diff --git a/tools/build_defs/repo/BUILD b/tools/build_defs/repo/BUILD
index aa60da44eb5f09..103d7c707db9df 100644
--- a/tools/build_defs/repo/BUILD
+++ b/tools/build_defs/repo/BUILD
@@ -4,6 +4,8 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 
 licenses(["notice"])  # Apache 2.0
 
+exports_files(glob(["*.bzl"]))
+
 filegroup(
     name = "srcs",
     srcs = glob(["**"]),
diff --git a/tools/build_defs/repo/BUILD.repo b/tools/build_defs/repo/BUILD.repo
index 0c259d6ca9e748..fd989fd217d9b8 100644
--- a/tools/build_defs/repo/BUILD.repo
+++ b/tools/build_defs/repo/BUILD.repo
@@ -1,5 +1,7 @@
+exports_files(glob(["*.bzl"]))
+
 filegroup(
     name = "bzl_srcs",
     srcs = glob(["*.bzl"]),
     visibility = ["//tools/build_defs:__pkg__"],
-)
\ No newline at end of file
+)
diff --git a/tools/cpp/BUILD b/tools/cpp/BUILD
index cfed86190684ad..cf858ee9c9cf1e 100644
--- a/tools/cpp/BUILD
+++ b/tools/cpp/BUILD
@@ -16,6 +16,8 @@ package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])  # Apache 2.0
 
+exports_files(glob(["*.bzl"]))
+
 filegroup(
     name = "srcs",
     srcs = glob(["**"]) + [
diff --git a/tools/osx/BUILD b/tools/osx/BUILD
index a3227a2b5b9a66..903baf55af2064 100644
--- a/tools/osx/BUILD
+++ b/tools/osx/BUILD
@@ -24,6 +24,7 @@ filegroup(
 
 exports_files([
     "xcode_locator.m",
+    "xcode_configure.bzl",
 ])
 
 DARWIN_XCODE_LOCATOR_COMPILE_COMMAND = """