Rename OSX to macOS and iPhoneOS to iOS.

platform/macos/SCsub

@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+Import("env")
+
+from platform_methods import run_in_subprocess
+import platform_macos_builders
+
+files = [
+    "os_macos.mm",
+    "godot_application.mm",
+    "godot_application_delegate.mm",
+    "crash_handler_macos.mm",
+    "macos_terminal_logger.mm",
+    "display_server_macos.mm",
+    "godot_content_view.mm",
+    "godot_window_delegate.mm",
+    "godot_window.mm",
+    "key_mapping_macos.mm",
+    "godot_main_macos.mm",
+    "dir_access_macos.mm",
+    "tts_macos.mm",
+    "joypad_macos.cpp",
+    "vulkan_context_macos.mm",
+    "gl_manager_macos_legacy.mm",
+]
+
+prog = env.add_program("#bin/godot", files)
+
+if env["debug_symbols"] and env["separate_debug_symbols"]:
+    env.AddPostAction(prog, run_in_subprocess(platform_macos_builders.make_debug_macos))