update parallel rsp

parallel-rsp/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.20)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_C_STANDARD 99)
 project(parallel-rsp LANGUAGES CXX C)
@@ -10,16 +10,11 @@ include_directories(../mupen64plus-core/src/api)
 add_definitions(-DM64P_PLUGIN_API)
 add_definitions(-DPARALLEL_INTEGRATION)
 
-# check for INTERPROCEDURAL_OPTIMIZATION support
-if((${CMAKE_VERSION} VERSION_EQUAL 3.9) OR (${CMAKE_VERSION} VERSION_GREATER 3.9))
-    cmake_policy(SET CMP0069 NEW)
-
-    include(CheckIPOSupported)
-    check_ipo_supported(RESULT ENABLE_IPO)
-    if(ENABLE_IPO)
-        message("Interprocedural optimizations enabled")
-    endif(ENABLE_IPO)
-endif()
+include(CheckIPOSupported)
+check_ipo_supported(RESULT ENABLE_IPO)
+if(ENABLE_IPO)
+	message("Interprocedural optimizations enabled")
+endif(ENABLE_IPO)
 
 if(ENABLE_IPO AND (CMAKE_BUILD_TYPE STREQUAL "Release"))
     set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)

parallel-rsp/win32/mman/sys/CMakeLists.txt

@@ -1,6 +1,6 @@
 project (mman-win32 C)
 
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 3.20)
 
 option (BUILD_SHARED_LIBS "shared/static libs" ON) 
 option (BUILD_TESTS "tests?" OFF)