[CMake] Force CMP0057 to NEW

Hans reported an issue with r282510 on the list. This should resolve the issue.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282552 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 18d4b91..85d4b51 100644 (file)
--- a/CMakeLists.txt
+++ b/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()