xgboost: new package at 0.81 (#9854)

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

@@ -0,0 +1,22 @@
+# Copyright 2013-2018 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 Xgboost(CMakePackage, CudaPackage):
+    """Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM)
+       Library, for Python, R, Java, Scala, C++ and more. Runs on single
+       machine, Hadoop, Spark, Flink and DataFlow"""
+
+    homepage = "https://xgboost.ai/"
+    url      = "https://github.com/dmlc/xgboost/releases/download/v0.81/xgboost-0.81.tar.bz2"
+
+    version('0.81', sha256='9d8ff161699111d45c96bd15229aa6d80eb1cab7cbbef7e8eaa60ccfb5a4f806')
+
+    def cmake_args(self):
+        return [
+            '-DUSE_CUDA={0}'.format('YES' if '+cuda' in self.spec else 'NO')
+        ]