[libc-commits] [libc] [libc] init uefi os target (PR #120687)

[Joseph Huber via libc-commits]

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@@ -69,6 +69,10 @@ function(get_arch_and_system_from_triple triple arch_var sys_var)
     set(target_sys "darwin")
   endif()
 
+  if(target_sys STREQUAL "unknown")
+    list(GET triple_comps -1 target_sys)
+  endif()
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jhuber6 wrote:

`aarch64-unknown-linux-llvm` and `aarch64-unknown-uefi-llvm` should be able to use the exact same parsing.

https://github.com/llvm/llvm-project/pull/120687