Index: test/CMakeLists.txt
===================================================================
--- test/CMakeLists.txt
+++ test/CMakeLists.txt
@@ -16,7 +16,6 @@
 pythonize_bool(LIBUNWIND_ENABLE_SHARED)
 pythonize_bool(LIBUNWIND_ENABLE_THREADS)
 pythonize_bool(LIBUNWIND_ENABLE_EXCEPTIONS)
-pythonize_bool(LIBUNWIND_USE_LLVM_UNWINDER)
 pythonize_bool(LIBUNWIND_BUILD_EXTERNAL_THREAD_LIBRARY)
 set(LIBUNWIND_TARGET_INFO "libcxx.test.target_info.LocalTI" CACHE STRING
     "TargetInfo to use when setting up test environment.")
Index: test/lit.site.cfg.in
===================================================================
--- test/lit.site.cfg.in
+++ test/lit.site.cfg.in
@@ -7,7 +7,7 @@
 config.libcxx_src_root          = "@LIBUNWIND_LIBCXX_PATH@"
 config.libunwind_headers        = "@LIBUNWIND_SOURCE_DIR@/include"
 config.cxx_library_root         = "@LIBUNWIND_LIBCXX_LIBRARY_PATH@"
-config.llvm_unwinder            = "@LIBUNWIND_USE_LLVM_UNWINDER@"
+config.llvm_unwinder            = "1"
 config.enable_threads           = "@LIBUNWIND_ENABLE_THREADS@"
 config.use_sanitizer            = "@LLVM_USE_SANITIZER@"
 config.enable_32bit             = "@LIBUNWIND_BUILD_32_BITS@"