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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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e899dcf4a3
This change defines the build target system used by Pigweed, where the build is configured using per-target globals imported from a target .gni file. A single build arg specifying the path to the target file replaces the previous args. A default build variables file is provided in the Pigweed root. This file defines and documents all of the build variables used by Pigweed. A top-level targets directory is added to define the targets used by Pigweed developers. Currently, only a "host" target is added, which configures the build for a development system based on the host OS. Change-Id: Ie62b8d41e5789bfe7fffe20462160142c79076c4
52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
# Copyright 2019 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("modules.gni")
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# Default configs to use for all binary build targets.
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_default_common_binary_configs = [
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"$dir_pw_build:reduced_size",
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"$dir_pw_build:strict_warnings",
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]
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set_defaults("executable") {
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configs = _default_common_binary_configs
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}
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set_defaults("static_library") {
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configs = _default_common_binary_configs
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}
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set_defaults("shared_library") {
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configs = _default_common_binary_configs
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}
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set_defaults("source_set") {
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configs = _default_common_binary_configs
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}
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declare_args() {
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# Path to the Pigweed variables config file for the build target.
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#
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# When this is changed, you must run `ninja -t clean` to remove any files from
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# the previous target's build before building again.
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pw_target_config = "$dir_pigweed/targets/host/host.gni"
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}
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import(pw_target_config)
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assert(pw_target_toolchain != "",
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"Build target must provide its own toolchain.")
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set_default_toolchain(pw_target_toolchain)
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