[libc-commits] [libc] [llvm] [LLVM] Replace use of LLVM_RUNTIMES_TARGET with LLVM_DEFAULT_TARGET_TRIPLE (PR #188303)

[Petr Hosek via libc-commits]

https://github.com/petrhosek approved this pull request.

I'd like to replace the use of `LLVM_DEFAULT_TARGET_TRIPLE`—which is a variable used by the LLVM build—in runtimes with a runtimes-specific variable to avoid mixing the two (which has caused issues in the past), but unifying everything first and then doing a mass replace second is fine with me.

https://github.com/llvm/llvm-project/pull/188303