Add cxx settings/properties

Author: Hind-M

CMakeLists.txt

@@ -2,8 +2,9 @@ cmake_minimum_required(VERSION 3.28)
 
 project(sparrow-ipc CXX)
 
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_STANDARD 20 CACHE STRING "C++ Standard")
+set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "C++ Standard Required")
+set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_CXX_SCAN_FOR_MODULES OFF)
 include(CMakeDependentOption)