From 7537ac6fab259134caaa1501d752271f502a28cd Mon Sep 17 00:00:00 2001
From: A Googler <no-reply@google.com>
Date: Mon, 18 Sep 2023 12:29:12 -0700
Subject: [PATCH] Create toolchain types for proto_library and
 lang_proto_library

This handles only lang_proto_libraries defined in Bazel: Java, Java lite, Python, C++.

Design doc: https://docs.google.com/document/d/1CE6wJHNfKbUPBr7-mmk_0Yo3a4TaqcTPE0OWNuQkhPs/edit#heading=h.5mcn15i0e1ch
Issue: https://github.com/bazelbuild/rules_proto/issues/179
PiperOrigin-RevId: 566380737
---
 proto/BUILD | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/proto/BUILD b/proto/BUILD
index 67105f0..26e66f6 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -22,3 +22,9 @@ bzl_library(
         "//proto/private:dependencies",
     ],
 )
+
+# Toolchain type provided by proto_toolchain rule and used by proto_library
+toolchain_type(
+    name = "toolchain_type",
+    visibility = ["//visibility:public"],
+)