Fix iOS building

Author: Kingminer7

CMakeLists.txt

@@ -1,7 +1,12 @@
 cmake_minimum_required(VERSION 3.21)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64")
+if ("${CMAKE_SYSTEM_NAME}" STREQUAL "iOS" OR IOS)
+        set(CMAKE_OSX_ARCHITECTURES "arm64")
+        add_definitions(-DGLES_SILENCE_DEPRECATION)
+else()
+        set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64")
+endif()
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 
 project(PlatformerJoystick VERSION 1.0.0)