Index: clang/cmake/caches/Fuchsia-stage2.cmake
===================================================================
--- clang/cmake/caches/Fuchsia-stage2.cmake
+++ clang/cmake/caches/Fuchsia-stage2.cmake
@@ -31,40 +31,40 @@
 if(APPLE)
   list(APPEND BUILTIN_TARGETS "default")
   list(APPEND RUNTIME_TARGETS "default")
-elseif(UNIX)
-  foreach(target i386;x86_64;armhf;aarch64)
-    if(LINUX_${target}_SYSROOT)
-      # Set the per-target builtins options.
-      list(APPEND BUILTIN_TARGETS "${target}-linux-gnu")
-      set(BUILTINS_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
-      set(BUILTINS_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
-      set(BUILTINS_${target}-linux-gnu_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
-
-      # Set the per-target runtimes options.
-      list(APPEND RUNTIME_TARGETS "${target}-linux-gnu")
-      set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
-      set(RUNTIMES_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
-      set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
-      set(RUNTIMES_${target}-linux-gnu_LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_LIBCXX_ABI_VERSION 2 CACHE STRING "")
-      set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI "libc++" CACHE STRING "")
-      set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI_INTREE ON CACHE BOOL "")
-      set(RUNTIMES_${target}-linux-gnu_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
-    endif()
-  endforeach()
 endif()
 
+foreach(target i386;x86_64;armhf;aarch64)
+  if(LINUX_${target}_SYSROOT)
+    # Set the per-target builtins options.
+    list(APPEND BUILTIN_TARGETS "${target}-linux-gnu")
+    set(BUILTINS_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+    set(BUILTINS_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
+    set(BUILTINS_${target}-linux-gnu_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
+
+    # Set the per-target runtimes options.
+    list(APPEND RUNTIME_TARGETS "${target}-linux-gnu")
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSROOT ${LINUX_${target}_SYSROOT} CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ABI_VERSION 2 CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI "libc++" CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI_INTREE ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
+  endif()
+endforeach()
+
 if(FUCHSIA_SDK)
   set(FUCHSIA_aarch64_NAME arm64)
   set(FUCHSIA_x86_64_NAME x64)