ReactNative 运行报错Error: Error watching file for changes: EMFILE

解决Mac OS X10.12下 Error watching file for changes: EMFILE及brew link autoconf automake的错误

react-native start报错

解决办法：

1.卸载原来安装的watchman:brew uninstall --force watchman

2.删除原来的安装文件:rm -rf /usr/local/var/run/watchman/

3.重新安装watchman:brew install watchman