[PATCH] D144603: Add option to disable compiler launcher on external projects

Thu Mar 2 13:50:25 PST 2023

fangism added a comment.

In D144603#4163751 <https://reviews.llvm.org/D144603#4163751>, @phosek wrote:

> In D144603#4162974 <https://reviews.llvm.org/D144603#4162974>, @haowei wrote:
>
>> I think remove the compiler launcher from default pass through flags are fine. What about the using compiler launcher in runtime builds? I don't think we should read `CLANG_BOOTSTRAP_PASSTHROUGH` to determine if we should pass through compiler launcher flags.
>
> I'd suggest a similar approach, that is remove `C_COMPILER_LAUNCHER` and `CXX_COMPILER_LAUNCHER` from the default passthrough list and provide a new `LLVM_EXTERNAL_PROJECT_PASSTHROUGH` variable.

Will the PASSTHROUGH approach let us choose a //different// LAUNCHER for the external projects?  For example, we could still distribute those compiles, albeit without expecting any caching.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144603/new/

https://reviews.llvm.org/D144603