From 941927336eb3a1b92a0edef4ae4258b1c4f5212d Mon Sep 17 00:00:00 2001
From: Deukhoofd <Deukhoofd@gmail.com>
Date: Thu, 31 Dec 2020 13:52:11 +0100
Subject: [PATCH] Reduce file size by using IPO and LTO.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>
---
 CMakeLists.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a025d2a..47f1257 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
+include(CheckIPOSupported)
+
 project(CreatureLib)
 
 # Enable all warnings, and make them error when occurring.
@@ -59,6 +61,13 @@ file(GLOB_RECURSE LIBRARY_SRC_FILES
 add_library(CreatureLib SHARED ${LIBRARY_SRC_FILES})
 target_precompile_headers(CreatureLib PUBLIC src/Precompiled.hxx)
 
+# If interprocedural optimization is available, apply it
+check_ipo_supported(RESULT IPO_SUPPORTED)
+if (IPO_SUPPORTED)
+    message(STATUS "IPO / LTO enabled")
+    set_property(TARGET CreatureLib PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif ()
+
 # If we are building for Windows we need to set some specific variables.
 if (WINDOWS)
     MESSAGE(WARNING, "Using Windows Build.")