message: Mark all targets under cc/tensorflow with 'tags = ["manual"]'
  so that 'bazel build cc/...' doesn't build TensorFlow.
diff: @@ -54,6 +54,7 @@ sh_binary(
  "@org_tensorflow//tensorflow:libtensorflow_framework.so",
  "@org_tensorflow//third_party/eigen3:eigen_third_party_header_files",
  ],
  + tags = ["manual"],
  visibility = ["//visibility:public"],
  )
  @@ -63,6 +64,7 @@ alias(
  "//cc/config:enable_tpu": "@local_config_tensorflow//:lib/libgrpc_runtime.so",
  "//conditions:default": "@local_config_tensorflow//:lib/libtensorflow_cc.so",
  }),
  + tags = ["manual"],
  )
  alias(
  @@ -71,6 +73,7 @@ alias(
  "//cc/config:enable_tpu": "@org_tensorflow//tensorflow/core/distributed_runtime/rpc:grpc_runtime",
  "//conditions:default": "@org_tensorflow//tensorflow/core:tensorflow",
  }),
  + tags = ["manual"],
  )
  check(
  @@ -82,6 +85,7 @@ check(
  cc_binary(
  name = "libgrpc_runtime.so",
  + tags = ["manual"],
  linkshared = True,
  linkstatic = True,
  deps = [
  @@ -91,6 +95,7 @@ cc_binary(
  cc_binary(
  name = "libtensorflow_lite.so",
  + tags = ["manual"],
  linkshared = True,
  linkstatic = True,
  deps = [
  @@ -101,6 +106,7 @@ cc_binary(
  transitive_hdrs(
  name = "tensorflow_hdrs",
  + tags = ["manual"],
  deps = [
  ":libtensorflow_lite.so",
  "@eigen_archive//:eigen",
  