message: Make _check_bazel_version_at_least in workspace.bzl public.
diff: @@ -45,7 +45,7 @@ def _parse_bazel_version(bazel_version):
  version = _extract_version_number(bazel_version)
  return tuple([int(n) for n in version.split(".")])
  -def _check_bazel_version_at_least(minimum_bazel_version):
  +def check_bazel_version_at_least(minimum_bazel_version):
  if "bazel_version" not in dir(native):
  fail("\nCurrent Bazel version is lower than 0.2.1, expected at least %s\n" % minimum_bazel_version)
  elif not native.bazel_version:
  @@ -64,7 +64,7 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
  # We must check the bazel version before trying to parse any other BUILD
  # files, in case the parsing of those build files depends on the bazel
  # version we require here.
  - _check_bazel_version_at_least("0.5.4")
  + check_bazel_version_at_least("0.5.4")
  cuda_configure(name="local_config_cuda")
  git_configure(name="local_config_git")
  sycl_configure(name="local_config_sycl")
  