Looks like it needs to point to a protobuf from a different repo

[elbamos]

ERROR: /Volumes/ShareData/LIBRARIES/tensorflow-gpu-macosx/tensorflow/tools/pip_package/BUILD:166:1: error loading package 'tensorflow': Encountered error while reading extension file 'protobuf.bzl': no such package '@protobuf_archive//': java.io.IOException: Error downloading [https://mirror.bazel.build/github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz, https://github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz] to /private/var/tmp/_bazel_aelberg/d4bfb26399763de5ac9d41d60a1a3813/external/protobuf_archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz: All mirrors are down: [GET returned 404 Not Found] and referenced by '//tensorflow/tools/pip_package:build_pip_package'
ERROR: /Volumes/ShareData/LIBRARIES/tensorflow-gpu-macosx/tensorflow/tools/pip_package/BUILD:166:1: error loading package 'tensorflow': Encountered error while reading extension file 'protobuf.bzl': no such package '@protobuf_archive//': java.io.IOException: Error downloading [https://mirror.bazel.build/github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz, https://github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz] to /private/var/tmp/_bazel_aelberg/d4bfb26399763de5ac9d41d60a1a3813/external/protobuf_archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz: All mirrors are down: [GET returned 404 Not Found] and referenced by '//tensorflow/tools/pip_package:build_pip_package'
ERROR: Analysis of target '//tensorflow/tools/pip_package:build_pip_package' failed; build aborted: error loading package 'tensorflow': Encountered error while reading extension file 'protobuf.bzl': no such package '@protobuf_archive//': java.io.IOException: Error downloading [https://mirror.bazel.build/github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz, https://github.com/dtrebbien/protobuf/archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz] to /private/var/tmp/_bazel_aelberg/d4bfb26399763de5ac9d41d60a1a3813/external/protobuf_archive/50f552646ba1de79e07562b41f3999fe036b4fd0.tar.gz: All mirrors are down: [GET returned 404 Not Found]
INFO: Elapsed time: 2.439s

[dkloving]

I also experience this issue.

[xPi2]

How did you solved it?

[lizhuoch]

use TomHeaven repo