diff --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 18d4b9147c70..85d4b51e00b5 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -15,6 +15,10 @@ if (POLICY CMP0051)
   cmake_policy(SET CMP0051 OLD)
 endif()
 
+if(POLICY CMP0057)
+  cmake_policy(SET CMP0057 NEW)
+endif()
+
 if(NOT DEFINED LLVM_VERSION_MAJOR)
   set(LLVM_VERSION_MAJOR 4)
 endif()