[libc-commits] [libc] [libc] Add osutils for Windows and make libc and its tests build on Windows target (PR #104676)

[via libc-commits]

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@@ -120,7 +120,7 @@ TEST(LlvmLibcArgListTest, TestStructTypes) {
 }
 
 // Test vector extensions from clang.
-#if __has_attribute(ext_vector_type)
+#if !defined(LIBC_TARGET_OS_IS_WINDOWS) && __has_attribute(ext_vector_type)
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overmighty wrote:

Should probably explicitly `#include "libc/src/__support/macros/properties/os.h"` in files where use of `LIBC_TARGET_OS_IS_WINDOWS` is being added.

https://github.com/llvm/llvm-project/pull/104676