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