Flutter Build for macOS is broken after XCode 26.1/26.2 upgrade #178195
Description
Steps to reproduce
clang: error: conflicting deployment targets, both '26.1' and '25.1' are present in environment
Expected results
clang: error: conflicting deployment targets, both '26.1' and '25.1' are present in environment
Actual results
clang: error: conflicting deployment targets, both '26.1' and '25.1' are present in environment
Code sample
Code sample
[Paste your code here]clang: error: conflicting deployment targets, both '26.1' and '25.1' are present in environmentScreenshots or Video
Screenshots / Video demonstration
[Upload media here]
Logs
Logs
[Paste your logs here]Flutter Doctor output
Doctor output
Flutter is already up to date on channel stable
Flutter 3.35.7 • channel stable • https://github.com/flutter/flutter.git
Framework • revision adc9010625 (3 weeks ago) • 2025-10-21 14:16:03 -0400
Engine • hash 6b24e1b529bc46df7ff397667502719a2a8b6b72 (revision 035316565a) (17 days ago) • 2025-10-21
14:28:01.000Z
Tools • Dart 3.9.2 • DevTools 2.48.0```
</details>