new package: pktools (#12611)

* new package: pktools

* rename and enable utilities

* enable build with FANN

* add variants, dependencies

* expcitly turn off options when not in use

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

@@ -0,0 +1,42 @@
+# 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 Pktools(CMakePackage):
+    """Processing Kernel for geospatial data"""
+
+    homepage = "http://pktools.nongnu.org/html/index.html"
+    url      = "http://download.savannah.gnu.org/releases/pktools/pktools-2.6.7.tar.gz"
+
+    version('2.6.7.1', sha256='519b6a500ce3c5ef3793c1cda1f5377f13b7d7591b5ccc376b2bd1de4bd4f7e5')
+    version('2.6.7',   sha256='f566647e93037cc01cebfe17ea554d798177fe5081887c70223dcca817f4fe7f')
+
+    variant('fann', default=True, description='Build with libfann to enable related programs')
+    variant('liblas', default=False, description='Build with libLAS support')
+
+    depends_on('gdal')
+    depends_on('gsl')
+    depends_on('armadillo')
+    depends_on('nlopt')
+    depends_on('boost')
+    depends_on('fann', when='+fann')
+    depends_on('liblas', when='+liblas')
+
+    def cmake_args(self):
+        args = []
+        args.append('-DCMAKE_CXX_STANDARD=11')
+        args.append('-DPKTOOLS_WITH_UTILITIES=ON')
+        if '+fann' in self.spec:
+            args.append('-DBUILD_WITH_FANN=ON')
+        else:
+            args.append('-DBUILD_WITH_FANN=OFF')
+        if '+liblas' in self.spec:
+            args.append('-DBUILD_WITH_LIBLAS=ON')
+        else:
+            args.append('-DBUILD_WITH_LIBLAS=OFF')
+        return args