Thu Aug 20 17:13:05 PDT 2020 - In file included from /Volumes/BuildData/tmpfs/src/github/grpc/workspace_objc_macos_opt_native/test/cpp/ios/RemoteTestClientCpp/src/proto/grpc/testing/echo_messages.grpc.pb.cc:5:
Thu Aug 20 17:13:05 PDT 2020 - In file included from /Volumes/BuildData/tmpfs/src/github/grpc/workspace_objc_macos_opt_native/test/cpp/ios/Pods/Headers/Private/RemoteTestCpp/src/proto/grpc/testing/echo_messages.pb.h:23:
Thu Aug 20 17:13:05 PDT 2020 - In file included from /Volumes/BuildData/tmpfs/src/github/grpc/workspace_objc_macos_opt_native/test/cpp/ios/Pods/Headers/Public/Protobuf-C++/google/protobuf/io/coded_stream.h:143:
Thu Aug 20 17:13:05 PDT 2020 - In file included from /Volumes/BuildData/tmpfs/src/github/grpc/workspace_objc_macos_opt_native/test/cpp/ios/Pods/Headers/Public/Protobuf-C++/google/protobuf/stubs/strutil.h:37:
Thu Aug 20 17:13:05 PDT 2020 - /Volumes/BuildData/tmpfs/src/github/grpc/workspace_objc_macos_opt_native/test/cpp/ios/Pods/Headers/Public/Protobuf-C++/google/protobuf/stubs/stringpiece.h:152:10: fatal error: 'google/protobuf/stubs/hash.h' file not found
Thu Aug 20 17:13:05 PDT 2020 - #include <google/protobuf/stubs/hash.h>
Thu Aug 20 17:13:05 PDT 2020 -          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Thu Aug 20 17:13:05 PDT 2020 - 1 error generated.