环境信息执行命令：
npx react-native info的结果如下：
npxreact-native info [ 20336034:42 ] infofetchingsystemandlibrariesinformation . system 3360 OS : MAC OS 11.3 CPU : () system 3360 OS : MAC OS 11.3核心(TM ) i7 1MB/16.00GB外壳：8 ) /典雅的白猫/zsh binaries 336014.15.2 node yarn :1.22.10-/usr/local /典雅的白猫/yaya NPM watchman 3360 not found manager usr/local /典雅的白猫/pod sdks : IOs SDK : platforms : IOs 14.5、驱动程序工具包20.4、macOS 11.3和watch OS 7.4安卓SDK : API levels :23、28、29、30 build tools 336028.0.3、29.0.2、 30.0.3系统图像3360安卓- 30|googleapisintelx 86 atomandroidndk : not found ides : androidstudio :4.1 ai-201 . 12典雅的白猫/xcodebuildlanguages : Java :1.8.0 _ 271--/usr /典雅的白猫/javacnpmpackages 3360 @ react-native-communes CLI : not found react 336017.0.1=17.0.1 react-native :64.0=0. 64.0 react-native-MAC OS 3360 not found
thefollowingbuildcommandsfailed :
compilec/users/it key/library/developer/xcode/derived data/speed rn-gdnmwquzchcterhjmywhtacsnjev/build/interm flipper-folly.build/objects-normal/x86 _ 64/distributed mutex.o/users/it key/MAC synchron ization/distribution
(1故障) )。
信息--verboseflagformoredetails。
错误命令错误代码1。
info visit 3359 yarn pkg.com/en/docs/CLI/runfordocumentationaboutthiscommand。
故障： 1
解决方案注释掉临时解决方案(简单粗暴的)修复/IOs/podfileflipper相关内容。
# enables flipper.# # notethatifyouhaveuse _ frameworks！ enabled，flipperwillnotworkand # youshoulddisablethenextline.# use _ flipper！ () post _ install do|installer|# react _ native _ post _ install ) end这是暂时的解决方案，不知道后面有什么危险。 实际上可以正常工作。
方法2 (推荐)修正/ios/Podfile的内容如下。
详细的修改操作：
注释掉以下内容：
use_flipper！ (post _ install do|installer|react _ native _ post _ install ) insta
ller) end并把此处替换为：
#⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄修复iOS 14.5新建RN0.64无法运行⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄ def find_and_replace(dir, findstr, replacestr) Dir[dir].each do |name| text = File.read(name) replace = text.gsub(findstr,replacestr) if text != replace puts "Fix: " + name File.open(name, "w") { |file| file.puts replace } STDOUT.flush end end Dir[dir + '*/'].each(&method(:find_and_replace)) end post_install do |installer| flipper_post_install(installer) find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_notify_one(state)", "folly::atomic_notify_one(state)") find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_wait_until(&state, previous | data, deadline)", "folly::atomic_wait_until(&state, previous | data, deadline)") end#⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃修复iOS 14.5新建RN0.64无法运行⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃最终文件如下：
require_relative '../node_modules/react-native/scripts/react_native_pods'require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'platform :ios, '10.0'target 'speed2' do config = use_native_modules! use_react_native!( :path => config[:reactNativePath], # to enable hermes on iOS, change `false` to `true` and then install pods :hermes_enabled => false ) target 'speed2Tests' do inherit! :complete # Pods for testing end # Enables Flipper. # # Note that if you have use_frameworks! enabled, Flipper will not work and # you should disable the next line. #use_flipper!() #post_install do |installer| # react_native_post_install(installer) #end#⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄修复iOS 14.5新建RN0.64无法运行⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄ def find_and_replace(dir, findstr, replacestr) Dir[dir].each do |name| text = File.read(name) replace = text.gsub(findstr,replacestr) if text != replace puts "Fix: " + name File.open(name, "w") { |file| file.puts replace } STDOUT.flush end end Dir[dir + '*/'].each(&method(:find_and_replace)) end post_install do |installer| flipper_post_install(installer) find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_notify_one(state)", "folly::atomic_notify_one(state)") find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_wait_until(&state, previous | data, deadline)", "folly::atomic_wait_until(&state, previous | data, deadline)") end#⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃修复iOS 14.5新建RN0.64无法运行⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃end 总结方法二最终实现思路就是修改这个文件达到修复无法启动的问题。
Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h理论上等到Flipper-Folly文件更新以后，这个问题应该就会不存在了，期待它官方更新。
RN0.63.3测试有网友评论0.63版本报错，我来实测一下。
创建0.63的项目 npx react-native init AwesomeProject --version 0.63.3 运行测试 不对Podfile做修改报错如下：
方法二修改/ios/Podfile 内容 修改/ios/Podfile修改后内容如下： require_relative '../node_modules/react-native/scripts/react_native_pods'require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'platform :ios, '10.0'target 'AwesomeProject' do config = use_native_modules! use_react_native!(:path => config["reactNativePath"]) target 'AwesomeProjectTests' do inherit! :complete # Pods for testing end # Enables Flipper. # # Note that if you have use_frameworks! enabled, Flipper will not work and # you should disable these next few lines. #use_flipper! #post_install do |installer| # flipper_post_install(installer) #end #⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄修复iOS 14.5新建RN0.64无法运行⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄⌄ def find_and_replace(dir, findstr, replacestr) Dir[dir].each do |name| text = File.read(name) replace = text.gsub(findstr,replacestr) if text != replace puts "Fix: " + name File.open(name, "w") { |file| file.puts replace } STDOUT.flush end end Dir[dir + '*/'].each(&method(:find_and_replace)) end post_install do |installer| flipper_post_install(installer) find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_notify_one(state)", "folly::atomic_notify_one(state)") find_and_replace("Pods/Flipper-Folly/folly/synchronization/DistributedMutex-inl.h", "atomic_wait_until(&state, previous | data, deadline)", "folly::atomic_wait_until(&state, previous | data, deadline)") end #⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃修复iOS 14.5新建RN0.64无法运行⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃⌃endtarget 'AwesomeProject-tvOS' do # Pods for AwesomeProject-tvOS target 'AwesomeProject-tvOSTests' do inherit! :search_paths # Pods for testing endend 删除/ios/Pod目录删除/ios/Podfile.lock执行 pod install --verboseyarn ios运行项目运行成功！
参考
https://github.com/facebook/react-native/issues/31179
https://github.com/facebook/flipper/issues/2215
https://github.com/facebook/react-native/issues/31179