Enhance CMake configuration by adding utility functions and improving project structure

Author: sabotack

CMakeLists.txt

@@ -1,13 +1,24 @@
 cmake_minimum_required(VERSION 3.31)
-project(chip8cpp)
+
+##########################################
 
 set(CMAKE_CXX_STANDARD 23)
-set(CMAKE_CXX_STANDARD_REQUIRED true)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+##########################################
+
+project(chip8cpp)
+
+##########################################
+
+include(cmake/utils.cmake)
+
+##########################################
 
-# set the output directory for built objects.
-# This makes sure that the dynamic library goes into the build directory automatically.
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/$<CONFIGURATION>")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/$<CONFIGURATION>")
 
-add_subdirectory(deps/sdl EXCLUDE_FROM_ALL)
+##########################################
+
+add_subdirectory(deps)
 add_subdirectory(src)

cmake/utils.cmake

@@ -0,0 +1,16 @@
+include_guard()
+
+##########################################
+
+function(silence_deprecation_warnings)
+    set(CMAKE_WARN_DEPRECATED_OLD ${CMAKE_WARN_DEPRECATED} PARENT_SCOPE)
+    set(CMAKE_WARN_DEPRECATED OFF CACHE BOOL "" FORCE)
+endfunction()
+
+##########################################
+
+function(restore_deprecation_warnings)
+    set(CMAKE_WARN_DEPRECATED ${CMAKE_WARN_DEPRECATED_OLD} CACHE BOOL "" FORCE)
+endfunction()
+
+##########################################

deps/CMakeLists.txt

@@ -0,0 +1,9 @@
+silence_deprecation_warnings()
+
+##########################################
+
+add_subdirectory(sdl EXCLUDE_FROM_ALL)
+
+##########################################
+
+restore_deprecation_warnings()