Index: clang-tools-extra/test/CMakeLists.txt
===================================================================
--- clang-tools-extra/test/CMakeLists.txt
+++ clang-tools-extra/test/CMakeLists.txt
@@ -20,13 +20,13 @@
   CLANGD_BUILD_XPC_SUPPORT)
 
 configure_lit_site_cfg(
-  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
-  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
+  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
   )
 
 configure_lit_site_cfg(
-  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.in
-  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg
+  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
+  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py
   )
 
 option(CLANG_TOOLS_TEST_USE_VG "Run Clang tools' tests under Valgrind" OFF)