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

[Blumenthal, Uri - 0553 - MITLL via llvm-dev]

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

you’d need (something like)

 

add_custom_target(compiler-rt-asm ALL DEPENDS ${helper_asm})

 

Thanks!

 

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