diff --git a/clang/cmake/caches/CrossWinToARMLinux.cmake b/clang/cmake/caches/CrossWinToARMLinux.cmake
--- a/clang/cmake/caches/CrossWinToARMLinux.cmake
+++ b/clang/cmake/caches/CrossWinToARMLinux.cmake
@@ -71,7 +71,9 @@
 set(COMPILER_RT_BUILD_XRAY                  OFF CACHE BOOL "")
 set(COMPILER_RT_BUILD_LIBFUZZER             OFF CACHE BOOL "")
 set(COMPILER_RT_BUILD_PROFILE               OFF CACHE BOOL "")
+set(COMPILER_RT_BUILD_CRT                   OFF CACHE BOOL "")
 set(COMPILER_RT_DEFAULT_TARGET_ONLY         ON CACHE BOOL "")
+set(COMPILER_RT_INCLUDE_TESTS               ON CACHE BOOL "")
 
 set(LIBUNWIND_USE_COMPILER_RT               ON CACHE BOOL "")
 set(LIBUNWIND_TARGET_TRIPLE                 "${CMAKE_C_COMPILER_TARGET}" CACHE STRING "")
@@ -109,6 +111,9 @@
   set(DEFAULT_TEST_TARGET_INFO              "libcxx.test.target_info.LinuxRemoteTI")
 
   # Allow override with the custom values.
+  if(NOT DEFINED COMPILER_RT_EMULATOR)
+    set(COMPILER_RT_EMULATOR                "\\\"${Python3_EXECUTABLE}\\\" \\\"${LLVM_PROJECT_DIR}/llvm/utils/remote-exec.py\\\" --execdir %%T --exec-pattern='.*\\.c.*\\.tmp.*' --host='${REMOTE_TEST_USER}@${REMOTE_TEST_HOST}'" CACHE STRING "")
+  endif()
   if(NOT DEFINED LIBUNWIND_TARGET_INFO)
     set(LIBUNWIND_TARGET_INFO               "${DEFAULT_TEST_TARGET_INFO}" CACHE STRING "")
   endif()