[cfe-dev] Error in ProcessPCH (xcodebuild)

[Vedant Kumar via cfe-dev]

It could be that xcodebuild passes "-xt-obj-header" independently of your OTHER_CFLAGS. Also, _if_ some option re-writing is going on, it'd likely be done by xcodebuild (not clang).

If you search "file a bug against Xcode", you might find the right place to send this.

best
vedant

On Sep 2, 2015, at 12:52 AM, 在哪 via cfe-dev <cfe-dev at lists.llvm.org> wrote:

> Hi, all
>       I find that the "xcodebuild" can work if I turn off the "Precompile Prefix Header" in "Build Settings". Are there other ways to fix it? And why clang change 
> my option?
> 
> Thanks,
> Maxs
> 
> To: cfe-dev at lists.llvm.org
> Date: Wed, 2 Sep 2015 07:04:30 +0000
> Subject: [cfe-dev] Error in ProcessPCH (xcodebuild)
> From: cfe-dev at lists.llvm.org
> 
> 
> 
> 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".  
>    I want to kown the reseaon and the way to fix it. Can anyone help me ? Thanks.    
> 
> Maxs
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