From 4093860c32b0fcdc09c6a2c7ced0a8c50b70a696 Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Thu, 14 Jan 2021 01:22:12 +0000
Subject: [PATCH] cmake: Allow passing LTO option

---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index acb93674b..7d339b709 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,6 +30,9 @@ if(COMMAND cmake_policy)
         cmake_policy(SET CMP0017 NEW)
     endif()
 
+    # INTERPROCEDURAL_OPTIMIZATION is enforced when enabled.
+    # Allows passing -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON
+    cmake_policy(SET CMP0069 NEW)
 endif()
 
 IF(APPLE)