Migrate C++ toolchains to bzlmod

For unknown reasons this behaves better with toolchain resolution and
unbreaks the Bazel build on Windows.

.bazelrc

@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+build --enable_bzlmod
+
 # Use the earliest supported C++ version for protoc.
 build --cxxopt=-std=c++14 --host_cxxopt=-std=c++14
 

MODULE.bazel

@@ -0,0 +1,17 @@
+module(
+    name = "nativelink",
+    version = "0.0.0",
+    compatibility_level = 0,
+)
+
+register_execution_platforms(
+    "@nativelink//local-remote-execution/generated/config:platform",
+)
+
+register_toolchains(
+    "@nativelink//local-remote-execution/generated/config:cc-toolchain",
+    "@nativelink//local-remote-execution/generated/java:all",
+)
+
+bazel_dep(name = "platforms", version = "0.0.8")
+bazel_dep(name = "rules_cc", version = "0.0.9")

WORKSPACE.bazel

@@ -2,22 +2,6 @@ workspace(name = "nativelink")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
-http_archive(
-    name = "rules_cc",
-    sha256 = "2037875b9a4456dce4a79d112a8ae885bbc4aad968e6587dca6e64f3a0900cdf",
-    strip_prefix = "rules_cc-0.0.9",
-    urls = ["https://github.com/bazelbuild/rules_cc/releases/download/0.0.9/rules_cc-0.0.9.tar.gz"],
-)
-
-register_execution_platforms(
-    "@nativelink//local-remote-execution/generated/config:platform",
-)
-
-register_toolchains(
-    "@nativelink//local-remote-execution/generated/config:cc-toolchain",
-    "@nativelink//local-remote-execution/generated/java:all",
-)
-
 http_archive(
     name = "rules_rust",
     sha256 = "36ab8f9facae745c9c9c1b33d225623d976e78f2cc3f729b7973d8c20934ab95",
@@ -26,15 +10,6 @@ http_archive(
     ],
 )
 
-http_archive(
-    name = "rules_python",
-    sha256 = "84aec9e21cc56fbc7f1335035a71c850d1b9b5cc6ff497306f84cced9a769841",
-    strip_prefix = "rules_python-0.23.1",
-    urls = [
-        "https://github.com/bazelbuild/rules_python/releases/download/0.23.1/rules_python-0.23.1.tar.gz",
-    ],
-)
-
 load(
     "@rules_rust//rust:repositories.bzl",
     "rules_rust_dependencies",