phosek added a comment.

In D124474#3475550 <https://reviews.llvm.org/D124474#3475550>, @beanz wrote:

> In D124474#3475539 <https://reviews.llvm.org/D124474#3475539>, @azharudd 
> wrote:
>
>> In this case I'm just trying to make it work with existing build 
>> configurations where it is being used (for example Swift). We should 
>> definitely be moving away from `LLVM_BUILD_EXTERNAL_COMPILER_RT` in favor of 
>> `LLVM_ENABLE_RUNTIMES` eventually though.
>
> My point here is that maybe you should move away from the legacy way of 
> building now rather than improving it... Not sure how @phosek feels about 
> this. I would personally very much prefer if we only had one way to build 
> compiler-rt instead of the half dozen we have today.

I'd definitely prefer moving towards `LLVM_ENABLE_RUNTIMES`. We already require 
`LLVM_ENABLE_RUNTIMES` for libc++, libc++abi and libunwind and I'm going to 
propose doing the same for compiler-rt as well.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D124474/new/

https://reviews.llvm.org/D124474

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