Flutter Xcode Build Takes Forever After Upgrade: A Solution Guide

Overview

After upgrading to macOS 14.6.1 and updating Flutter to Channel stable 3.24.0, some developers have experienced an issue where the Flutter Xcode build process hangs indefinitely. The build appears to be stuck during the compiling, linking, or signing stages and never completes. This issue can be particularly frustrating, especially when you’re trying to maintain productivity.

Question Asked by: LiveRock
Original Question Link: Stack Overflow

Solution

This problem often arises due to invalid caches or leftover builds that are still present on your system. Fortunately, there’s a straightforward way to resolve this issue by clearing these caches and performing a system restart.

Steps to Resolve:

1. Delete Derived Data:
   • Navigate to the following directory on your Mac:bashCopy code~/Library/Developer/Xcode/DerivedData/
   • Delete this folder to remove all temporary files and caches associated with Xcode. This will help ensure that no old data interferes with the new build process.
2. Clear Developer Cache:
   • Open your Mac’s Settings and go to Storage.
   • Look for any storage allocated to the Developer section and remove any cache present there. This helps in clearing any residual data that might be affecting the build process.
   • Note: If you’re unsure where to find this, a quick search in the macOS storage settings should guide you to the appropriate section.
3. Restart Your Mac:
   • After clearing the caches, it’s important to restart your Mac to ensure all changes take effect properly. Upon reboot, try running the Xcode build again.

Following these steps should resolve the issue and allow your Flutter app to build successfully using Xcode.

Solution Provided by: Abul Kalam Jaan
Original Answer Link: Stack Overflow

Conclusion

If you’re experiencing delays in Xcode builds after updating macOS and Flutter, try clearing the Derived Data and developer caches, followed by a system restart. This solution has proven effective for others facing similar issues and may save you from unnecessary troubleshooting steps.

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