[llvm] [bazel] Improve building on/for Windows (PR #171761)

[David Zbarsky via llvm-commits]

================
@@ -297,7 +320,21 @@ cc_library(
     }),
     includes = ["include"],
     linkopts = select({
-        "@platforms//os:windows": [
+        ":is_windows_clang_mingw": [
+            "-lole32",
----------------
dzbarsky wrote:

note ole32 and uuid were missing here but are passed in https://github.com/llvm/llvm-project/blob/fa1dceb67f6fef652c2bf91c070ede64eadc49c6/llvm/lib/Support/CMakeLists.txt#L44C48-L44C53

the other libs are either added by default already or actually unused.

https://github.com/llvm/llvm-project/pull/171761