limited compiler-rt support in llvm-15?

limited compiler-rt support in llvm-15?

[Haugen, Kjetil via]

[AMD Official Use Only - General]

Hello!

I'm in the process creating guix packages for rocm using upstream clang. I noticed that for clang-runtime-15, guix now explicitly deletes all static libraries which makes the packages with -rtlib=compiler-rt fail due to missing libclang_rt.builtins-x86_64.a. Is there any particular reason why guix made that change between clang-runtime-14 and clang-runtime-15? I'd like to propose to revert that change. I know I can always create my own clang-runtime-15 variant, but I was hoping to avoid the additional complexity of maintaining custom versions of clang-runtime and all the packages that depend on it.

Thanks,
KJ

Re: limited compiler-rt support in llvm-15?

[Efraim Flashner]

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On Tue, Feb 21, 2023 at 12:22:55AM +0000, Haugen, Kjetil via wrote:
> [AMD Official Use Only - General]
> 
> Hello!
> 
> I'm in the process creating guix packages for rocm using upstream clang. I noticed that for clang-runtime-15, guix now explicitly deletes all static libraries which makes the packages with -rtlib=compiler-rt fail due to missing libclang_rt.builtins-x86_64.a. Is there any particular reason why guix made that change between clang-runtime-14 and clang-runtime-15? I'd like to propose to revert that change. I know I can always create my own clang-runtime-15 variant, but I was hoping to avoid the additional complexity of maintaining custom versions of clang-runtime and all the packages that depend on it.
> 
> Thanks,
> KJ

I looked through the git history and I didn't see anything obvious about
why they were deleted. I assume it was to save space.  If it does break
linking like that then I don't see a reason why it couldn't be changed.

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