build: add module to handle querying platform details

CMakeLists.txt

@@ -1,12 +1,14 @@
 cmake_minimum_required(VERSION 3.25)
 project(fx C ASM)
 
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
 include (TestBigEndian)
+include(Templates)
+include(Platform)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_EXTENSIONS OFF)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
 set(fx_source_root ${CMAKE_CURRENT_SOURCE_DIR})
@@ -33,10 +35,9 @@ endif ()
 
 message(STATUS "Floating point support: ${fx_enable_floating_point}")
 
-set(fx_system_name ${CMAKE_SYSTEM_NAME})
-string(TOLOWER ${fx_system_name} fx_system_name)
-set(fx_system_arch ${CMAKE_SYSTEM_PROCESSOR})
-string(TOLOWER ${fx_system_arch} fx_system_arch)
+get_platform_details(
+	SYSTEM fx_system_name
+	PROCESSOR fx_system_arch)
 
 message(STATUS "Target system: ${fx_system_name}-${fx_system_arch}")
 
@@ -44,8 +45,6 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
 
-include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Templates.cmake)
-
 foreach (assembly ${fx_assemblies})
 	add_subdirectory(assemblies/${assembly})
 endforeach (assembly)