Index: cmake/modules/CMakeLists.txt
===================================================================
--- cmake/modules/CMakeLists.txt
+++ cmake/modules/CMakeLists.txt
@@ -91,6 +91,5 @@
     PATTERN LLVMConfig.cmake EXCLUDE
     PATTERN LLVMConfigVersion.cmake EXCLUDE
     PATTERN LLVM-Config.cmake EXCLUDE
-    PATTERN GetHostTriple.cmake EXCLUDE
-    PATTERN CheckAtomic.cmake EXCLUDE)
+    PATTERN GetHostTriple.cmake EXCLUDE)
 endif()