diff --git a/clang/cmake/caches/Fuchsia.cmake b/clang/cmake/caches/Fuchsia.cmake
--- a/clang/cmake/caches/Fuchsia.cmake
+++ b/clang/cmake/caches/Fuchsia.cmake
@@ -49,26 +49,26 @@
   set(COMPILER_RT_ENABLE_WATCHOS OFF CACHE BOOL "")
 endif()
 
-set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
-set(LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
-set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
-set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
-set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
-set(LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
-set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
-set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
-set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
-set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
 if(WIN32)
-  set(LIBCXX_HAS_WIN32_THREAD_API ON CACHE BOOL "")
+  set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
   set(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY OFF CACHE BOOL "")
   set(LIBCXX_ENABLE_FILESYSTEM OFF CACHE BOOL "")
   set(LIBCXX_ENABLE_ABI_LINKER_SCRIPT OFF CACHE BOOL "")
-  set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY OFF CACHE BOOL "")
+  set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
   set(BUILTINS_CMAKE_ARGS -DCMAKE_SYSTEM_NAME=Windows CACHE STRING "")
   set(RUNTIMES_CMAKE_ARGS -DCMAKE_SYSTEM_NAME=Windows CACHE STRING "")
   set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx" CACHE STRING "")
 else()
+  set(LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
+  set(LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
+  set(LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
+  set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
+  set(LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
+  set(LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
+  set(LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
+  set(LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
+  set(LIBCXX_ABI_VERSION 2 CACHE STRING "")
+  set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
   set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
   set(LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "")
 endif()