From 058ae3f0fd6ed2c27d4a64858959ead7a6844f80 Mon Sep 17 00:00:00 2001
From: Steven Smith <smith84@llnl.gov>
Date: Wed, 16 Jun 2021 05:56:36 -0700
Subject: ParFlow: add new package (#24331)

---
 .../repos/builtin/packages/parflow/package.py      | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 var/spack/repos/builtin/packages/parflow/package.py

diff --git a/var/spack/repos/builtin/packages/parflow/package.py b/var/spack/repos/builtin/packages/parflow/package.py
new file mode 100644
index 0000000000..c4040859ad
--- /dev/null
+++ b/var/spack/repos/builtin/packages/parflow/package.py
@@ -0,0 +1,81 @@
+# Copyright 2013-2021 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 *
+import os
+
+
+class Parflow(CMakePackage):
+    """ParFlow is an open-source parallel watershed simulator which
+    includes overland flow, complex topology, heterogeneity and coupled
+    land-surface processes."""
+
+    homepage = "https://www.parflow.org/"
+    url      = "https://github.com/parflow/parflow/archive/v3.9.0.tar.gz"
+    git      = "https://github.com/parflow/parflow.git"
+
+    maintainers = ['smithsg84']
+
+    version('develop', branch='master')
+    version('3.9.0', sha256='0ac610208baf973ac07ca93187ec289ba3f6e904d3f01d721ee96a2ace0f5e48')
+    version('3.8.0', sha256='5ad01457bb03265d1e221090450e3bac5a680d6290db7e3872c295ce6d6aaa08')
+
+    variant('mpi', default=True, description='Enable MPI support')
+
+    # Using explicit versions to keep builds consistent
+    depends_on('tcl@8.6.11')
+    depends_on('mpi@3.0.0', when='+mpi')
+    depends_on('hdf5@1.10.7 +mpi', when='+mpi')
+    depends_on('netcdf-c@4.5.0')
+    depends_on('silo@4.10.2 -hzip -fpzip')
+    depends_on('hypre@2.20.0')
+
+    parallel = False
+
+    def cmake_args(self):
+        """Populate cmake arguments for ParFlow."""
+        spec = self.spec
+
+        cmake_args = [
+            '-DCMAKE_BUILD_TYPE=Release',
+            '-DPARFLOW_AMPS_LAYER=mpi1',
+            '-DPARFLOW_HAVE_CLM=TRUE',
+            '-DTCL_TCLSH={0}'.format(spec['tcl'].prefix.bin.tclsh),
+            '-DTCL_LIBRARY={0}'.format(LibraryList(find_libraries('libtcl*',
+                                       self.spec['tcl'].prefix,
+                                       shared=True, recursive=True))),
+            '-DHDF5_ROOT={0}'.format(spec['hdf5'].prefix),
+            '-DSILO_ROOT={0}'.format(spec['silo'].prefix),
+            '-DHYPRE_ROOT={0}'.format(spec['hypre'].prefix),
+            '-DPARFLOW_ENABLE_NETCDF=TRUE',
+            '-DNETCDF_DIR={0}'.format(spec['netcdf-c'].prefix),
+        ]
+
+        return cmake_args
+
+    def setup_run_environment(self, env):
+        """Setup the run environment for ParFlow package."""
+        # ParFlow requires a PARFLOW_DIR env variable for correct execution
+        env.set('PARFLOW_DIR', self.spec.prefix)
+
+    examples_dir = "examples"
+
+    def test(self):
+        """Perform smoke test on installed ParFlow package."""
+        # Run the single phase flow test
+        run_path = join_path(self.spec.prefix, self.examples_dir)
+        if os.path.isdir(run_path):
+            with working_dir(run_path):
+                self.run_test(
+                    '{0}/tclsh'.format(self.spec['tcl'].prefix.bin),
+                    ['default_single.tcl', '1', '1' '1'])
+        else:
+            # If examples are not installed test if exe executes
+            exes = ['parflow']
+            for exe in exes:
+                reason = 'test version of {0} is {1}'.format(exe,
+                                                             self.spec.version)
+                self.run_test(exe, ['-v'], [self.spec.version.string],
+                              installed=True, purpose=reason)
-- 
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