From d27fd38a6c0fbd21e5b89add514158c5516ed3b5 Mon Sep 17 00:00:00 2001
From: Jonathan Keane <jkeane@gmail.com>
Date: Tue, 3 Aug 2021 09:41:04 -0500
Subject: [PATCH] changes from ARROW-2243

---
 cpp/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 78b19ba59308e..8b824ee0b8f2b 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -41,6 +41,11 @@ if(POLICY CMP0068)
   cmake_policy(SET CMP0068 NEW)
 endif()
 
+if(POLICY CMP0069)
+  # https://cmake.org/cmake/help/latest/policy/CMP0069.html
+  cmake_policy(SET CMP0069 OLD)
+endif()
+
 # find_package() uses <PackageName>_ROOT variables.
 # https://cmake.org/cmake/help/latest/policy/CMP0074.html
 if(POLICY CMP0074)