Xcode 10+: how to switch to legacy build system?

Clay Bridges picture Clay Bridges · Oct 29, 2018 · Viewed 16.5k times · Source

There seem to be some problems with the new build system in Xcode 10+. How do I switch to the old (legacy) build system?

Answer

Clay Bridges picture Clay Bridges · Oct 29, 2018

You can switch back to the previous (legacy) build system from the menu by File > Workspace Settings... (or Project Settings...):

menu

This brings up a dialog where you can change the Build System to Legacy Build System:

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Hat tip to this answer. There's also a video here.