xcode 命令行构建失败，com.apple.compilers.llvm.clang.1_0.compiler
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xcode command line build failed with com.apple.compilers.llvm.clang.1_0.compiler
提问by Yugandhar
XCode Version: Version 7.2 (7C68)
Building for PhoneGAP IOS
Commands used:
XCode 版本：7.2 版 (7C68)
构建 PhoneGAP IOS
命令使用：
xcodebuild -project HelloCordova.xcodeproj -scheme HelloCordova -configuration Release -sdk iphonesimulator IDENTIFIER=com.kony.SyncApp build
It used to work well before upgrading Xcode after upgrading to 7.2 , i am facing this issue. And same wokring form XCODE UI Problem with command line build
在升级到 7.2 之后升级 Xcode 之前它曾经运行良好，我正面临这个问题。与命令行构建相同的工作形式 XCODE UI 问题
Error Info:
错误信息：
fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated.
致命错误：发出的错误太多，现在停止 [-ferror-limit=] 生成了 20 个错误。
** BUILD FAILED **
** 构建失败 **
The following build commands failed:
ProcessPCH /Users/konysync/Library/Developer/Xcode/DerivedData/HelloCordova-gyroiomjvclmgtfewwtckeoypgfd/Build/Intermediates/PrecompiledHeaders/CordovaLib_Prefix-almeazhzuslzcvewimbluxlrnwby/CordovaLib_Prefix.pch.pch CordovaLib_Prefix.pch normal armv7 objective-c com.apple.compilers.llvm.clang.1_0.compiler
ProcessPCH /Users/konysync/Library/Developer/Xcode/DerivedData/HelloCordova-gyroiomjvclmgtfewwtckeoypgfd/Build/Intermediates/PrecompiledHeaders/CordovaLib_Prefix-bvlrmrstkahcccfcihrhcdumeenk/CordovaLib_Prefix.pch.pch CordovaLib_Prefix.pch normal arm64 objective-c com.apple.compilers.llvm.clang.1_0.compiler
(2 failures)
（2 次失败）
found some links , but those links did not help.
Apple LLVM Compiler 3.1 error clang
Unsupported compiler 'com.apple.compilers.llvm.clang.1_0' selected for architecture 'x86_64' on Xcode 7 Beta 2
找到了一些链接，但这些链接没有帮助。
苹果LLVM编译器3.1错误铛
不支持的编译器com.apple.compilers.llvm.clang.1_0'选择用于架构“x86_64的”上的Xcode 7 Beta 2的
回答by Oscar Hierro
This is a bug introduced in Xcode 7.2 (and still not fixed as of 7.2.1), see https://openradar.appspot.com/23857648It seems that xcodebuildis not setting correctly the ARCHand PLATFORM_NAMEvariables when invoked with -sdk iphonesimulator.
这是在Xcode 7.2引入了一个错误（但仍不能固定为7.2.1），见https://openradar.appspot.com/23857648似乎xcodebuild没有设置正确ARCH，并PLATFORM_NAME当调用变量-sdk iphonesimulator。
There are two known workarounds at the moment, both involve passing extra flags to xcodebuild:
目前有两种已知的解决方法，都涉及将额外的标志传递给xcodebuild：
1) Pass the -destinationflag, eg:
1）传递-destination标志，例如：
xcodebuild [...] -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 6'
2) Override the PLATFORMvariable, eg:
2）覆盖PLATFORM变量，例如：
xcodebuild [...] -sdk iphonesimulator PLATFORM_NAME=iphonesimulator
回答by Bilal Qaimkhani
i have tried to resolve this error many times and follows multiple steps of every one but not worked for me after that i deleted my build folder from project ios directory like react-native-project>ios>Build folder it worked for me.
我曾多次尝试解决此错误，并遵循每个步骤的多个步骤，但在我从项目 ios 目录中删除了我的 build 文件夹后，如 react-native-project>ios>Build 文件夹，它对我有用。
