blob: 10560d84dc755b0d59d06adea1fbba130ff60429 [file] [log] [blame]
# 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("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
import("$dir_pw_unit_test/test.gni")
config("linker_script") {
inputs = [ "build_id_linker_snippet.ld" ]
# Automatically add the gnu build ID linker sections when building for Linux.
# macOS and Windows executables are not supported, and embedded targets must
# manually add the snippet to their linker script in a read-only section.
if (current_os == "linux") {
# When building for Linux, the linker provides a default linker script.
# The add_build_id_to_default_script.ld wrapper includes the
# build_id_linker_snippet.ld script in a way that appends to the the
# default linker script instead of overriding it.
ldflags = [
"-T",
rebase_path("add_build_id_to_default_linker_script.ld", root_build_dir),
]
lib_dirs = [ "." ]
inputs += [ "add_build_id_to_default_linker_script.ld" ]
}
visibility = [ ":*" ]
}
config("gnu_build_id") {
ldflags = [ "-Wl,--build-id=sha1" ]
}
config("public_include_path") {
include_dirs = [ "public" ]
visibility = [ ":*" ]
}
# GNU build IDs aren't supported by Windows and macOS.
if (current_os != "mac" && current_os != "win") {
pw_source_set("build_id") {
all_dependent_configs = [
":gnu_build_id",
":linker_script",
]
public_configs = [ ":public_include_path" ]
public = [ "public/pw_build_info/build_id.h" ]
sources = [ "build_id.cc" ]
deps = [
dir_pw_preprocessor,
dir_pw_span,
]
}
}
pw_doc_group("docs") {
sources = [ "docs.rst" ]
inputs = [
"add_build_id_to_default_linker_script.ld",
"build_id_linker_snippet.ld",
]
}
pw_test_group("tests") {
tests = [ ":build_id_test" ]
}
pw_test("build_id_test") {
enable_if = current_os == "linux"
deps = [
":build_id",
"$dir_pw_span",
]
sources = [ "build_id_test.cc" ]
}