message: [XLA] Query whether to enable XLA support on MacOS with no as a default
diff: @@ -1566,7 +1566,6 @@ def main():
  if is_macos():
  environ_cp['TF_NEED_TENSORRT'] = '0'
  - environ_cp['TF_ENABLE_XLA'] = '0'
  # The numpy package on ppc64le uses OpenBLAS which has multi-threading
  # issues that lead to incorrect answers. Set OMP_NUM_THREADS=1 at
  @@ -1577,8 +1576,9 @@ def main():
  set_build_var(environ_cp, 'TF_NEED_IGNITE', 'Apache Ignite',
  'with_ignite_support', True, 'ignite')
  + xla_enabled_by_default = is_linux()
  set_build_var(environ_cp, 'TF_ENABLE_XLA', 'XLA JIT', 'with_xla_support',
  - True, 'xla')
  + xla_enabled_by_default, 'xla')
  set_action_env_var(environ_cp, 'TF_NEED_OPENCL_SYCL', 'OpenCL SYCL', False)
  if environ_cp.get('TF_NEED_OPENCL_SYCL') == '1':
  