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1. 前言?

本文通過一個簡單的C語言工程構建實例，主要描述通過GN和ninjia如何構建、編譯。

各位小伙伴，如果你是剛接觸GN、ninja構建，這個實例工程非常適合你參考、學習，該實例包括靜態庫、動態庫的編譯、鏈接，還有對編譯工具鏈的配置，編譯輸出的配置等，如果對你有幫助，請點贊??????、轉發，評論&交流??。????????????

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2. 工程實例??

2.1 工程目錄結構

.
├── BUILD.gn
├── README.md
├── build
│   ├── BUILD.gn
│   ├── BUILDCONFIG.gn
│   └── toolchains
│       └── BUILD.gn
├── include
│   └── utils.h
├── lib
│   ├── shared
│   │   ├── BUILD.gn
│   │   └── dlib.c
│   └── static
│       ├── BUILD.gn
│       └── slib.c
├── out
│   └── Default
│       ├── args.gn
│       ├── build.ninja
│       ├── build.ninja.d
│       ├── build.ninja.stamp
│       ├── libshared.so
│       ├── main
│       ├── obj
│       └── toolchain.ninja
├── src
│   └── main
│       ├── BUILD.gn
│       └── main.c
└── third_party13 directories, 19 files

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2.2 工程頂層.gn文件

BUILD.gn

# 頂層group定義
group("all") {deps = ["//lib/static","//lib/shared","//src/main"]
}

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2.3 工具鏈配置.gn文件

build/toolchains/BUILD.gn

# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.toolchain("gcc") {tool("cc") {depfile = "{{output}}.d"command = "gcc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"depsformat = "gcc"description = "CC {{output}}"outputs = ["{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",]}tool("cxx") {depfile = "{{output}}.d"command = "g++ -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"depsformat = "gcc"description = "CXX {{output}}"outputs = ["{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",]}tool("alink") {rspfile = "{{output}}.rsp"command =