message: Make GCS and HDFS default build options.
diff: @@ -988,9 +988,9 @@ def main():
  set_build_var(environ_cp, 'TF_NEED_JEMALLOC', 'jemalloc as malloc',
  'with_jemalloc', True)
  set_build_var(environ_cp, 'TF_NEED_GCP', 'Google Cloud Platform',
  - 'with_gcp_support', False, 'gcp')
  + 'with_gcp_support', True, 'gcp')
  set_build_var(environ_cp, 'TF_NEED_HDFS', 'Hadoop File System',
  - 'with_hdfs_support', False, 'hdfs')
  + 'with_hdfs_support', True, 'hdfs')
  set_build_var(environ_cp, 'TF_ENABLE_XLA', 'XLA JIT', 'with_xla_support',
  False, 'xla')
  set_build_var(environ_cp, 'TF_NEED_GDR', 'GDR', 'with_gdr_support',
  