251 lines
7.2 KiB
Plaintext
251 lines
7.2 KiB
Plaintext
# Copyright 2021 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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import("//build_overrides/pigweed.gni")
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# Note: In general, prefer to import target_types.gni rather than this file.
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# cc_executable.gni and cc_library.gni are both provided by target_types.gni.
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#
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# cc_library.gni is split out from cc_executable.gni because pw_executable
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# templates may need to create pw_source_set targets internally, and can't
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# import target_types.gni because it creates a circular import path.
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declare_args() {
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# Additional build targets to add as dependencies for pw_executable,
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# pw_static_library, and pw_shared_library targets. The
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# $dir_pw_build:link_deps target pulls in these libraries.
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#
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# pw_build_LINK_DEPS can be used to break circular dependencies for low-level
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# libraries such as pw_assert.
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pw_build_LINK_DEPS = []
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}
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# TODO(frolv): The code in all of the templates below is duplicated, with the
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# exception of the target type. This file could be auto-generated with Python.
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_supported_toolchain_defaults = [
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"configs",
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"public_deps",
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]
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template("pw_source_set") {
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_pw_source_files = []
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# Boilerplate for tracking target sources. For more information see
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# https://pigweed.dev/pw_build/#target-types
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if (defined(invoker.sources)) {
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foreach(path, invoker.sources) {
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_pw_source_files += [ path ]
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}
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}
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if (defined(invoker.public)) {
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foreach(path, invoker.public) {
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_pw_source_files += [ path ]
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}
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}
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source_set(target_name) {
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import("$dir_pw_build/defaults.gni")
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forward_variables_from(invoker, "*", _supported_toolchain_defaults)
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# Ensure that we don't overwrite metadata forwared from the invoker above.
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if (defined(metadata)) {
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metadata.pw_source_files = _pw_source_files
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} else {
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metadata = {
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pw_source_files = _pw_source_files
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}
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}
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if (!defined(configs)) {
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configs = []
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}
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if (defined(pw_build_defaults.configs)) {
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configs += pw_build_defaults.configs
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}
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if (defined(remove_configs)) {
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if (remove_configs != [] && remove_configs[0] == "*") {
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configs = []
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} else {
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configs += remove_configs # Add configs in case they aren't already
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configs -= remove_configs # present, then remove them.
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}
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}
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if (defined(invoker.configs)) {
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configs += invoker.configs
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}
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if (defined(pw_build_defaults.public_deps)) {
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public_deps = pw_build_defaults.public_deps
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} else {
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public_deps = []
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}
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if (defined(remove_public_deps)) {
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if (remove_public_deps != [] && remove_public_deps[0] == "*") {
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public_deps = []
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} else {
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public_deps += remove_public_deps
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public_deps -= remove_public_deps
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}
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}
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if (defined(invoker.public_deps)) {
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public_deps += invoker.public_deps
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}
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}
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}
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template("pw_static_library") {
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_pw_source_files = []
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# Boilerplate for tracking target sources. For more information see
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# https://pigweed.dev/pw_build/#target-types
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if (defined(invoker.sources)) {
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foreach(path, invoker.sources) {
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_pw_source_files += [ path ]
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}
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}
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if (defined(invoker.public)) {
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foreach(path, invoker.public) {
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_pw_source_files += [ path ]
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}
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}
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_library_output_dir = "${target_out_dir}/lib"
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if (defined(invoker.output_dir)) {
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_library_output_dir = invoker.output_dir
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}
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static_library(target_name) {
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import("$dir_pw_build/defaults.gni")
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forward_variables_from(invoker, "*", _supported_toolchain_defaults)
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# Ensure that we don't overwrite metadata forwared from the invoker above.
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if (defined(metadata)) {
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metadata.pw_source_files = _pw_source_files
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} else {
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metadata = {
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pw_source_files = _pw_source_files
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}
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}
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if (!defined(configs)) {
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configs = []
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}
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if (defined(pw_build_defaults.configs)) {
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configs += pw_build_defaults.configs
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}
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if (defined(remove_configs)) {
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if (remove_configs != [] && remove_configs[0] == "*") {
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configs = []
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} else {
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configs += remove_configs # Add configs in case they aren't already
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configs -= remove_configs # present, then remove them.
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}
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}
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if (defined(invoker.configs)) {
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configs += invoker.configs
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}
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public_deps = [ "$dir_pw_build:link_deps" ]
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if (defined(pw_build_defaults.public_deps)) {
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public_deps += pw_build_defaults.public_deps
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}
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if (defined(remove_public_deps)) {
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if (remove_public_deps != [] && remove_public_deps[0] == "*") {
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public_deps = []
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} else {
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public_deps += remove_public_deps
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public_deps -= remove_public_deps
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}
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}
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if (defined(invoker.public_deps)) {
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public_deps += invoker.public_deps
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}
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output_dir = _library_output_dir
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}
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}
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template("pw_shared_library") {
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_pw_source_files = []
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# Boilerplate for tracking target sources. For more information see
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# https://pigweed.dev/pw_build/#target-types
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if (defined(invoker.sources)) {
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foreach(path, invoker.sources) {
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_pw_source_files += [ path ]
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}
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}
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if (defined(invoker.public)) {
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foreach(path, invoker.public) {
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_pw_source_files += [ path ]
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}
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}
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_library_output_dir = "${target_out_dir}/lib"
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if (defined(invoker.output_dir)) {
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_library_output_dir = invoker.output_dir
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}
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shared_library(target_name) {
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import("$dir_pw_build/defaults.gni")
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forward_variables_from(invoker, "*", _supported_toolchain_defaults)
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# Ensure that we don't overwrite metadata forwared from the invoker above.
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if (defined(metadata)) {
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metadata.pw_source_files = _pw_source_files
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} else {
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metadata = {
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pw_source_files = _pw_source_files
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}
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}
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if (!defined(configs)) {
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configs = []
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}
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if (defined(pw_build_defaults.configs)) {
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configs += pw_build_defaults.configs
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}
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if (defined(remove_configs)) {
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if (remove_configs != [] && remove_configs[0] == "*") {
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configs = []
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} else {
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configs += remove_configs # Add configs in case they aren't already
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configs -= remove_configs # present, then remove them.
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}
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}
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if (defined(invoker.configs)) {
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configs += invoker.configs
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}
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public_deps = [ "$dir_pw_build:link_deps" ]
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if (defined(pw_build_defaults.public_deps)) {
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public_deps += pw_build_defaults.public_deps
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}
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if (defined(remove_public_deps)) {
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if (remove_public_deps != [] && remove_public_deps[0] == "*") {
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public_deps = []
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} else {
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public_deps += remove_public_deps
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public_deps -= remove_public_deps
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}
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}
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if (defined(invoker.public_deps)) {
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public_deps += invoker.public_deps
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}
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output_dir = _library_output_dir
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}
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}
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