Xcode version must be specified to use an Apple CROSSTOOL

ERROR: /private/var/tmp/_bazel_yangyan-ling/2ce5cc8600b6d4faf46244230a6eedc1/external/local_config_cc/BUILD:58:5: in apple_cc_toolchain rule @local_config_cc//:cc-compiler-armeabi-v7a: Xcode version must be specified to use an Apple CROSSTOOL. If your Xcode version has changed recently, try: "bazel clean --expunge" to re-run Xcode configuration
ERROR: Analysis of target '//tensorflow/tools/pip_package:build_pip_package' failed; build aborted: Analysis of target '@local_config_cc//:cc-compiler-armeabi-v7a' failed; build aborted
INFO: Elapsed time: 0.242s
INFO: 0 processes.
FAILED: Build did NOT complete successfully (5 packages loaded, 48 targets configured)
    currently loading: tensorflow/core ... (2 packages)

$ bazel clean --expunge
$ sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
$ sudo xcodebuild -license
$ bazel clean --expunge