEKTAR_USE_HDF5=%s' % hasfeature('+hdf5'))
+        args.append('-DNEKTAR_USE_SCOTCH=%s' % hasfeature('+scotch'))
+        args.append('-DNEKTAR_USE_PETSC=OFF')
+        return args