Problem with xcode build take too much time !

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please open an issue at
[github.com/flutter/flutter](https://github.com/flutter/flutter/issues/new).

## Steps to Reproduce

I'm running a new build on iPad Pro 12.9 inch and it's take too much time and until now after 30 minutes I think still processing !!

## Version info

[✓] Flutter (Channel stable, 3.13.4, on macOS 13.5.2 22G91 darwin-x64, locale fr-CH)
• Flutter version 3.13.4 on channel stable at /usr/local/Caskroom/flutter/3.13.3/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 367f9ea16b (33 hours ago), 2023-09-12 23:27:53 -0500
• Engine revision 9064459a8b
• Dart version 3.1.2
• DevTools version 2.25.0

[!] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
• Android SDK at /Users/mickaelborrajo/Library/Android/sdk
• Platform android-34, build-tools 34.0.0
• Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b829.9-10027231)
! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses

[✓] Xcode - develop for iOS and macOS (Xcode 14.3.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 14E300c
• CocoaPods version 1.12.1

[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2022.3)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b829.9-10027231)

[✓] VS Code (version 1.82.1)
• VS Code at /Users/mickaelborrajo/Downloads/Visual Studio Code.app/Contents
• Flutter extension version 3.72.0

[✓] Connected device (5 available)
• iPhone 14 Plus (mobile) • 29B486FE-E8B1-4B82-B3AD-02A606B2FDA1 • ios • com.apple.CoreSimulator.SimRuntime.iOS-16-4 (simulator)
• iPad Pro (12.9-inch) (2nd generation) (mobile) • E2B47E2F-0058-4DE3-B52B-BC98908B5067 • ios • com.apple.CoreSimulator.SimRuntime.iOS-16-4 (simulator)
• iPad Pro (12.9-inch) (6th generation) (mobile) • F3B98746-89E3-4867-9EAC-ABF3E54C4B41 • ios • com.apple.CoreSimulator.SimRuntime.iOS-16-4 (simulator)
• macOS (desktop) • macos • darwin-x64 • macOS 13.5.2 22G91 darwin-x64
• Chrome (web) • chrome • web-javascript • Google Chrome 116.0.5845.187

[✓] Network resources
• All expected network resources are available.

No source file, test, or plugin entry point is named. Start by reproducing the new build for the iPad Pro simulator with Flutter 3.13.4 on macOS 13.5.2 using Xcode 14.3.1, and capture the build output; done means identifying a reproducible cause or providing actionable diagnostic details.

Written by the indexing model from the issue text.