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Need rules_cc for abseil and build_bazel_rules_apple for grpc.
| load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") | ||
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| # Build rules for C++ projects. | ||
| http_archive( |
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For what it's worth, I would consider the fact that this dependency had to be added to your WORKSPACE a bug in the abseil-cpp repo. There doesn't appear to be anything stopping them from pulling this out to a deps() macro.
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Please correct me if I'm wrong but my understanding is that this will be required for all C++ projects after bazel 1.0(?) because rules like cc_library will move from native to skylark implementations.
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That may be the case for one hop. But suppose absl CPP requires rules_cc and your repo provides, say, a Golang tool. It's not intuitive to users of the Golang tool that they should have to pull in rules_cc despite never directly using a C++ rule.
This has already happened in the gRPC repo. We have to pull in a Golang-only tool used by Envoy even though we're only -- to my knowledge -- using some of their protos.
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Ditto. opencensus-cpp pulls in e.g. grpc-java, because opencensus-proto depends on it.
As for rules_cc specifically, I think opencensus-cpp will end up using them directly after bazel 1.0.
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| # Used by gRPC. | ||
| http_archive( |
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You shouldn't need this particular http_archive invocation unless for some reason you really want master branch (which, btw, makes your build non-hermetic). You're already getting an instance from your call to grpc_deps(). It's just the load() and apple_rules_dependencies() invocations below that are necessary due to bazelbuild/bazel#1550.
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Thanks! How does #379 look to you?
As for master, we are trying to follow Abseil's "live at head" philosophy. (...on our own master branch; whereas OpenCensus releases pin their deps)
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Need rules_cc for abseil and build_bazel_rules_apple for grpc.