1 files changed, 28 insertions, 0 deletions
diff --git a/targets/host/pigweed_internal/BUILD.gn b/targets/host/pigweed_internal/BUILD.gn
new file mode 100644
index 000000000..295536edf
--- /dev/null
+++ b/targets/host/pigweed_internal/BUILD.gn
@@ -0,0 +1,28 @@
+# Copyright 2022 The Pigweed Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pigweed/targets/host/target_toolchains.gni")
+import("$dir_pw_toolchain/generate_toolchain.gni")
+
+assert(
+    "//targets/host/pigweed_internal/" == get_path_info("./", "abspath"),
+    "The host toolchains in targets/host/pigweed_internal may only be used " +
+        "for building upstream Pigweed. Use the host toolchains in " +
+        "targets/host for downstream code.")
+
+generate_toolchains("internal_host_toolchains") {
+  toolchains = pw_internal_host_toolchains
+}