version check in ipo detection

ERGO-Code · May 10, 2024 · d712a7e · d712a7e
1 parent 96c3dd2
commit d712a7e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -188,7 +188,10 @@ if (BUILD_CXX)
     set(ipo_supported NO)
     message(STATUS "IPO / LTO not currently supported building HiGHS on MinGW")
   else()
-    cmake_policy(SET CMP0138 NEW)
+    if(CMAKE_VERSION VERSION_MORE VERSION_GREATER "3.23.0") 
+      cmake_policy(SET CMP0138 NEW)
+    endif()
+
     include(CheckIPOSupported)
     check_ipo_supported(RESULT ipo_supported OUTPUT check_ipo_support_output)
     message(STATUS "IPO / LTO supported by compiler: ${ipo_supported}")