[clang] [CMake][Fuchsia] Add LLVM_NO_BAREMETAL_RUNTIMES option (PR #99253)

[Petr Hosek via cfe-commits]

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@@ -32,6 +32,8 @@ set(LLVM_USE_RELATIVE_PATHS_IN_FILES ON CACHE BOOL "")
 set(LLDB_ENABLE_CURSES OFF CACHE BOOL "")
 set(LLDB_ENABLE_LIBEDIT OFF CACHE BOOL "")
 
+set(LLVM_NO_BAREMETAL_RUNTIMES OFF CACHE BOOL "")
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petrhosek wrote:

This is not an official LLVM build flag so I'd avoid `LLVM_` prefix, rather I'd call it something like `FUCHSIA_INCLUDE_BAREMETAL_RUNTIMES` with `ON` as the default value.

https://github.com/llvm/llvm-project/pull/99253