[PATCH] D120308: [compiler-rt][builtins] Fix CMake builtin target flag

[Tobias Hieta via Phabricator via llvm-commits]

thieta added a comment.

In D120308#3337090 <https://reviews.llvm.org/D120308#3337090>, @mstorsjo wrote:

> Hmm, ok. This is in an environment that defaults to a LLVM_DEFAULT_TRIPLE of `*-windows-msvc` I presume, but at what point within the runtimes setup does it switch to calling with the `clang-cl` frontend instead of the regular `clang`?

Oh sorry - I guess it's a bit more complicated - it's a BOOTSTRAP build where the first stage is MSVC, then bootstrap defaults to pass `clang-cl` to the second stage, which I think is the recommended way to build LLVM on Windows (use clang-cl instead of clang).

But the same effect can be found by doing `-DCMAKE_CXX_COMPILER=clang-cl` to my example above.


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