| # Copyright 2021 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("$dir_pw_build/cc_library.gni") |
| |
| # Note: In general, prefer to import target_types.gni rather than this file. |
| # cc_executable.gni and cc_library.gni are both provided by target_types.gni. |
| # |
| # cc_library.gni is split out from cc_executable.gni because pw_executable |
| # templates may need to create pw_source_set targets internally, and can't |
| # import target_types.gni because it creates a circular import path. |
| |
| declare_args() { |
| # The name of the GN target type used to build Pigweed executables. |
| # |
| # If this is a custom template, the .gni file containing the template must |
| # be imported at the top of the target configuration file to make it globally |
| # available. |
| pw_build_EXECUTABLE_TARGET_TYPE = "executable" |
| |
| # The path to the .gni file that defines pw_build_EXECUTABLE_TARGET_TYPE. |
| # |
| # If pw_build_EXECUTABLE_TARGET_TYPE is not the default of `executable`, this |
| # .gni file is imported to provide the template definition. |
| pw_build_EXECUTABLE_TARGET_TYPE_FILE = "" |
| } |
| |
| if (pw_build_EXECUTABLE_TARGET_TYPE != "executable" && |
| pw_build_EXECUTABLE_TARGET_TYPE_FILE != "") { |
| import(pw_build_EXECUTABLE_TARGET_TYPE_FILE) |
| } |
| |
| _supported_toolchain_defaults = [ |
| "configs", |
| "public_deps", |
| ] |
| |
| # Wrapper for Pigweed executable build targets which uses a globally-defined, |
| # configurable target type. |
| template("pw_executable") { |
| _executable_output_dir = "${target_out_dir}/bin" |
| if (defined(invoker.output_dir)) { |
| _executable_output_dir = invoker.output_dir |
| } |
| |
| target(pw_build_EXECUTABLE_TARGET_TYPE, target_name) { |
| import("$dir_pw_build/defaults.gni") |
| |
| forward_variables_from(invoker, "*", _supported_toolchain_defaults) |
| |
| if (!defined(configs)) { |
| configs = [] |
| } |
| if (defined(pw_build_defaults.configs)) { |
| configs += pw_build_defaults.configs |
| } |
| if (defined(remove_configs)) { |
| if (remove_configs != [] && remove_configs[0] == "*") { |
| configs = [] |
| } else { |
| configs += remove_configs # Add configs in case they aren't already |
| configs -= remove_configs # present, then remove them. |
| } |
| } |
| if (defined(invoker.configs)) { |
| configs += invoker.configs |
| } |
| |
| public_deps = [ "$dir_pw_build:link_deps" ] |
| if (defined(pw_build_defaults.public_deps)) { |
| public_deps += pw_build_defaults.public_deps |
| } |
| if (defined(remove_public_deps)) { |
| if (remove_public_deps != [] && remove_public_deps[0] == "*") { |
| public_deps = [] |
| } else { |
| public_deps += remove_public_deps |
| public_deps -= remove_public_deps |
| } |
| } |
| if (defined(invoker.public_deps)) { |
| public_deps += invoker.public_deps |
| } |
| |
| output_dir = _executable_output_dir |
| } |
| } |