chore(build): migrate to system lib

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "vendor/squall"]
 	path = lib/squall
 	url = https://github.com/whoahq/squall
+[submodule "lib/system"]
+	path = lib/system
+	url = https://github.com/whoahq/system

CMakeLists.txt

@@ -18,24 +18,7 @@ project(tempest)
 
 set(CMAKE_CXX_STANDARD 11)
 
-# Arch defines
+include(lib/system/cmake/system.cmake)
-if(CMAKE_SIZEOF_VOID_P EQUAL 8)
-    set(WHOA_ARCH_64 1)
-elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
-    set(WHOA_ARCH_32 1)
-endif()
-
-# OS defines
-if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
-    set(WHOA_PLATFORM_WIN 1)
-    add_definitions(-DWHOA_PLATFORM_WIN)
-elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
-    set(WHOA_PLATFORM_LINUX 1)
-    add_definitions(-DWHOA_PLATFORM_LINUX)
-elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-    set(WHOA_PLATFORM_MAC 1)
-    add_definitions(-DWHOA_PLATFORM_MAC)
-endif()
 
 add_subdirectory(lib)
 add_subdirectory(tempest)

lib/system

@@ -0,0 +1 @@
+Subproject commit f886ab5bc35b2e0d968baa8dec3faaccf385fbc3

test/CMakeLists.txt

@@ -1,6 +1,6 @@
 file(GLOB_RECURSE TEST_SOURCES "*.cpp")
 
-if(WHOA_PLATFORM_MAC)
+if(WHOA_SYSTEM_MAC)
     set_source_files_properties(${TEST_SOURCES}
         PROPERTIES COMPILE_FLAGS "-x objective-c++"
     )
@@ -14,7 +14,7 @@ if(WHOA_PLATFORM_MAC)
     )
 endif()
 
-if(WHOA_PLATFORM_LINUX OR WHOA_PLATFORM_WIN)
+if(WHOA_SYSTEM_LINUX OR WHOA_SYSTEM_WIN)
     add_executable(TempestTest ${TEST_SOURCES})
 
     target_link_libraries(TempestTest