Description

The WorkspaceSettings.xcsettings file is generated with the following entry

<key>BuildSystemType</key>
<string>Original</string>

 

This causes the warning in [Link Removed] which has was closed by suppressing the warning, but Xcode 13 beta 4 no longer seems to allow the legacy build system.

Radar

rdar://problem/78763419

Steps to Reproduce
  1. Download Xcode 13 beta 4 from developer.apple.com/downloads
  2. Rename it to be Xcode_13_beta_4 and move it to Applications
  3. open a terminal and run sudo xcode-select -s /Applications/Xcode_13_beta_4.app/Contents/Developer
  4. Attempt to build UE4

A Legacy Build System error will occur.

 

Note to change back to the regular Xcode in Applications, run the command sudo xcode-select -s /Applications/Xcode.app/Contents/Developer

Have Comments or More Details?

There's no existing public thread on this issue, so head over to AnswerHub just mention UE-120841 in the post.

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Fixed
ComponentUE - Platform - Mac
Affects Versions4.275.0
Target Fix4.27
Fix Commit17049797
Release Commit17049797
CreatedAug 3, 2021
ResolvedAug 4, 2021
UpdatedNov 2, 2021