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# 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")
# 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() {
# Additional build targets to add as dependencies for pw_executable,
# pw_static_library, and pw_shared_library targets. The
# $dir_pw_build:link_deps target pulls in these libraries.
#
# pw_build_LINK_DEPS can be used to break circular dependencies for low-level
# libraries such as pw_assert.
pw_build_LINK_DEPS = []
}
# TODO(frolv): The code in all of the templates below is duplicated, with the
# exception of the target type. This file could be auto-generated with Python.
_supported_toolchain_defaults = [
"configs",
"public_deps",
]
template("pw_source_set") {
_pw_source_files = []
# Boilerplate for tracking target sources. For more information see
# https://pigweed.dev/pw_build/#target-types
if (defined(invoker.sources)) {
foreach(path, invoker.sources) {
_pw_source_files += [ path ]
}
}
if (defined(invoker.public)) {
foreach(path, invoker.public) {
_pw_source_files += [ path ]
}
}
source_set(target_name) {
import("$dir_pw_build/defaults.gni")
forward_variables_from(invoker, "*", _supported_toolchain_defaults)
# Ensure that we don't overwrite metadata forwared from the invoker above.
if (defined(metadata)) {
metadata.pw_source_files = _pw_source_files
} else {
metadata = {
pw_source_files = _pw_source_files
}
}
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
}
if (defined(pw_build_defaults.public_deps)) {
public_deps = pw_build_defaults.public_deps
} else {
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
}
}
}
template("pw_static_library") {
_pw_source_files = []
# Boilerplate for tracking target sources. For more information see
# https://pigweed.dev/pw_build/#target-types
if (defined(invoker.sources)) {
foreach(path, invoker.sources) {
_pw_source_files += [ path ]
}
}
if (defined(invoker.public)) {
foreach(path, invoker.public) {
_pw_source_files += [ path ]
}
}
_library_output_dir = "${target_out_dir}/lib"
if (defined(invoker.output_dir)) {
_library_output_dir = invoker.output_dir
}
static_library(target_name) {
import("$dir_pw_build/defaults.gni")
forward_variables_from(invoker, "*", _supported_toolchain_defaults)
# Ensure that we don't overwrite metadata forwared from the invoker above.
if (defined(metadata)) {
metadata.pw_source_files = _pw_source_files
} else {
metadata = {
pw_source_files = _pw_source_files
}
}
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 = [ "$dir_pw_build:link_deps" ]
if (defined(pw_build_defaults.public_deps)) {
public_deps += pw_build_defaults.public_deps
}
if (defined(remove_public_deps)) {
if (remove_public_deps != [] && remove_public_deps[0] == "*") {
public_deps = []
} else {
public_deps += remove_public_deps
public_deps -= remove_public_deps
}
}
if (defined(invoker.public_deps)) {
public_deps += invoker.public_deps
}
output_dir = _library_output_dir
}
}
template("pw_shared_library") {
_pw_source_files = []
# Boilerplate for tracking target sources. For more information see
# https://pigweed.dev/pw_build/#target-types
if (defined(invoker.sources)) {
foreach(path, invoker.sources) {
_pw_source_files += [ path ]
}
}
if (defined(invoker.public)) {
foreach(path, invoker.public) {
_pw_source_files += [ path ]
}
}
_library_output_dir = "${target_out_dir}/lib"
if (defined(invoker.output_dir)) {
_library_output_dir = invoker.output_dir
}
shared_library(target_name) {
import("$dir_pw_build/defaults.gni")
forward_variables_from(invoker, "*", _supported_toolchain_defaults)
# Ensure that we don't overwrite metadata forwared from the invoker above.
if (defined(metadata)) {
metadata.pw_source_files = _pw_source_files
} else {
metadata = {
pw_source_files = _pw_source_files
}
}
if (!defined(configs)) {
configs = []
}
if (defined(pw_build_defaults.configs)) {
configs += pw_build_defaults.configs
}
if (defined(remove_configs)) {
if (remove_configs != [] && remove_configs[0] == "*") {
configs = []
} else {
configs += remove_configs # Add configs in case they aren't already
configs -= remove_configs # present, then remove them.
}
}
if (defined(invoker.configs)) {
configs += invoker.configs
}
public_deps = [ "$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 = _library_output_dir
}
}
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