Restore iOS build support (#2352)

* initial commit

* initial commit

* add port files

* ios: Changes to allow creating app bundle without xcode projects

* ios: Added mic perms request

* ios: Very basic app bundle creation script

* ios: Fix -log parameter

* ios: Sdk no longer hardcoded and option to compile for simulator

* general: Update gitignore

* ios: Enable game mode for the app

* ios: Compile instructions and updated ipa creation script

* ios: Code cleanup

* ios: Remove dylibs

* general: Remove extra submodules

* ios: Remove dylibs again

* ios: Implement suggested changes

* ios: Fix building as dylib instead of binary

* ios: Scripts for building mods

* ios: Move 'ios' contents to engine/platform/ios/bundle and modify scripts

* ios: Update createipa.sh to use waf install

* ios: Clean script and updated README

* general: Fix spelling mistake and outdated instructions

* ios: Clean up in xcompile.py

* ios: Fix createipa.sh generating an invalid ipa

* ios: Temporary fix for launch dialog textfield colors in dark mode

common/defaults.h

@@ -152,12 +152,6 @@ Default build-depended cvar and constant values
 	#define DEFAULT_M_IGNORE     "1"
 #endif // !XASH_MOBILE_PLATFORM && !XASH_NSWITCH
 
-#if XASH_IOS
-	// this means that libraries are provided with engine, but not in game data
-	// You need add library loading code to library.c when adding new platform
-	#define XASH_INTERNAL_GAMELIBS
-#endif // XASH_IOS
-
 // Defaults
 #ifndef DEFAULT_TOUCH_ENABLE
 	#define DEFAULT_TOUCH_ENABLE "0"
@@ -193,6 +187,8 @@ Default build-depended cvar and constant values
 		#define DEFAULT_ACCELERATED_RENDERER "gu"
 	#elif XASH_MOBILE_PLATFORM
 		#define DEFAULT_ACCELERATED_RENDERER "gles1"
+	#elif XASH_IOS
+		#define DEFAULT_ACCELERATED_RENDERER "gles2"
 	#else // !XASH_MOBILE_PLATFORM
 		#define DEFAULT_ACCELERATED_RENDERER "gl"
 	#endif // !XASH_MOBILE_PLATFORM