From bfb231a8cb777469beb75a744b5777119df16b12 Mon Sep 17 00:00:00 2001
From: Jan Breuer <j.m.br@gmx.de>
Date: Wed, 2 Oct 2024 16:53:23 +0200
Subject: [PATCH] Improve parallel compilation

We observed many warnings about serial compilations of e.g. LTRANS jobs,
which is fixed hereby.
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fba7a4d07..01c7c0542 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -81,6 +81,10 @@ set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)
 # Enable folders for IDEs
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# Enable LTO (link time optimization) for the project
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto=auto")
+
 # ---------------------------------------------------
 #   Other configuration options
 # ---------------------------------------------------