Set policies through CMake 3.9 to allow enabling IPO

minetest · Aug 21, 2021 · 1aab3db · 1aab3db
1 parent 4ba0f8d
commit 1aab3db
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,5 +1,12 @@
 cmake_minimum_required(VERSION 3.5)
 
+# Set policies up to 3.9 since we want to enable the IPO option
+if(${CMAKE_VERSION} VERSION_LESS 3.9)
+	cmake_policy(VERSION ${CMAKE_VERSION_MAJOR}.${CMAKE_VERSION_MINOR})
+else()
+	cmake_policy(VERSION 3.9)
+endif()
+
 project(Irrlicht
 	VERSION 1.9.0
 	LANGUAGES CXX