[iOS] Fix build with Xcode 15.

misc/dist/ios_xcode/godot_ios.xcodeproj/project.pbxproj

@@ -254,8 +254,8 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
-				OTHER_LDFLAGS = "$linker_flags";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				OTHER_LDFLAGS = "-ld_classic $linker_flags";
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "$targeted_device_family";
 			};
@@ -293,8 +293,8 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
-				OTHER_LDFLAGS = "$linker_flags";
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
+				OTHER_LDFLAGS = "-ld_classic $linker_flags";
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "$targeted_device_family";
 				VALIDATE_PRODUCT = YES;
@@ -314,7 +314,7 @@
 				CONFIGURATION_BUILD_DIR = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)";
 				DEVELOPMENT_TEAM = $team_id;
 				INFOPLIST_FILE = "$binary/$binary-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -350,7 +350,7 @@
 				CONFIGURATION_BUILD_DIR = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)";
 				DEVELOPMENT_TEAM = $team_id;
 				INFOPLIST_FILE = "$binary/$binary-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 12.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

platform/ios/detect.py

@@ -103,13 +103,13 @@ def configure(env: "Environment"):
 
     if env["ios_simulator"]:
         detect_darwin_sdk_path("iossimulator", env)
-        env.Append(ASFLAGS=["-mios-simulator-version-min=11.0"])
-        env.Append(CCFLAGS=["-mios-simulator-version-min=11.0"])
+        env.Append(ASFLAGS=["-mios-simulator-version-min=12.0"])
+        env.Append(CCFLAGS=["-mios-simulator-version-min=12.0"])
         env.extra_suffix = ".simulator" + env.extra_suffix
     else:
         detect_darwin_sdk_path("ios", env)
-        env.Append(ASFLAGS=["-miphoneos-version-min=11.0"])
-        env.Append(CCFLAGS=["-miphoneos-version-min=11.0"])
+        env.Append(ASFLAGS=["-miphoneos-version-min=12.0"])
+        env.Append(CCFLAGS=["-miphoneos-version-min=12.0"])
 
     if env["arch"] == "x86_64":
         if not env["ios_simulator"]:
@@ -154,7 +154,7 @@ def configure(env: "Environment"):
         env.Append(CPPDEFINES=["VULKAN_ENABLED"])
 
     if env["opengl3"]:
-        env.Append(CPPDEFINES=["GLES3_ENABLED"])
+        env.Append(CPPDEFINES=["GLES3_ENABLED", "GLES_SILENCE_DEPRECATION"])
         env.Prepend(
             CPPPATH=[
                 "$IOS_SDK_PATH/System/Library/Frameworks/OpenGLES.framework/Headers",

platform/ios/display_server_ios.mm

@@ -371,19 +371,15 @@ bool DisplayServerIOS::is_dark_mode() const {
 }
 
 Rect2i DisplayServerIOS::get_display_safe_area() const {
-	if (@available(iOS 11, *)) {
-		UIEdgeInsets insets = UIEdgeInsetsZero;
-		UIView *view = AppDelegate.viewController.godotView;
-		if ([view respondsToSelector:@selector(safeAreaInsets)]) {
-			insets = [view safeAreaInsets];
-		}
-		float scale = screen_get_scale();
-		Size2i insets_position = Size2i(insets.left, insets.top) * scale;
-		Size2i insets_size = Size2i(insets.left + insets.right, insets.top + insets.bottom) * scale;
-		return Rect2i(screen_get_position() + insets_position, screen_get_size() - insets_size);
-	} else {
-		return Rect2i(screen_get_position(), screen_get_size());
+	UIEdgeInsets insets = UIEdgeInsetsZero;
+	UIView *view = AppDelegate.viewController.godotView;
+	if ([view respondsToSelector:@selector(safeAreaInsets)]) {
+		insets = [view safeAreaInsets];
 	}
+	float scale = screen_get_scale();
+	Size2i insets_position = Size2i(insets.left, insets.top) * scale;
+	Size2i insets_size = Size2i(insets.left + insets.right, insets.top + insets.bottom) * scale;
+	return Rect2i(screen_get_position() + insets_position, screen_get_size() - insets_size);
 }
 
 int DisplayServerIOS::get_screen_count() const {

platform/ios/godot_view.mm

@@ -82,10 +82,10 @@ static const float earth_gravity = 9.80665;
 		layer = [GodotMetalLayer layer];
 #endif
 	} else if ([driverName isEqualToString:@"opengl3"]) {
-		if (@available(iOS 13, *)) {
-			NSLog(@"OpenGL ES is deprecated on iOS 13");
-		}
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations" // OpenGL is deprecated in iOS 12.0
 		layer = [GodotOpenGLLayer layer];
+#pragma clang diagnostic pop
 	} else {
 		return nil;
 	}

platform/ios/view_controller.mm

@@ -161,9 +161,7 @@
 	[self observeKeyboard];
 	[self displayLoadingOverlay];
 
-	if (@available(iOS 11.0, *)) {
-		[self setNeedsUpdateOfScreenEdgesDeferringSystemGestures];
-	}
+	[self setNeedsUpdateOfScreenEdgesDeferringSystemGestures];
 }
 
 - (void)observeKeyboard {