From 0f47295a230747b8060e1cd8880f0930375b3b1c Mon Sep 17 00:00:00 2001
From: Mateusz Jablonski <mateusz.jablonski@intel.com>
Date: Wed, 5 Jul 2023 08:51:26 +0000
Subject: [PATCH] build: add cmake flag to enable interprocedural optimization

Related-To: NEO-6904
Signed-off-by: Mateusz Jablonski <mateusz.jablonski@intel.com>
---
 CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1690eedc7..9fd5616a78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,13 @@ endif()
 
 include(ExternalProject)
 
+if(NEO_ENABLE_INTERPROCEDURAL_OPTIMIZATION)
+  cmake_policy(SET CMP0069 NEW)
+  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+  set(NEO_DISABLE_LD_LLD TRUE)
+  message(STATUS "Enabling interprocedural optimization")
+endif()
+
 # Set the runtime source directory
 if(NOT DEFINED NEO_SOURCE_DIR)
   set(NEO_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})