[compiler-rt] [compiler-rt][MSVC][CMake] Wrap Linker flags for ICX (PR #118496)

[Mészáros Gergely via llvm-commits]

Maetveis wrote:

> We wish LLVM became more independent of MS tools, and would be able to build itself on windows using just clang and lld-link. But that is not the case in V20+. I have tried to replicate the major internal flags of of clang-cl for clang, but have not succeeded yet.

I'm not sure I follow exactly, clang-cl shouldn't depend on any more MS tools than clang, it is just a different command line in the end. Anyway if you wish to work on getting llvm buildable with clang instead of clang-cl then I can offer to review patches, this is a topic I had the misfortune of looking at quite a lot :).

https://github.com/llvm/llvm-project/pull/118496