[compiler-rt] [libclc] [libcxx] [libcxxabi] [libunwind] [llvm] [CMake] Remove the use of AddLLVM from runtimes (PR #217502)

[via cfe-commits]

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@@ -82,9 +76,6 @@ else()
     set( PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}" )
   endif()
 
-  get_host_tool_path( llvm-link LLVM_LINK llvm-link_exe llvm-link_target )
-  get_host_tool_path( opt OPT opt_exe opt_target )
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zeroomega wrote:

`opt_target` and `llvm-link_target` are still referenced in `libclc/cmake/modules/AddLibclc.cmake`. That file might need a clean up as well. 

https://github.com/llvm/llvm-project/pull/217502