Add enough Bazel to build `//rs_bindings_from_cc:rs_bindings_from_cc_impl`
PiperOrigin-RevId: 450512595
diff --git a/WORKSPACE b/WORKSPACE
new file mode 100644
index 0000000..060b2c5
--- /dev/null
+++ b/WORKSPACE
@@ -0,0 +1,122 @@
+# Part of the Crubit project, under the Apache License v2.0 with LLVM
+# Exceptions. See /LICENSE for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+# https://bazelbuild.github.io/rules_rust/#setup
+# https://github.com/bazelbuild/rules_rust/releases/tag/0.3.1
+
+http_archive(
+ name = "rules_rust",
+ sha256 = "e074f1e203607c5fcd549929d956170346f8807d2bbaeb98b2ed213c37e0870f",
+ urls = [
+ "https://mirror.bazel.build/github.com/bazelbuild/rules_rust/releases/download/0.3.1/rules_rust-v0.3.1.tar.gz",
+ "https://github.com/bazelbuild/rules_rust/releases/download/0.3.1/rules_rust-v0.3.1.tar.gz",
+ ],
+)
+
+load("@rules_rust//rust:repositories.bzl", "rules_rust_dependencies", "rust_register_toolchains")
+
+rules_rust_dependencies()
+
+rust_register_toolchains(edition = "2021")
+
+load("@rules_rust//crate_universe:repositories.bzl", "crate_universe_dependencies")
+
+crate_universe_dependencies()
+
+load("@rules_rust//crate_universe:defs.bzl", "crate", "crates_repository", "render_config")
+
+# after changing:
+# CARGO_BAZEL_REPIN=1 bazelisk sync --only=crate_index
+crates_repository(
+ name = "crate_index",
+ lockfile = "//:Cargo.Bazel.lock",
+ packages = {
+ "anyhow": crate.spec(
+ version = ">0.0.0",
+ ),
+ "itertools": crate.spec(
+ version = ">0.0.0",
+ ),
+ "maplit": crate.spec(
+ version = ">0.0.0",
+ ),
+ "memoffset": crate.spec(
+ version = ">0.0.0",
+ ),
+ "pin-project": crate.spec(
+ version = ">0.0.0",
+ ),
+ "proc-macro2": crate.spec(
+ version = ">0.0.0",
+ ),
+ "quote": crate.spec(
+ version = ">0.0.0",
+ ),
+ "serde": crate.spec(
+ features = ["derive"],
+ version = ">0.0.0",
+ ),
+ "serde_json": crate.spec(
+ version = ">0.0.0",
+ ),
+ "syn": crate.spec(
+ features = ["extra-traits"],
+ version = ">0.0.0",
+ ),
+ },
+
+ render_config = render_config(
+ default_package_name = "",
+ ),
+)
+
+load("@crate_index//:defs.bzl", "crate_repositories")
+
+crate_repositories()
+
+# https://github.com/bazelbuild/bazel-skylib/releases/tag/1.2.1
+
+http_archive(
+ name = "bazel_skylib",
+ sha256 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
+ urls = [
+ "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
+ "https://github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz",
+ ],
+)
+
+load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
+
+bazel_skylib_workspace()
+
+# https://abseil.io/docs/cpp/quickstart#set-up-a-bazel-workspace-to-work-with-abseil
+# https://github.com/abseil/abseil-cpp/releases/tag/20211102.0
+
+http_archive(
+ name = "absl",
+ sha256 = "a4567ff02faca671b95e31d315bab18b42b6c6f1a60e91c6ea84e5a2142112c2",
+ strip_prefix = "abseil-cpp-20211102.0",
+ urls = ["https://github.com/abseil/abseil-cpp/archive/refs/tags/20211102.0.zip"],
+)
+
+# https://github.com/llvm/llvm-project/blob/main/utils/bazel/examples/http_archive/WORKSPACE
+# https://github.com/llvm/llvm-project/releases/tag/llvmorg-14.0.0
+
+http_archive(
+ name = "llvm-raw",
+ build_file_content = "# empty",
+ sha256 = "eb7437b60a6f78e7910d08911975f100e99e9c714f069a5487119c7eadc79171",
+ strip_prefix = "llvm-project-llvmorg-14.0.0",
+ urls = ["https://github.com/llvm/llvm-project/archive/refs/tags/llvmorg-14.0.0.zip"],
+)
+
+load("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure", "llvm_disable_optional_support_deps")
+
+# this *must* be llvm-project, it's hardcoded in the Bazel build
+# e.g. https://github.com/llvm/llvm-project/blob/aaddfbf9/utils/bazel/llvm-project-overlay/clang/BUILD.bazel#L1473
+llvm_configure(name = "llvm-project")
+
+llvm_disable_optional_support_deps()
