[llvm-dev] Clang-12 fails build on MacOS

[Steven Wu via llvm-dev]

I am not sure how that `add_custom_target` can help. Let's try run it during configuration time. Patch here: https://reviews.llvm.org/D106305 <https://reviews.llvm.org/D106305>

Steven


> On Jul 19, 2021, at 11:43 AM, Blumenthal, Uri - 0553 - MITLL <uri at ll.mit.edu> wrote:
> 
>> I never intended to leave it at the broken state for MacPort but I am leaning towards finding a correct solution while I suggest some feasible workaround for you. 
>>  
>> Thank you!
>> But it seems that adding a custom target in CMake via add_custom_target() would fix the MacPort version, while staying harmless on the other platforms? Or am I missing something…?
>  
> Can you propose a patch for that? I will happily review and commit it for you.
>  
> Let me converse with Ken, who has the honor of suggesting this fix, and reply. 
>  
> Offhand, it seems that somewhere (immediately) after this line 
> https://github.com/llvm/llvm-project/blob/4c92e31dd0f1bd152eda883af20ff7fbcaa14945/compiler-rt/lib/builtins/CMakeLists.txt#L537 <https://github.com/llvm/llvm-project/blob/4c92e31dd0f1bd152eda883af20ff7fbcaa14945/compiler-rt/lib/builtins/CMakeLists.txt#L537>
> you’d need (something like)
>  
> add_custom_target(compiler-rt-asm ALL DEPENDS ${helper_asm})
>  
> Thanks!

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