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# Bazel Support
## Basic Usage
The `grpc/grpc` repository's primary build system is Bazel. Rules are provided
for C++, Python, and Objective-C. While C++ supports other build systems such as
CMake, these rules are actually generated from the Bazel definitions.
Projects built with Bazel may use the `grpc/grpc` repo not only to add a
dependency on the library itself, but also to generate protobuf, stub, and
servicer code. To do so, one must invoke the `grpc_deps` and `grpc_extra_deps`
repository rules in their `WORKSPACE` file:
```starlark
workspace(name = "example_workspace")
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
name = "com_github_grpc_grpc",
strip_prefix = "grpc-1.45.0",
sha256 = "ec19657a677d49af59aa806ec299c070c882986c9fcc022b1c22c2a3caf01bcd"k
urls = ["https://github.com/grpc/grpc/archive/refs/tags/v1.45.0.tar.gz"],
)
load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
grpc_deps()
load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
grpc_extra_deps()
```
## Supported Versions
In general, gRPC supports building with the latest patch release of the two most
recent LTS versions of Bazel. However individual releases may have a broader
compatibility range. The currently supported versions are captured by the
following list:
- [`5.3.1`](https://github.com/bazelbuild/bazel/releases/tag/5.3.1)
- [`4.2.2`](https://github.com/bazelbuild/bazel/releases/tag/4.2.2)
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