webrtc 编译--终极版

需要下载代码

1、depot_tools：
https://chromium.googlesource.com/chromium/tools/depot_tools.git
环境变量配置： depot_tools、【python 2.7.6】 注意环境变量
a、把depot_tools目录加入PATH：export PATH=`pwd`/depot_tools:"$PATH"
b、安装”Visual Studio 2015 Update 3“,zh。
c、set DEPOT_TOOLS_WIN_TOOLCHAIN=0

2、cmd.exe中运行gclient

3、配置git
git config --global user.name "My Name"
git config --global user.email "[email protected]"
git config --global core.autocrlf false
git config --global core.filemode false
git config --global branch.autosetuprebase always

4、建立文件夹 mkdir webrtc-checkout && cd webrtc-checkout

5、拉取代码 fetch --nohooks webrtc

6、gclient sync

7、进入源码目录 cd src

8、git checkout master   （git pull）

9、gclient sync

10、gn gen out/Default 
        release：gn gen out/Default --args='is_debug=false'

11、ninja -C out/Default

如果要生成vs项目工程，则：
$ gn gen --ide=vs out\Default$ devenv out\Default\all.sln

gn ls out/Default
To update an existing checkout, you can run
$ git rebase-update$ gclient sync

错误解决：
Exception: dbgcore.dll not found in "C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\dbgcore.dll"
Exception: dbghelp.dll not found in "C:\Program Files (x86)\Windows Kits\10\Debuggers\x64\dbghelp.dll"
You must install the "Debugging Tools for Windows" feature from the Windows 10 SDK.
ERROR at //build/toolchain/win/BUILD.gn:39:3: Script returned non-zero exit code        exec_script("../../vs_toolchain.py",

e:\opensource\webrtc\webrtc-checkout\src\third_party\gflags\src\src\windows_port.h(54): fatal error C1083: 无法打开包括文件: “windows.h”: No such file or directory

需要下载安装：Windows 10 SDK (ver. 10.0.14393.795)
https://developer.microsoft.com/en-us/windows/downloads/sdk-archive

可以参考：
http://blog.csdn.net/yangzhenping/article/details/52399897
Checking out and Building Chromium for Windows
https://chromium.googlesource.com/chromium/src/+/master/docs/windows_build_instructions.md#Get-the-code
https://webrtc.org/native-code/development/

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