build/rust/mixed_shared_library.gni

# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/config/rust.gni")
import("//build/rust/mixed_target.gni")

# Defines a shared_library containing both Rust and C++ code.
# See mixed_target.gni for documentation.
#
# Note that there is not currently any way for other Rust code
# to depend on Rust APIs exposed by this shared_library. We simply haven't
# set up the infrastructure to enable Rust symbols to be exported by
# a shared library yet. This likely requires a fix to:
# https://github.com/rust-lang/rust/issues/73295

template("mixed_shared_library") {
  mixed_target(target_name) {
    target_type = "shared_library"
    forward_variables_from(invoker,
                           "*",
                           TESTONLY_AND_VISIBILITY + [ "rs_visibility" ])
    forward_variables_from(invoker,
                           TESTONLY_AND_VISIBILITY + [ "rs_visibility" ])
  }
}

set_defaults("mixed_shared_library") {
  configs = default_shared_library_configs
}