Squashed 'third_party/rules_rust/' content from commit bf59038ca

git-subtree-dir: third_party/rules_rust
git-subtree-split: bf59038cac11798cbaef9f3bf965bad8182b97fa
Signed-off-by: Brian Silverman <bsilver16384@gmail.com>
Change-Id: I5a20e403203d670df467ea97dde9a4ac40339a8d
diff --git a/rust/platform/BUILD.bazel b/rust/platform/BUILD.bazel
new file mode 100644
index 0000000..459b9fb
--- /dev/null
+++ b/rust/platform/BUILD.bazel
@@ -0,0 +1,26 @@
+load("@bazel_skylib//:bzl_library.bzl", "bzl_library")
+load(":platform.bzl", "declare_config_settings")
+
+package(default_visibility = ["//visibility:public"])
+
+declare_config_settings()
+
+package_group(
+    name = "function_transition_allowlist",
+    packages = [
+        "//...",
+    ],
+)
+
+bzl_library(
+    name = "bzl_lib",
+    srcs = glob(["**/*.bzl"]),
+    visibility = ["//rust:__subpackages__"],
+)
+
+alias(
+    name = "rules",
+    actual = ":bzl_lib",
+    deprecation = "Please use the `@rules_rust//platform:bzl_lib` target instead",
+    visibility = ["//rust:__subpackages__"],
+)