old_contents: # 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 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')
          ]
  
      def install(self, spec, prefix):
          install_tree(str(self.stage.source_path), prefix)
          # create a bin directory for executable "xgboost" which is possibly
          # used in functional testing of the compilation target "libxgboost"
          mkdirp(prefix.bin)
          install('xgboost', prefix.bin)
  
new_contents: # 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 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"
      git      = "https://github.com/dmlc/xgboost.git"
  
      version('0.90', tag='v0.90', submodules=True)
      version('0.81', sha256='9d8ff161699111d45c96bd15229aa6d80eb1cab7cbbef7e8eaa60ccfb5a4f806')
  
      def cmake_args(self):
          return [
              '-DUSE_CUDA={0}'.format('YES' if '+cuda' in self.spec else 'NO')
          ]
  
      def install(self, spec, prefix):
          install_tree(str(self.stage.source_path), prefix)
          # create a bin directory for executable "xgboost" which is possibly
          # used in functional testing of the compilation target "libxgboost"
          mkdirp(prefix.bin)
          install('xgboost', prefix.bin)
  
subject: add version 0.90 (#15321)