message: Add additional libraries to tf_native_cc_binary.
  In particular this links in pthreads and lm by default on linux.
diff: @@ -629,10 +629,21 @@ register_extension_info(
  def tf_native_cc_binary(
  name,
  copts = tf_copts(),
  + linkopts = [],
  **kwargs):
  native.cc_binary(
  name = name,
  copts = copts,
  + linkopts = select({
  + clean_dep("//tensorflow:windows"): [],
  + clean_dep("//tensorflow:macos"): [
  + "-lm",
  + ],
  + "//conditions:default": [
  + "-lpthread",
  + "-lm",
  + ],
  + }) + linkopts + _rpath_linkopts(name),
  **kwargs
  )
  