Use github.com/kythe/kythe as a bazel dependency

.bazelrc

# Ensure clang is used, by default, over any other C++ installation (e.g. gcc).
build --client_env=CC=clang
# We require C++17, but bazel defaults to C++0x (pre-C++11).
build --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 --client_env=BAZEL_CXXOPTS=-std=c++17

.bazelversion

3.4.1

.gitignore

bazel-*

readme.md

This gist demonstrates usage of github.com/kythe/kythe as a dependency in a bazel-based project

BUILD

# simple target that depends on a kythe indexer (but doesn't use it)
genrule(
    name = "test",
    outs = ["out.txt"],
    cmd = "touch $(location out.txt)",
    tools = [
        "@io_kythe//kythe/cxx/indexer/textproto:textproto_indexer",
    ],
)

WORKSPACE

workspace(
    name = "com_test",
    managed_directories = {"@npm": ["node_modules"]},
)

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")

# http_archive(
#     name = "io_kythe",
#     strip_prefix = "kythe-0.0.48",
#     urls = ["https://github.com/kythe/kythe/archive/v0.0.48.tar.gz"],
# )
git_repository(
    name = "io_kythe",
    branch = "master",
    remote = "https://github.com/kythe/kythe",
)

http_archive(
    name = "bazel_toolchains",
    sha256 = "882fecfc88d3dc528f5c5681d95d730e213e39099abff2e637688a91a9619395",
    strip_prefix = "bazel-toolchains-3.4.0",
    urls = [
        "https://github.com/bazelbuild/bazel-toolchains/releases/download/3.4.0/bazel-toolchains-3.4.0.tar.gz",
        "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/releases/download/3.4.0/bazel-toolchains-3.4.0.tar.gz",
    ],
)

load("@io_kythe//:setup.bzl", "kythe_rule_repositories", "maybe")

kythe_rule_repositories()

# TODO(schroederc): remove this.  This needs to be loaded before loading the
# go_* rules.  Normally, this is done by go_rules_dependencies in external.bzl,
# but because we want to overload some of those dependencies, we need the go_*
# rules before go_rules_dependencies.  Likewise, we can't precisely control
# when loads occur within a Starlark file so we now need to load this
# manually...
load("@io_bazel_rules_go//go/private:repositories.bzl", "go_name_hack")

maybe(
    go_name_hack,
    name = "io_bazel_rules_go_name_hack",
    is_rules_go = False,
)

load("@io_kythe//:external.bzl", "kythe_dependencies")

kythe_dependencies()

load("@io_kythe//tools/build_rules/external_tools:external_tools_configure.bzl", "external_tools_configure")

external_tools_configure()