[llvm-dev] Error in ProcessPCH (xcodebuild)

Wed Sep 2 09:23:07 PDT 2015

> On Sep 1, 2015, at 11:56 PM, 在哪 via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> Hi, all
>      When I use "xcodebuild" to build my iOS project, the process stopped in compling "PrefixHeader.pch". I use the following command:
> 
>     =>    xcodebuild -project xxx -scheme yyy build OTHER_CFLAGS="-mllvm -xt-obf"
> 
>      the error messages are:
>    
>    =>   clang (LLVM option parsing): Unknown command line argument '-xt-obf-header'.  Try: 'clang (LLVM option parsing) -help'
>            clang (LLVM option parsing): Did you mean '-xt-obf'?
> 
>      That means: The "clang" compiler change my "xt-obf" to "xt-obf-header" in compling "PrefixHeader.pch”.  

It seems to me from the log you posted that it is not clang that changed anything but xcodebuild that is invoking clang with  -mllvm -xt-obf-header (I don’t know why).

How is the clang invocation affected by other -mllvm parameters?

— 
Mehdi

>      I want to kown the reseaon and the way to fix it. Can anyone help me ? Thanks.    
> 
> Maxs
> ====================================================================================================
>      The compiling command's details are as follows:
> 
> ProcessPCH Build/Intermediates/ArchiveIntermediates/Meizi/PrecompiledHeaders/PrefixHeader-cezacppvwgfcdwanbcmjxifonvwx/PrefixHeader.pch.pch Meizi/PrefixHeader.pch normal armv7 objective-c com.apple.compilers.llvm.clang.1_0.compiler
>     cd /Users/netease/Desktop/SRC_github/Meizi
>     export LANG=en_US.US-ASCII
>     export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/Users/netease/Downloads/Users/ryuichis/Projects/L/oclint-08/build/oclint-0.8.1/bin:/Users/netease/Desktop/llvm-build/bin:/opt/iOSOpenDev/bin:/opt/local/bin:/opt/local/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
>     /Users/netease/Desktop/llvm-build-debug/bin/clang -x objective-c-header -arch armv7 -fmessage-length=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit=0 -std=gnu99 -fobjc-arc -fmodules -fmodules-cache-path=/Users/netease/Desktop/SRC_github/Meizi/ModuleCache -fmodules-prune-interval=86400 -fmodules-prune-after=345600 -fbuild-session-file=/Users/netease/Desktop/SRC_github/Meizi/ModuleCache/Session.modulevalidation -fmodules-validate-once-per-build-session -Wnon-modular-include-in-framework-module -Werror=non-modular-include-in-framework-module -Wno-trigraphs -fpascal-strings -Os -Wno-missing-field-initializers -Wno-missing-prototypes -Werror=return-type -Wunreachable-code -Wno-implicit-atomic-properties -Werror=deprecated-objc-isa-usage -Werror=objc-root-class -Wno-receiver-is-weak -Wno-arc-repeated-use-of-weak -Wduplicate-method-match -Wno-missing-braces -Wparentheses -Wswitch -Wunused-function -Wno-unused-label -Wno-unused-parameter -Wunused-variable -Wunused-value -Wempty-body -Wconditional-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wconstant-conversion -Wint-conversion -Wbool-conversion -Wenum-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wundeclared-selector -Wno-deprecated-implementations -DCOCOAPODS=1 -DNS_BLOCK_ASSERTIONS=1 -DOBJC_OLD_DISPATCH_PROTOTYPES=0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.4.sdk -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -g -fvisibility=hidden -Wno-sign-conversion -miphoneos-version-min=8.0 -iquote /Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/Meizi-generated-files.hmap -I/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/Meizi-own-target-headers.hmap -I/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/Meizi-all-target-headers.hmap -iquote /Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/Meizi-project-headers.hmap -I/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/BuildProductsPath/Release-iphoneos/include -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/AFDownloadRequestOperation -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/AFNetworking -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/DACircularProgress -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/HMSegmentedControl -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/MBProgressHUD -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/MJExtension -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/MJRefresh -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/MWPhotoBrowser -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/NHBalancedFlowLayout -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/SDWebImage -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/SVProgressHUD -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/UIActivityIndicator-for-SDWebImage -I/Users/netease/Desktop/SRC_github/Meizi/Pods/Headers/Public/YTKNetwork -I/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/DerivedSources/armv7 -I/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/IntermediateBuildFilesPath/Meizi.build/Release-iphoneos/Meizi.build/DerivedSources -F/Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/BuildProductsPath/Release-iphoneos -mllvm -xt-obf-header -MD -MT dependencies -MF /Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/PrecompiledHeaders/PrefixHeader-cezacppvwgfcdwanbcmjxifonvwx/PrefixHeader.pch.d -c /Users/netease/Desktop/SRC_github/Meizi/Meizi/PrefixHeader.pch -o /Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/PrecompiledHeaders/PrefixHeader-cezacppvwgfcdwanbcmjxifonvwx/PrefixHeader.pch.pch --serialize-diagnostics /Users/netease/Desktop/SRC_github/Meizi/Build/Intermediates/ArchiveIntermediates/Meizi/PrecompiledHeaders/PrefixHeader-cezacppvwgfcdwanbcmjxifonvwx/PrefixHeader.pch.dia
> clang (LLVM option parsing): Unknown command line argument '-xt-obf-header'.  Try: 'clang (LLVM option parsing) -help'
> clang (LLVM option parsing): Did you mean '-xt-obf'?
> Command /Users/netease/Desktop/llvm-build-debug/bin/clang failed with exit code 1
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