React Native 搭建环境及library not found for -lstdc++.6.0.9 问题解决方案

一.搭建RN环境:ReactNative中文网(https://reactnative.cn/docs/getting-started/)
命令:
1.brew install node(安装node)
遇到问题1:找不到Xcode路径(xcrun: error: active developer path ("/Users/apple/Desktop/Xcode.app/Contents/Developer") does not exist)
解决方案1: 更改xcode默认路径 :sudo xcode-select --switch (手动拖拽Xcode路径)

2.brew install watchman(安装watchman)
遇到问题1:watchman版本不支持最新版本的mac系统10.12
3.建立npm镜像
npm config set registry https://registry.npm.taobao.org --global
npm config set disturl https://npm.taobao.org/dist --global

4.npm install -g yarn react-native-cli
Yarn、React Native 的命令行工具(react-native-cli)

遇到问题:
library not found for -lstdc++.6.0.9
error: linker command failed with exit code 1 (use -v to see invocation)
解决方法:xcode10中添加libstdc++.6.0.9.tbd和libstdc++.6.tbd(从xcode9中获取)
两个路径都要添加:
真机路径:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/lib/
模拟器路径:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/

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